diff --git a/features/a.yml b/features/a.yml
index 957281de6be..7602ceb3281 100644
--- a/features/a.yml
+++ b/features/a.yml
@@ -4,31 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-a-ele
 group: html-elements
 status:
   compute_from: html.elements.a
-compat_features:
-  - api.HTMLAnchorElement
-  - api.HTMLAnchorElement.hash
-  - api.HTMLAnchorElement.host
-  - api.HTMLAnchorElement.hostname
-  - api.HTMLAnchorElement.href
-  - api.HTMLAnchorElement.hreflang
-  - api.HTMLAnchorElement.origin
-  - api.HTMLAnchorElement.password
-  - api.HTMLAnchorElement.pathname
-  - api.HTMLAnchorElement.port
-  - api.HTMLAnchorElement.protocol
-  - api.HTMLAnchorElement.rel
-  - api.HTMLAnchorElement.relList
-  - api.HTMLAnchorElement.search
-  - api.HTMLAnchorElement.target
-  - api.HTMLAnchorElement.text
-  - api.HTMLAnchorElement.toString
-  - api.HTMLAnchorElement.type
-  - api.HTMLAnchorElement.username
-  - html.elements.a
-  - html.elements.a.href
-  - html.elements.a.hreflang
-  - html.elements.a.rel
-  - html.elements.a.rel.noopener
-  - html.elements.a.rel.noreferrer
-  - html.elements.a.target
-  - html.elements.a.type
diff --git a/features/abbr.yml b/features/abbr.yml
index 850d76df849..69bcf12aec1 100644
--- a/features/abbr.yml
+++ b/features/abbr.yml
@@ -2,5 +2,3 @@ name: <abbr>
 description: The `<abbr>` HTML element represents an abbreviation or acronym.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-abbr-element
 group: html-elements
-compat_features:
-  - html.elements.abbr
diff --git a/features/aborting.yml b/features/aborting.yml
index db91b7bc9d6..9db74a8dfab 100644
--- a/features/aborting.yml
+++ b/features/aborting.yml
@@ -4,16 +4,3 @@ spec: https://dom.spec.whatwg.org/#aborting-ongoing-activities
 caniuse: abortcontroller
 status:
   compute_from: api.AbortController
-compat_features:
-  - api.AbortController
-  - api.AbortController.AbortController
-  - api.AbortController.abort
-  - api.AbortController.signal
-  - api.AbortSignal
-  - api.AbortSignal.abort_event
-  - api.AbortSignal.abort_static
-  - api.AbortSignal.abort_static.reason_parameter
-  - api.AbortSignal.aborted
-  - api.AbortSignal.reason
-  - api.AbortSignal.throwIfAborted
-  - api.AbortSignal.timeout_static
diff --git a/features/address.yml b/features/address.yml
index acf75e7d19f..0c62efa7033 100644
--- a/features/address.yml
+++ b/features/address.yml
@@ -2,5 +2,3 @@ name: <address>
 description: The `<address>` element represents contact information for a person or people, or for an organization.
 spec: https://html.spec.whatwg.org/multipage/sections.html#the-address-element
 group: html-elements
-compat_features:
-  - html.elements.address
diff --git a/features/alt-text-generated-content.yml b/features/alt-text-generated-content.yml
index 974edf5aa89..9a97edacec1 100644
--- a/features/alt-text-generated-content.yml
+++ b/features/alt-text-generated-content.yml
@@ -2,5 +2,3 @@ name: Alt text for generated content
 description: "The `/` notation in `content` CSS property values adds alternative text to generated content. For example, the `content: url('upvote-icon.svg') / 'Upvote'` declaration adds accessible 'Upvote' text to the SVG icon. Also known as alternate text."
 spec: https://drafts.csswg.org/css-content-3/#alt
 group: css
-compat_features:
-  - css.properties.content.alt_text
diff --git a/features/article.yml b/features/article.yml
index 5fac9bb3c4a..0696a5c3911 100644
--- a/features/article.yml
+++ b/features/article.yml
@@ -4,5 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/sections.html#the-article-element
 group: html-elements
 # Note: <article> is part of https://caniuse.com/html5semantic but that feature
 # covers many unrelated elements and is therefore not linked here.
-compat_features:
-  - html.elements.article
diff --git a/features/aside.yml b/features/aside.yml
index 3e0fb530377..91b54328564 100644
--- a/features/aside.yml
+++ b/features/aside.yml
@@ -4,5 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/sections.html#the-aside-element
 group: html-elements
 # Note: <aside> is part of https://caniuse.com/html5semantic but that feature
 # covers many unrelated elements and is therefore not linked here.
-compat_features:
-  - html.elements.aside
diff --git a/features/async-iterable-streams.yml b/features/async-iterable-streams.yml
index 84dfcc1293e..6a35abe5b98 100644
--- a/features/async-iterable-streams.yml
+++ b/features/async-iterable-streams.yml
@@ -2,5 +2,3 @@ name: Asynchronously iterable streams
 description: Asynchronous iteration of a stream allows you to use `for await … of` loops to iterate through a stream's incoming data.
 spec: https://streams.spec.whatwg.org/#rs-asynciterator
 group: streams
-compat_features:
-  - api.ReadableStream.@@asyncIterator
diff --git a/features/atomics-wait-async.yml b/features/atomics-wait-async.yml
index f8557719d3d..8f83380b7ef 100644
--- a/features/atomics-wait-async.yml
+++ b/features/atomics-wait-async.yml
@@ -2,5 +2,3 @@ name: Atomics.waitAsync
 description: The `Atomics.waitAsync()` static method waits for a value in a shared memory location, providing a promise when the expected value is not yet in memory. The `waitAsync()` method is a non-blocking alternative to `Atomics.wait()`.
 spec: https://tc39.es/ecma262/multipage/structured-data.html#sec-atomics.waitasync
 group: javascript
-compat_features:
-  - javascript.builtins.Atomics.waitAsync
diff --git a/features/audio-worklet.yml b/features/audio-worklet.yml
index 25c69ef564b..75152e81377 100644
--- a/features/audio-worklet.yml
+++ b/features/audio-worklet.yml
@@ -2,19 +2,3 @@ name: AudioWorklet
 description: The `AudioWorklet` API runs module code in a separate thread, specifically for non-blocking, low latency audio processing.
 spec: https://webaudio.github.io/web-audio-api/#AudioWorklet
 group: web-audio
-compat_features:
-  - api.AudioWorklet
-  - api.AudioWorkletGlobalScope
-  - api.AudioWorkletGlobalScope.currentFrame
-  - api.AudioWorkletGlobalScope.currentTime
-  - api.AudioWorkletGlobalScope.registerProcessor
-  - api.AudioWorkletGlobalScope.sampleRate
-  - api.AudioWorkletNode
-  - api.AudioWorkletNode.AudioWorkletNode
-  - api.AudioWorkletNode.parameters
-  - api.AudioWorkletNode.port
-  - api.AudioWorkletNode.processorerror_event
-  - api.AudioWorkletProcessor
-  - api.AudioWorkletProcessor.AudioWorkletProcessor
-  - api.AudioWorkletProcessor.port
-  - api.BaseAudioContext.audioWorklet
diff --git a/features/audio.yml b/features/audio.yml
index 7feaaab5aaf..f6acc19e7e8 100644
--- a/features/audio.yml
+++ b/features/audio.yml
@@ -9,14 +9,3 @@ status:
   compute_from: html.elements.audio
 # TODO: Include relevant parts of HTMLMediaElement when possible:
 # https://github.com/web-platform-dx/web-features/issues/1173
-compat_features:
-  - api.HTMLAudioElement
-  - api.HTMLAudioElement.Audio
-  - html.elements.audio
-  - html.elements.audio.autoplay
-  - html.elements.audio.controls
-  - html.elements.audio.crossorigin
-  - html.elements.audio.loop
-  - html.elements.audio.muted
-  - html.elements.audio.preload
-  - html.elements.audio.src
diff --git a/features/b.yml b/features/b.yml
index 1b13a8f5b0b..e9b73669463 100644
--- a/features/b.yml
+++ b/features/b.yml
@@ -2,5 +2,3 @@ name: <b>
 description: The `<b>` HTML element draws reader's attention to text, styling text as bold by default.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-b-element
 group: html-elements
-compat_features:
-  - html.elements.b
diff --git a/features/base.yml b/features/base.yml
index 014de45c933..f15ac1786ac 100644
--- a/features/base.yml
+++ b/features/base.yml
@@ -4,12 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/semantics.html#the-base-element
 group: html-elements
 status:
   compute_from: html.elements.base
-compat_features:
-  - api.HTMLBaseElement
-  - api.HTMLBaseElement.href
-  - api.HTMLBaseElement.target
-  - html.elements.base
-  - html.elements.base.href
-  - html.elements.base.href.forbid_data_javascript_urls
-  - html.elements.base.href.relative_url
-  - html.elements.base.target
diff --git a/features/bdi.yml b/features/bdi.yml
index e7ea5fe06c6..ceeb129b8b7 100644
--- a/features/bdi.yml
+++ b/features/bdi.yml
@@ -2,5 +2,3 @@ name: <bdi>
 description: The `<bdi>` element isolates text that may have a different text direction from its surrounding text. This prevents the browser's bidirectional text algorithm from affecting or being affected by the direction of the surrounding text.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-bdi-element
 group: html-elements
-compat_features:
-  - html.elements.bdi
diff --git a/features/bdo.yml b/features/bdo.yml
index bcf3bc338bd..bbd1d55c535 100644
--- a/features/bdo.yml
+++ b/features/bdo.yml
@@ -2,5 +2,3 @@ name: <bdo>
 description: The `<bdo>` element overrides the directionality of text, so that the text within is rendered in a different direction than the surrounding text.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-bdo-element
 group: html-elements
-compat_features:
-  - html.elements.bdo
diff --git a/features/blockquote.yml b/features/blockquote.yml
index a0e4e832d67..5491f5eeb0a 100644
--- a/features/blockquote.yml
+++ b/features/blockquote.yml
@@ -2,6 +2,3 @@ name: <blockquote>
 description: The `<blockquote>` element represents an extended quotation, styling contents as an indented block by default.
 spec: https://html.spec.whatwg.org/multipage/grouping-content.html#the-blockquote-element
 group: html-elements
-compat_features:
-  - html.elements.blockquote
-  - html.elements.blockquote.cite
diff --git a/features/body.yml b/features/body.yml
index 82d7d781bb7..15751e87249 100644
--- a/features/body.yml
+++ b/features/body.yml
@@ -2,6 +2,3 @@ name: <body>
 description: The `<body>` element represents the content of an HTML document.
 spec: https://html.spec.whatwg.org/multipage/sections.html#the-body-element
 group: html-elements
-compat_features:
-  - api.HTMLBodyElement
-  - html.elements.body
diff --git a/features/br.yml b/features/br.yml
index 89c6e701c36..8ff8c46388c 100644
--- a/features/br.yml
+++ b/features/br.yml
@@ -2,6 +2,3 @@ name: <br>
 description: The `<br>` element produces line breaks in text.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-br-element
 group: html-elements
-compat_features:
-  - api.HTMLBRElement
-  - html.elements.br
diff --git a/features/button.yml b/features/button.yml
index 464c3778ff7..8eb986f0b63 100644
--- a/features/button.yml
+++ b/features/button.yml
@@ -6,27 +6,3 @@ group:
   - html-elements
 status:
   compute_from: html.elements.button
-compat_features:
-  - api.HTMLButtonElement
-  - api.HTMLButtonElement.disabled
-  - api.HTMLButtonElement.form
-  - api.HTMLButtonElement.formAction
-  - api.HTMLButtonElement.formEnctype
-  - api.HTMLButtonElement.formMethod
-  - api.HTMLButtonElement.formNoValidate
-  - api.HTMLButtonElement.formTarget
-  - api.HTMLButtonElement.labels
-  - api.HTMLButtonElement.name
-  - api.HTMLButtonElement.type
-  - api.HTMLButtonElement.value
-  - html.elements.button
-  - html.elements.button.disabled
-  - html.elements.button.form
-  - html.elements.button.formaction
-  - html.elements.button.formenctype
-  - html.elements.button.formmethod
-  - html.elements.button.formnovalidate
-  - html.elements.button.formtarget
-  - html.elements.button.name
-  - html.elements.button.type
-  - html.elements.button.value
diff --git a/features/canvas-2d-alpha.yml b/features/canvas-2d-alpha.yml
index 19d06197463..8e567d21053 100644
--- a/features/canvas-2d-alpha.yml
+++ b/features/canvas-2d-alpha.yml
@@ -2,5 +2,3 @@ name: 2D canvas opacity
 description: The optional `alpha` parameter of a 2D canvas's `getContext()` method sets whether the canvas has an alpha transparency channel. If set to `false`, then this permits the browser to optimize compositing for an opaque canvas.
 spec: https://html.spec.whatwg.org/multipage/canvas.html#concept-canvas-alpha
 group: canvas
-compat_features:
-  - api.HTMLCanvasElement.getContext.2d_context.options_alpha_parameter
diff --git a/features/canvas-2d-color-management.yml b/features/canvas-2d-color-management.yml
index 2c765ee4720..489b5756ff1 100644
--- a/features/canvas-2d-color-management.yml
+++ b/features/canvas-2d-color-management.yml
@@ -2,5 +2,3 @@ name: Color management for 2D canvas
 description: The optional `colorSpace` parameter of a 2D canvas's `getContext()` method chooses the color representation, such as `"srgb"` or `"display-p3"`.
 spec: https://html.spec.whatwg.org/multipage/canvas.html#concept-canvas-color-space
 group: canvas
-compat_features:
-  - api.HTMLCanvasElement.getContext.2d_context.options_colorSpace_parameter
diff --git a/features/canvas-2d-desynchronized.yml b/features/canvas-2d-desynchronized.yml
index 5cbf8443273..af7c02f2233 100644
--- a/features/canvas-2d-desynchronized.yml
+++ b/features/canvas-2d-desynchronized.yml
@@ -2,5 +2,3 @@ name: Desynchronized 2D canvas
 description: The optional `desynchronized` parameter of a canvas's `getContext()` method permits the browser to draw a 2D canvas independently of the event loop. This can reduce drawing latency.
 spec: https://html.spec.whatwg.org/multipage/canvas.html#concept-canvas-desynchronized
 group: canvas
-compat_features:
-  - api.HTMLCanvasElement.getContext.2d_context.options_desynchronized_parameter
diff --git a/features/canvas-2d-willreadfrequently.yml b/features/canvas-2d-willreadfrequently.yml
index 278be97bebb..821f10d3f42 100644
--- a/features/canvas-2d-willreadfrequently.yml
+++ b/features/canvas-2d-willreadfrequently.yml
@@ -2,5 +2,3 @@ name: willReadFrequently
 description: The optional `willReadFrequently` parameter of a canvas's `getContext()` method permits the browser to optimize for frequent `getImageData()` calls by avoiding hardware acceleration. Also known as multiple readback.
 spec: https://html.spec.whatwg.org/multipage/canvas.html#concept-canvas-will-read-frequently
 group: canvas
-compat_features:
-  - api.HTMLCanvasElement.getContext.2d_context.options_willReadFrequently_parameter
diff --git a/features/canvas.yml b/features/canvas.yml
index 3e22db4f252..1ca94700085 100644
--- a/features/canvas.yml
+++ b/features/canvas.yml
@@ -8,13 +8,3 @@ group:
 # rendering context. These are separated in web-features, so no caniuse link here.
 status:
   compute_from: html.elements.canvas
-compat_features:
-  - api.HTMLCanvasElement
-  - api.HTMLCanvasElement.getContext
-  - api.HTMLCanvasElement.height
-  - api.HTMLCanvasElement.toBlob
-  - api.HTMLCanvasElement.toDataURL
-  - api.HTMLCanvasElement.width
-  - html.elements.canvas
-  - html.elements.canvas.height
-  - html.elements.canvas.width
diff --git a/features/caret-color.yml b/features/caret-color.yml
index 2f6b9502494..1b7942974ae 100644
--- a/features/caret-color.yml
+++ b/features/caret-color.yml
@@ -3,5 +3,3 @@ description: The `caret-color` CSS property sets the color of the text insertion
 spec: https://drafts.csswg.org/css-ui-4/#insertion-caret
 group: css
 caniuse: css-caret-color
-compat_features:
-  - css.properties.caret-color
diff --git a/features/cite.yml b/features/cite.yml
index 29339705c4b..e861bd77e97 100644
--- a/features/cite.yml
+++ b/features/cite.yml
@@ -2,5 +2,3 @@ name: <cite>
 description: The `<cite>` element represents the title of a quoted, referenced, or mentioned creative work, such as a film or book.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-cite-element
 group: html-elements
-compat_features:
-  - html.elements.cite
diff --git a/features/clipboard-events.yml b/features/clipboard-events.yml
index 1f2de916147..10859479332 100644
--- a/features/clipboard-events.yml
+++ b/features/clipboard-events.yml
@@ -4,10 +4,3 @@ spec: https://w3c.github.io/clipboard-apis/#clipboard-event-interfaces
 group: clipboard
 status:
   compute_from: api.ClipboardEvent
-compat_features:
-  - api.ClipboardEvent
-  - api.ClipboardEvent.ClipboardEvent
-  - api.ClipboardEvent.clipboardData
-  - api.Element.copy_event
-  - api.Element.cut_event
-  - api.Element.paste_event
diff --git a/features/clipboard-unsanitized-formats.yml b/features/clipboard-unsanitized-formats.yml
index d79d87981b7..a33716c0263 100644
--- a/features/clipboard-unsanitized-formats.yml
+++ b/features/clipboard-unsanitized-formats.yml
@@ -2,5 +2,3 @@ name: Read unsanitized clipboard data
 description: The optional `formats.unsanitized` parameter of the `navigator.clipboard.read()` method reads unsanitized `text/html` data from the system clipboard.
 spec: https://w3c.github.io/clipboard-apis/#dom-clipboardunsanitizedformats-unsanitized
 group: clipboard
-compat_features:
-  - api.Clipboard.read.formats_unsanitized_parameter
diff --git a/features/code.yml b/features/code.yml
index a2c1134fa27..6042fd0c584 100644
--- a/features/code.yml
+++ b/features/code.yml
@@ -2,5 +2,3 @@ name: <code>
 description: The `<code>` element displays its contents as a fragment of computer code.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-code-element
 group: html-elements
-compat_features:
-  - html.elements.code
diff --git a/features/constructed-stylesheets.yml b/features/constructed-stylesheets.yml
index 9b4e215c18b..74cf1b416a4 100644
--- a/features/constructed-stylesheets.yml
+++ b/features/constructed-stylesheets.yml
@@ -3,12 +3,3 @@ description: The `CSSStyleSheet` constructor creates a new stylesheet which can
 spec:
   - https://drafts.csswg.org/cssom-1/#dom-cssstylesheet-cssstylesheet
   - https://drafts.csswg.org/cssom-1/#dom-documentorshadowroot-adoptedstylesheets
-status:
-  compute_from: api.CSSStyleSheet.CSSStyleSheet
-compat_features:
-  - api.CSSStyleSheet.CSSStyleSheet
-  - api.CSSStyleSheet.replace
-  - api.CSSStyleSheet.replaceSync
-  - api.Document.adoptedStyleSheets
-  - api.ShadowRoot.adoptedStyleSheets
-  - api.CSSStyleSheet.CSSStyleSheet.options_baseURL_parameter
diff --git a/features/constructed-stylesheets.yml.dist b/features/constructed-stylesheets.yml.dist
index 409e06cf9c0..8a2ed8a193e 100644
--- a/features/constructed-stylesheets.yml.dist
+++ b/features/constructed-stylesheets.yml.dist
@@ -2,18 +2,13 @@
 # Do not edit this file by hand. Edit the source file instead!
 
 status:
-  baseline: low
-  baseline_low_date: 2023-03-27
+  baseline: false
   support:
-    chrome: "73"
-    chrome_android: "73"
-    edge: "79"
     firefox: "101"
     firefox_android: "101"
     safari: "16.4"
     safari_ios: "16.4"
 compat_features:
-  # ⬇️ Same status as overall feature ⬇️
   # baseline: low
   # baseline_low_date: 2023-03-27
   # support:
@@ -30,6 +25,7 @@ compat_features:
   - api.Document.adoptedStyleSheets
   - api.ShadowRoot.adoptedStyleSheets
 
+  # ⬇️ Same status as overall feature ⬇️
   # baseline: false
   # support:
   #   firefox: "101"
diff --git a/features/contact-picker.yml b/features/contact-picker.yml
index 0d34fbb21ce..f55414d5956 100644
--- a/features/contact-picker.yml
+++ b/features/contact-picker.yml
@@ -5,20 +5,3 @@ status:
   # This makes the feature be supported starting with Chrome 80, which is in line with what MDN documents.
   # See https://github.com/web-platform-dx/web-features/pull/1326 for more information.
   compute_from: api.Navigator.contacts
-compat_features:
-  - api.Navigator.contacts
-  - api.ContactsManager
-  - api.ContactsManager.getProperties
-  - api.ContactsManager.select
-  - api.ContactAddress
-  - api.ContactAddress.addressLine
-  - api.ContactAddress.city
-  - api.ContactAddress.country
-  - api.ContactAddress.dependentLocality
-  - api.ContactAddress.organization
-  - api.ContactAddress.phone
-  - api.ContactAddress.postalCode
-  - api.ContactAddress.recipient
-  - api.ContactAddress.region
-  - api.ContactAddress.sortingCode
-  - api.ContactAddress.toJSON
diff --git a/features/contain-inline-size.yml b/features/contain-inline-size.yml
index df3e0e07ff9..5cc3109151e 100644
--- a/features/contain-inline-size.yml
+++ b/features/contain-inline-size.yml
@@ -2,5 +2,3 @@ name: Inline-size containment
 description: "The `contain: inline-size` CSS declaration prevents the element's inline dimension from being set by the element's contents. This permits the browser to avoid slower layout calculations."
 spec: https://drafts.csswg.org/css-contain-3/#containment-inline-size
 group: containment
-compat_features:
-  - css.properties.contain.inline-size
diff --git a/features/contain-layout.yml b/features/contain-layout.yml
index 4a662d76c04..4dfaf684f74 100644
--- a/features/contain-layout.yml
+++ b/features/contain-layout.yml
@@ -2,5 +2,3 @@ name: Layout containment
 description: "The `contain: layout` CSS declaration isolates the inside of an element such that it cannot affect the layout of the rest of the page or be affected by the rest of the page. This permits the browser to avoid slower layout calculations."
 spec: https://drafts.csswg.org/css-contain-2/#containment-layout
 group: containment
-compat_features:
-  - css.properties.contain.layout
diff --git a/features/contain-paint.yml b/features/contain-paint.yml
index 1174484755d..54782ea1677 100644
--- a/features/contain-paint.yml
+++ b/features/contain-paint.yml
@@ -2,5 +2,3 @@ name: Paint containment
 description: "The `contain: paint` CSS declaration prevents an element's descendants from being drawn outside the boundaries of the containing element, with any overflow clipped. This permits the browser to avoid slower painting calculations."
 spec: https://drafts.csswg.org/css-contain-2/#containment-paint
 group: containment
-compat_features:
-  - css.properties.contain.paint
diff --git a/features/contain-size.yml b/features/contain-size.yml
index 28e93cd3e3d..716a0337f1d 100644
--- a/features/contain-size.yml
+++ b/features/contain-size.yml
@@ -2,6 +2,3 @@ name: Size containment
 description: "The `contain: size` CSS declaration sets an element's dimensions exclusively by its `height` and `width` properties, ignoring its contents and descendants. This permits the browser to avoid slower layout calculations."
 spec: https://drafts.csswg.org/css-contain-2/#containment-size
 group: containment
-compat_features:
-  - css.properties.contain
-  - css.properties.contain.size
diff --git a/features/contain-style.yml b/features/contain-style.yml
index ee54f695290..47cec8b5bff 100644
--- a/features/contain-style.yml
+++ b/features/contain-style.yml
@@ -2,5 +2,3 @@ name: Style containment
 description: "The `contain: style` CSS declaration permits the browser to avoid slower layout calculations by preventing modification to counter (`counter-increment` and `counter-set`) and quotation styles (`content` property quote values) beyond the element's descendants."
 spec: https://drafts.csswg.org/css-contain-2/#containment-style
 group: containment
-compat_features:
-  - css.properties.contain.style
diff --git a/features/container-queries.yml b/features/container-queries.yml
index 1eda3e7a921..2ed77428b29 100644
--- a/features/container-queries.yml
+++ b/features/container-queries.yml
@@ -5,16 +5,3 @@ group: containment
 caniuse: css-container-queries
 status:
   compute_from: css.at-rules.container
-compat_features:
-  - api.CSSContainerRule
-  - api.CSSContainerRule.containerName
-  - api.CSSContainerRule.containerQuery
-  - css.at-rules.container
-  - css.properties.container
-  - css.properties.container-name
-  - css.properties.container-name.none
-  - css.properties.container-type
-  - css.properties.container-type.inline-size
-  - css.properties.container-type.normal
-  - css.properties.container-type.size
-  - css.types.length.container_query_length_units
diff --git a/features/counter-style.yml b/features/counter-style.yml
index 1f22f0f5a58..5e4455090d1 100644
--- a/features/counter-style.yml
+++ b/features/counter-style.yml
@@ -5,27 +5,3 @@ group: counters
 caniuse: css-at-counter-style
 status:
   compute_from: css.at-rules.counter-style
-compat_features:
-  - css.at-rules.counter-style
-  - css.at-rules.counter-style.additive-symbols
-  - css.at-rules.counter-style.fallback
-  - css.at-rules.counter-style.negative
-  - css.at-rules.counter-style.pad
-  - css.at-rules.counter-style.prefix
-  - css.at-rules.counter-style.range
-  - css.at-rules.counter-style.suffix
-  - css.at-rules.counter-style.system
-  - api.CSSCounterStyleRule
-  - api.CSSCounterStyleRule.additiveSymbols
-  - api.CSSCounterStyleRule.fallback
-  - api.CSSCounterStyleRule.name
-  - api.CSSCounterStyleRule.negative
-  - api.CSSCounterStyleRule.pad
-  - api.CSSCounterStyleRule.prefix
-  - api.CSSCounterStyleRule.range
-  - api.CSSCounterStyleRule.system
-  - api.CSSCounterStyleRule.suffix
-  - css.at-rules.counter-style.symbols
-  - api.CSSCounterStyleRule.symbols
-  - css.at-rules.counter-style.speak-as
-  - api.CSSCounterStyleRule.speakAs
diff --git a/features/currentcolor.yml b/features/currentcolor.yml
index 06d547ae9c5..bc39e8a74c0 100644
--- a/features/currentcolor.yml
+++ b/features/currentcolor.yml
@@ -3,5 +3,3 @@ description: The `currentColor` CSS value allows you to reuse an element's compu
 spec: https://drafts.csswg.org/css-color-3/#currentcolor
 caniuse: currentcolor
 group: color-types
-compat_features:
-  - css.types.color.currentcolor
diff --git a/features/data.yml b/features/data.yml
index a892d0af838..55e2ddde73c 100644
--- a/features/data.yml
+++ b/features/data.yml
@@ -2,8 +2,3 @@ name: <data>
 description: The `<data>` element links a given piece of content with a machine-readable translation.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-data-element
 group: html-elements
-compat_features:
-  - api.HTMLDataElement
-  - api.HTMLDataElement.value
-  - html.elements.data
-  - html.elements.data.value
diff --git a/features/date.yml b/features/date.yml
index dc69c51a1bb..99febb79784 100644
--- a/features/date.yml
+++ b/features/date.yml
@@ -4,52 +4,3 @@ spec: https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-date-objects
 group: primitive-types
 status:
   compute_from: javascript.builtins.Date
-compat_features:
-  - javascript.builtins.Date
-  - javascript.builtins.Date.Date
-  - javascript.builtins.Date.UTC
-  - javascript.builtins.Date.UTC.optional_monthIndex
-  - javascript.builtins.Date.getDate
-  - javascript.builtins.Date.getDay
-  - javascript.builtins.Date.getFullYear
-  - javascript.builtins.Date.getHours
-  - javascript.builtins.Date.getMilliseconds
-  - javascript.builtins.Date.getMinutes
-  - javascript.builtins.Date.getMonth
-  - javascript.builtins.Date.getSeconds
-  - javascript.builtins.Date.getTime
-  - javascript.builtins.Date.getTimezoneOffset
-  - javascript.builtins.Date.getUTCDate
-  - javascript.builtins.Date.getUTCDay
-  - javascript.builtins.Date.getUTCFullYear
-  - javascript.builtins.Date.getUTCHours
-  - javascript.builtins.Date.getUTCMilliseconds
-  - javascript.builtins.Date.getUTCMinutes
-  - javascript.builtins.Date.getUTCMonth
-  - javascript.builtins.Date.getUTCSeconds
-  - javascript.builtins.Date.now
-  - javascript.builtins.Date.parse
-  - javascript.builtins.Date.parse.iso_8601
-  - javascript.builtins.Date.setDate
-  - javascript.builtins.Date.setFullYear
-  - javascript.builtins.Date.setHours
-  - javascript.builtins.Date.setMilliseconds
-  - javascript.builtins.Date.setMinutes
-  - javascript.builtins.Date.setMonth
-  - javascript.builtins.Date.setSeconds
-  - javascript.builtins.Date.setTime
-  - javascript.builtins.Date.setUTCDate
-  - javascript.builtins.Date.setUTCFullYear
-  - javascript.builtins.Date.setUTCHours
-  - javascript.builtins.Date.setUTCMilliseconds
-  - javascript.builtins.Date.setUTCMinutes
-  - javascript.builtins.Date.setUTCMonth
-  - javascript.builtins.Date.setUTCSeconds
-  - javascript.builtins.Date.toDateString
-  - javascript.builtins.Date.toISOString
-  - javascript.builtins.Date.toJSON
-  - javascript.builtins.Date.toString
-  - javascript.builtins.Date.toTimeString
-  - javascript.builtins.Date.toUTCString
-  - javascript.builtins.Date.valueOf
-  - javascript.builtins.Date.@@toPrimitive
diff --git a/features/del.yml b/features/del.yml
index d82c94542f2..e33a527dd6e 100644
--- a/features/del.yml
+++ b/features/del.yml
@@ -2,10 +2,3 @@ name: <del>
 description: The `<del>` element element represents a range of text that has been deleted from a document, styling text as strikethrough by default.
 spec: https://html.spec.whatwg.org/multipage/edits.html#the-del-element
 group: html-elements
-compat_features:
-  - api.HTMLModElement
-  - api.HTMLModElement.cite
-  - api.HTMLModElement.dateTime
-  - html.elements.del
-  - html.elements.del.cite
-  - html.elements.del.datetime
diff --git a/features/dfn.yml b/features/dfn.yml
index df19636d7fb..8d9a857331e 100644
--- a/features/dfn.yml
+++ b/features/dfn.yml
@@ -2,5 +2,3 @@ name: <dfn>
 description: The `<dfn>` element marks a term to be defined, styling text as italic by default.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-dfn-element
 group: html-elements
-compat_features:
-  - html.elements.dfn
diff --git a/features/div.yml b/features/div.yml
index f8f18a3d640..e8cde5559d8 100644
--- a/features/div.yml
+++ b/features/div.yml
@@ -4,6 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/grouping-content.html#the-div-eleme
 group: html-elements
 status:
   compute_from: html.elements.div
-compat_features:
-  - api.HTMLDivElement
-  - html.elements.div
diff --git a/features/em.yml b/features/em.yml
index f315d8f8e51..efe14c71ead 100644
--- a/features/em.yml
+++ b/features/em.yml
@@ -2,5 +2,3 @@ name: <em>
 description: The `<em>` HTML element emphasizes or stresses the content, styling text as italic by default.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-em-element
 group: html-elements
-compat_features:
-  - html.elements.em
diff --git a/features/embed.yml b/features/embed.yml
index eca7ab44ccd..8b0cf0480d3 100644
--- a/features/embed.yml
+++ b/features/embed.yml
@@ -4,15 +4,3 @@ spec:
   - https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-embed-element
   - https://html.spec.whatwg.org/multipage/obsolete.html#noembed
 group: html-elements
-compat_features:
-  - api.HTMLEmbedElement
-  - api.HTMLEmbedElement.getSVGDocument
-  - api.HTMLEmbedElement.height
-  - api.HTMLEmbedElement.src
-  - api.HTMLEmbedElement.type
-  - api.HTMLEmbedElement.width
-  - html.elements.embed
-  - html.elements.embed.height
-  - html.elements.embed.src
-  - html.elements.embed.type
-  - html.elements.embed.width
diff --git a/features/federated-credentials.yml b/features/federated-credentials.yml
index a04a73203cd..b9fb53bc5ed 100644
--- a/features/federated-credentials.yml
+++ b/features/federated-credentials.yml
@@ -2,10 +2,3 @@ name: Federated credentials
 description: The `FederatedCredential` API represents the details required to authenticate a user using a third-party identity provider. Not to be confused with federated credential management (FedCM).
 spec: https://w3c.github.io/webappsec-credential-management/#federated
 group: credential-management
-compat_features:
-  - api.FederatedCredential
-  - api.FederatedCredential.FederatedCredential
-  - api.FederatedCredential.iconURL
-  - api.FederatedCredential.name
-  - api.FederatedCredential.protocol
-  - api.FederatedCredential.provider
diff --git a/features/fieldset.yml b/features/fieldset.yml
index 4d1e3d40ae1..e293fb01f3d 100644
--- a/features/fieldset.yml
+++ b/features/fieldset.yml
@@ -10,18 +10,3 @@ status:
   compute_from:
     - html.elements.fieldset
     - html.elements.legend
-compat_features:
-  - api.HTMLFieldSetElement
-  - api.HTMLFieldSetElement.disabled
-  - api.HTMLFieldSetElement.elements
-  - api.HTMLFieldSetElement.elements.type_HTMLCollection
-  - api.HTMLFieldSetElement.form
-  - api.HTMLFieldSetElement.name
-  - api.HTMLFieldSetElement.type
-  - api.HTMLLegendElement
-  - api.HTMLLegendElement.form
-  - html.elements.fieldset
-  - html.elements.fieldset.disabled
-  - html.elements.fieldset.form
-  - html.elements.fieldset.name
-  - html.elements.legend
diff --git a/features/figure.yml b/features/figure.yml
index f43b54c3835..7e16faebbaa 100644
--- a/features/figure.yml
+++ b/features/figure.yml
@@ -6,6 +6,3 @@ spec:
 group: html-elements
 # Note: <figure> and <figcaption> are part of https://caniuse.com/html5semantic
 # but that covers many unrelated elements and is therefore not linked here.
-compat_features:
-  - html.elements.figcaption
-  - html.elements.figure
diff --git a/features/font-display.yml b/features/font-display.yml
index 0a846c218d6..8bcecb56c6c 100644
--- a/features/font-display.yml
+++ b/features/font-display.yml
@@ -3,5 +3,3 @@ description: The `font-display` CSS descriptor sets whether to show a substitute
 spec: https://drafts.csswg.org/css-fonts-4/#font-display-desc
 caniuse: css-font-rendering-controls
 group: fonts
-compat_features:
-  - css.at-rules.font-face.font-display
diff --git a/features/font-face.yml b/features/font-face.yml
index 6540dcc2699..1881b0812ab 100644
--- a/features/font-face.yml
+++ b/features/font-face.yml
@@ -5,12 +5,3 @@ group: fonts
 caniuse:
   - fontface
   - font-unicode-range
-compat_features:
-  - css.at-rules.font-face
-  - css.at-rules.font-face.font-family
-  - css.at-rules.font-face.src
-  - css.at-rules.font-face.WOFF
-  - css.at-rules.font-face.WOFF_2
-  - api.CSSFontFaceRule
-  - api.CSSFontFaceRule.style
-  - css.at-rules.font-face.unicode-range
diff --git a/features/font-feature-settings.yml b/features/font-feature-settings.yml
index 6e233dd76d8..b1265742f5c 100644
--- a/features/font-feature-settings.yml
+++ b/features/font-feature-settings.yml
@@ -5,7 +5,3 @@ group: font-features
 caniuse: font-feature
 status:
   compute_from: css.properties.font-feature-settings
-compat_features:
-  - css.properties.font-feature-settings
-  - css.properties.font-feature-settings.normal
-  - css.at-rules.font-face.font-feature-settings
diff --git a/features/font-kerning.yml b/features/font-kerning.yml
index 3b089a4fdc1..556e45e310e 100644
--- a/features/font-kerning.yml
+++ b/features/font-kerning.yml
@@ -2,5 +2,3 @@ name: font-kerning
 description: The `font-kerning` CSS property sets whether kerning data from a font is used to adjust the space between letters.
 spec: https://drafts.csswg.org/css-fonts-4/#font-kerning-prop
 group: font-features
-compat_features:
-  - css.properties.font-kerning
diff --git a/features/font-language-override.yml b/features/font-language-override.yml
index a6bf9cc21dd..330f8053a23 100644
--- a/features/font-language-override.yml
+++ b/features/font-language-override.yml
@@ -2,5 +2,3 @@ name: font-language-override
 description: The `font-language-override` CSS property sets which language-specific glyphs are displayed.
 spec: https://drafts.csswg.org/css-fonts-4/#font-language-override-prop
 group: font-features
-compat_features:
-  - css.properties.font-language-override
diff --git a/features/font-optical-sizing.yml b/features/font-optical-sizing.yml
index f99cc416aff..a0a792da696 100644
--- a/features/font-optical-sizing.yml
+++ b/features/font-optical-sizing.yml
@@ -2,7 +2,3 @@ name: font-optical-sizing
 description: The `font-optical-sizing` CSS property sets whether text rendering is optimized for viewing at different sizes.
 spec: https://drafts.csswg.org/css-fonts-4/#font-optical-sizing-def
 group: fonts
-compat_features:
-  - css.properties.font-optical-sizing
-  - css.properties.font-optical-sizing.auto
-  - css.properties.font-optical-sizing.none
diff --git a/features/font-palette.yml b/features/font-palette.yml
index 74bdf080122..9d94fd03a4b 100644
--- a/features/font-palette.yml
+++ b/features/font-palette.yml
@@ -5,17 +5,3 @@ spec:
   - https://drafts.csswg.org/css-fonts-4/#font-palette-values
 group: fonts
 caniuse: css-font-palette
-compat_features:
-  - api.CSSFontPaletteValuesRule
-  - api.CSSFontPaletteValuesRule.basePalette
-  - api.CSSFontPaletteValuesRule.fontFamily
-  - api.CSSFontPaletteValuesRule.name
-  - api.CSSFontPaletteValuesRule.overrideColors
-  - css.at-rules.font-palette-values
-  - css.at-rules.font-palette-values.base-palette
-  - css.at-rules.font-palette-values.font-family
-  - css.at-rules.font-palette-values.override-colors
-  - css.properties.font-palette
-  - css.properties.font-palette.dark
-  - css.properties.font-palette.light
-  - css.properties.font-palette.normal
diff --git a/features/font-variant-caps.yml b/features/font-variant-caps.yml
index 234455c9572..7390e2e9b12 100644
--- a/features/font-variant-caps.yml
+++ b/features/font-variant-caps.yml
@@ -2,12 +2,3 @@ name: font-variant-caps
 description: The `font-variant-caps` CSS property sets whether text should be displayed in small caps, petite caps, or with capital letters designed for titles.
 spec: https://drafts.csswg.org/css-fonts-4/#font-variant-caps-prop
 group: font-features
-compat_features:
-  - css.properties.font-variant-caps
-  - css.properties.font-variant-caps.all-petite-caps
-  - css.properties.font-variant-caps.all-small-caps
-  - css.properties.font-variant-caps.normal
-  - css.properties.font-variant-caps.petite-caps
-  - css.properties.font-variant-caps.small-caps
-  - css.properties.font-variant-caps.titling-caps
-  - css.properties.font-variant-caps.unicase
diff --git a/features/font-variant-east-asian.yml b/features/font-variant-east-asian.yml
index 6100caf2b25..f629a8a6603 100644
--- a/features/font-variant-east-asian.yml
+++ b/features/font-variant-east-asian.yml
@@ -2,15 +2,3 @@ name: font-variant-east-asian
 description: The `font-variant-east-asian` CSS property controls glyph substitution and sizing in East Asian text.
 spec: https://drafts.csswg.org/css-fonts-4/#font-variant-east-asian-prop
 group: font-features
-compat_features:
-  - css.properties.font-variant-east-asian
-  - css.properties.font-variant-east-asian.full-width
-  - css.properties.font-variant-east-asian.jis04
-  - css.properties.font-variant-east-asian.jis78
-  - css.properties.font-variant-east-asian.jis83
-  - css.properties.font-variant-east-asian.jis90
-  - css.properties.font-variant-east-asian.normal
-  - css.properties.font-variant-east-asian.proportional-width
-  - css.properties.font-variant-east-asian.ruby
-  - css.properties.font-variant-east-asian.simplified
-  - css.properties.font-variant-east-asian.traditional
diff --git a/features/font-variant-emoji.yml b/features/font-variant-emoji.yml
index 7b2dea52f98..053af00872b 100644
--- a/features/font-variant-emoji.yml
+++ b/features/font-variant-emoji.yml
@@ -2,5 +2,3 @@ name: font-variant-emoji
 description: The `font-variant-emoji` CSS property sets the default presentation for emoji characters.
 spec: https://drafts.csswg.org/css-fonts-4/#font-variant-emoji-prop
 group: font-features
-compat_features:
-  - css.properties.font-variant-emoji
diff --git a/features/font-variant-emoji.yml.dist b/features/font-variant-emoji.yml.dist
index f4950b69629..c6411d27c9c 100644
--- a/features/font-variant-emoji.yml.dist
+++ b/features/font-variant-emoji.yml.dist
@@ -6,3 +6,7 @@ status:
   support: {}
 compat_features:
   - css.properties.font-variant-emoji
+  - css.properties.font-variant-emoji.emoji
+  - css.properties.font-variant-emoji.normal
+  - css.properties.font-variant-emoji.text
+  - css.properties.font-variant-emoji.unicode
diff --git a/features/font-variant-ligatures.yml b/features/font-variant-ligatures.yml
index 0d4fbe6ed53..2ab64da2ae7 100644
--- a/features/font-variant-ligatures.yml
+++ b/features/font-variant-ligatures.yml
@@ -2,15 +2,3 @@ name: font-variant-ligatures
 description: The `font-variant-ligatures` CSS property sets how characters can be visually combined for readability or stylistic reasons.
 spec: https://drafts.csswg.org/css-fonts-4/#font-variant-ligatures-prop
 group: font-features
-compat_features:
-  - css.properties.font-variant-ligatures
-  - css.properties.font-variant-ligatures.common-ligatures
-  - css.properties.font-variant-ligatures.contextual
-  - css.properties.font-variant-ligatures.discretionary-ligatures
-  - css.properties.font-variant-ligatures.historical-ligatures
-  - css.properties.font-variant-ligatures.no-common-ligatures
-  - css.properties.font-variant-ligatures.no-contextual
-  - css.properties.font-variant-ligatures.no-discretionary-ligatures
-  - css.properties.font-variant-ligatures.no-historical-ligatures
-  - css.properties.font-variant-ligatures.none
-  - css.properties.font-variant-ligatures.normal
diff --git a/features/font-variant-numeric.yml b/features/font-variant-numeric.yml
index 371ec7c4d12..6a89d8680c3 100644
--- a/features/font-variant-numeric.yml
+++ b/features/font-variant-numeric.yml
@@ -3,14 +3,3 @@ description: The `font-variant-numeric` CSS property sets how numeric characters
 spec: https://drafts.csswg.org/css-fonts-4/#font-variant-numeric-prop
 caniuse: font-variant-numeric
 group: font-features
-compat_features:
-  - css.properties.font-variant-numeric
-  - css.properties.font-variant-numeric.diagonal-fractions
-  - css.properties.font-variant-numeric.lining-nums
-  - css.properties.font-variant-numeric.normal
-  - css.properties.font-variant-numeric.oldstyle-nums
-  - css.properties.font-variant-numeric.ordinal
-  - css.properties.font-variant-numeric.proportional-nums
-  - css.properties.font-variant-numeric.slashed-zero
-  - css.properties.font-variant-numeric.stacked-fractions
-  - css.properties.font-variant-numeric.tabular-nums
diff --git a/features/font-variant.yml b/features/font-variant.yml
index 9e805bbc1e5..afe142c6e1d 100644
--- a/features/font-variant.yml
+++ b/features/font-variant.yml
@@ -4,13 +4,3 @@ spec: https://drafts.csswg.org/css-fonts-4/#font-variant-prop
 group: font-features
 status:
   compute_from: css.properties.font-variant
-compat_features:
-  - css.properties.font-variant
-  - css.properties.font-variant.historical-forms
-  - css.properties.font-variant.none
-  - css.properties.font-variant.normal
-  - css.at-rules.font-face.font-variant
-  - svg.global_attributes.font-variant
-  - css.properties.font-variant.sub
-  - css.properties.font-variant.super
-  - css.properties.font-variant.turkic_is
diff --git a/features/font-variation-settings.yml b/features/font-variation-settings.yml
index 980ab91a372..366bdf80090 100644
--- a/features/font-variation-settings.yml
+++ b/features/font-variation-settings.yml
@@ -5,6 +5,3 @@ group: fonts
 caniuse: variable-fonts
 status:
   compute_from: css.properties.font-variation-settings
-compat_features:
-  - css.properties.font-variation-settings
-  - css.at-rules.font-face.font-variation-settings
diff --git a/features/forced-colors.yml b/features/forced-colors.yml
index 3505fa3513a..c801c1fad11 100644
--- a/features/forced-colors.yml
+++ b/features/forced-colors.yml
@@ -6,9 +6,3 @@ spec:
 group: css
 status:
   compute_from: css.at-rules.media.forced-colors
-compat_features:
-  - css.at-rules.media.forced-colors
-  - css.properties.forced-color-adjust
-  - css.properties.forced-color-adjust.auto
-  - css.properties.forced-color-adjust.none
-  - css.properties.forced-color-adjust.preserve-parent-color
diff --git a/features/form.yml b/features/form.yml
index 9e1350f1760..602f3102a95 100644
--- a/features/form.yml
+++ b/features/form.yml
@@ -4,34 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/forms.html#the-form-element
 group: forms
 status:
   compute_from: html.elements.form
-compat_features:
-  - api.HTMLFormElement
-  - api.HTMLFormElement.acceptCharset
-  - api.HTMLFormElement.action
-  - api.HTMLFormElement.autocomplete
-  - api.HTMLFormElement.elements
-  - api.HTMLFormElement.encoding
-  - api.HTMLFormElement.enctype
-  - api.HTMLFormElement.formdata_event
-  - api.HTMLFormElement.length
-  - api.HTMLFormElement.method
-  - api.HTMLFormElement.name
-  - api.HTMLFormElement.noValidate
-  - api.HTMLFormElement.rel
-  - api.HTMLFormElement.relList
-  - api.HTMLFormElement.requestSubmit
-  - api.HTMLFormElement.reset
-  - api.HTMLFormElement.reset_event
-  - api.HTMLFormElement.submit
-  - api.HTMLFormElement.submit_event
-  - api.HTMLFormElement.target
-  - html.elements.form
-  - html.elements.form.accept-charset
-  - html.elements.form.action
-  - html.elements.form.autocomplete
-  - html.elements.form.enctype
-  - html.elements.form.method
-  - html.elements.form.name
-  - html.elements.form.novalidate
-  - html.elements.form.rel
-  - html.elements.form.target
diff --git a/features/geolocation.yml b/features/geolocation.yml
index accdfb74ac4..12ec3b88699 100644
--- a/features/geolocation.yml
+++ b/features/geolocation.yml
@@ -4,31 +4,3 @@ spec: https://w3c.github.io/geolocation/
 status:
   compute_from: api.Navigator.geolocation
 caniuse: geolocation
-compat_features:
-  - api.Geolocation
-  - api.Geolocation.clearWatch
-  - api.Geolocation.getCurrentPosition
-  - api.Geolocation.secure_context_required
-  - api.Geolocation.watchPosition
-  - api.GeolocationCoordinates
-  - api.GeolocationCoordinates.accuracy
-  - api.GeolocationCoordinates.altitude
-  - api.GeolocationCoordinates.altitudeAccuracy
-  - api.GeolocationCoordinates.heading
-  - api.GeolocationCoordinates.latitude
-  - api.GeolocationCoordinates.longitude
-  - api.GeolocationCoordinates.secure_context_required
-  - api.GeolocationCoordinates.speed
-  - api.GeolocationCoordinates.toJSON
-  - api.GeolocationPosition
-  - api.GeolocationPosition.coords
-  - api.GeolocationPosition.secure_context_required
-  - api.GeolocationPosition.timestamp
-  - api.GeolocationPosition.toJSON
-  - api.GeolocationPositionError
-  - api.GeolocationPositionError.code
-  - api.GeolocationPositionError.message
-  - api.GeolocationPositionError.secure_context_required
-  - api.Navigator.geolocation
-  - api.Navigator.geolocation.secure_context_required
-  - http.headers.Permissions-Policy.geolocation
diff --git a/features/gyroscope.yml b/features/gyroscope.yml
index b899eabf546..cd09c388586 100644
--- a/features/gyroscope.yml
+++ b/features/gyroscope.yml
@@ -2,12 +2,3 @@ name: Gyroscope
 description: The `Gyroscope` API reads the angular velocity of a device in three dimensions.
 spec: https://w3c.github.io/gyroscope/#gyroscope-interface
 group: sensors
-compat_features:
-  - api.Gyroscope
-  - api.Gyroscope.Gyroscope
-  - api.Gyroscope.x
-  - api.Gyroscope.y
-  - api.Gyroscope.z
-  - api.Permissions.permission_gyroscope
-  # Later addition
-  # - http.headers.Permissions-Policy.gyroscope
diff --git a/features/head.yml b/features/head.yml
index 7186de8740e..f0992b0a66e 100644
--- a/features/head.yml
+++ b/features/head.yml
@@ -2,6 +2,3 @@ name: <head>
 description: The `<head>` element contains machine-readable information (metadata) about the document, such as the title, `<script>` and `<style>` elements, and `<meta>` elements.
 spec: https://html.spec.whatwg.org/multipage/semantics.html#the-head-element
 group: html-elements
-compat_features:
-  - api.HTMLHeadElement
-  - html.elements.head
diff --git a/features/header-footer.yml b/features/header-footer.yml
index a20bb67bdbc..a6583ba27fc 100644
--- a/features/header-footer.yml
+++ b/features/header-footer.yml
@@ -6,6 +6,3 @@ spec:
 group: html-elements
 # Note: <header> and <footer> are part of https://caniuse.com/html5semantic but
 # that feature covers many unrelated elements and is therefore not linked here.
-compat_features:
-  - html.elements.footer
-  - html.elements.header
diff --git a/features/headings.yml b/features/headings.yml
index a4be2b02c1c..28a6de6e3f0 100644
--- a/features/headings.yml
+++ b/features/headings.yml
@@ -2,11 +2,3 @@ name: <h1> through <h6>
 description: The `<h1>` through `<h6>` HTML elements represent six levels of section headings, in order of decreasing importance.
 spec: https://html.spec.whatwg.org/multipage/sections.html#the-h1,-h2,-h3,-h4,-h5,-and-h6-elements
 group: html-elements
-compat_features:
-  - api.HTMLHeadingElement
-  - html.elements.h1
-  - html.elements.h2
-  - html.elements.h3
-  - html.elements.h4
-  - html.elements.h5
-  - html.elements.h6
diff --git a/features/hgroup.yml b/features/hgroup.yml
index 66f05093976..2e756932e5e 100644
--- a/features/hgroup.yml
+++ b/features/hgroup.yml
@@ -2,5 +2,3 @@ name: <hgroup>
 description: The `<hgroup>` element represents a heading and related content.
 spec: https://html.spec.whatwg.org/multipage/sections.html#the-hgroup-element
 group: html-elements
-compat_features:
-  - html.elements.hgroup
diff --git a/features/hr.yml b/features/hr.yml
index 5ddf09b5334..aa401d15299 100644
--- a/features/hr.yml
+++ b/features/hr.yml
@@ -2,6 +2,3 @@ name: <hr>
 description: The `<hr>` element represents a thematic break between paragraphs, often shown as a horizontal rule.
 spec: https://html.spec.whatwg.org/multipage/grouping-content.html#the-hr-element
 group: html-elements
-compat_features:
-  - api.HTMLHRElement
-  - html.elements.hr
diff --git a/features/hsl.yml b/features/hsl.yml
index 63d81c156aa..9868c885a7c 100644
--- a/features/hsl.yml
+++ b/features/hsl.yml
@@ -6,8 +6,3 @@ group: color-types
 status:
   compute_from: css.types.color.hsl.alpha_parameter
 # TODO: For alignment with caniuse, add `hsla()` features when https://github.com/mdn/browser-compat-data/issues/24191 is resolved and update compute_from
-compat_features:
-  - css.types.color.hsl
-  - css.types.color.hsl.alpha_parameter
-  - css.types.color.hsl.mixed_type_parameters
-  - css.types.color.hsl.space_separated_parameters
diff --git a/features/html.yml b/features/html.yml
index 64e516fc023..ccce3eba1e1 100644
--- a/features/html.yml
+++ b/features/html.yml
@@ -2,6 +2,3 @@ name: <html>
 description: The `<html>` element represents the top-level of an HTML document and is referred to as the root element.
 spec: https://html.spec.whatwg.org/multipage/semantics.html#the-html-element
 group: html-elements
-compat_features:
-  - api.HTMLHtmlElement
-  - html.elements.html
diff --git a/features/hwb.yml b/features/hwb.yml
index c95531603a5..c879b8ee403 100644
--- a/features/hwb.yml
+++ b/features/hwb.yml
@@ -4,6 +4,3 @@ spec: https://drafts.csswg.org/css-color-4/#the-hwb-notation
 group: color-types
 status:
   compute_from: css.types.color.hwb
-compat_features:
-  - css.types.color.hwb
-  - css.types.color.hwb.mixed_type_parameters
diff --git a/features/i.yml b/features/i.yml
index b6f412a5edc..54ea9a090be 100644
--- a/features/i.yml
+++ b/features/i.yml
@@ -2,5 +2,3 @@ name: <i>
 description: The `<i>` HTML element identifies idiomatic content, styling text as italic by default.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-i-element
 group: html-elements
-compat_features:
-  - html.elements.i
diff --git a/features/iframe-credentialless.yml b/features/iframe-credentialless.yml
index 5c01c4e6473..1b73cc528bb 100644
--- a/features/iframe-credentialless.yml
+++ b/features/iframe-credentialless.yml
@@ -1,7 +1,3 @@
 name: Credentialless iframes
 description: The `credentialless` attribute for the `<iframe>` HTML element loads third-party content in an ephemeral context and does not send any credentials such as cookies. When using cross-origin isolation, this allows you to embed content that does not send `Cross-Origin-Embedder-Policy` headers.
 spec: https://wicg.github.io/anonymous-iframe/
-compat_features:
-  - api.HTMLIFrameElement.credentialless
-  - api.Window.credentialless
-  - html.elements.iframe.credentialless
diff --git a/features/iframe-srcdoc.yml b/features/iframe-srcdoc.yml
index 91b3d94f2c3..43a3ecfbe19 100644
--- a/features/iframe-srcdoc.yml
+++ b/features/iframe-srcdoc.yml
@@ -2,6 +2,3 @@ name: srcdoc
 description: The `srcdoc` attribute for the `<iframe>` HTML element sets a string of HTML to embed in the document. The value of `srcdoc` overrides loading a document from the `src` attribute.
 spec: https://html.spec.whatwg.org/multipage/iframe-embed-object.html#attr-iframe-srcdoc
 caniuse: iframe-srcdoc
-compat_features:
-  - api.HTMLIFrameElement.srcdoc
-  - html.elements.iframe.srcdoc
diff --git a/features/iframe.yml b/features/iframe.yml
index a4bcadd93ae..f380e6d0778 100644
--- a/features/iframe.yml
+++ b/features/iframe.yml
@@ -4,19 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-iframe
 group: html-elements
 status:
   compute_from: html.elements.iframe
-compat_features:
-  - api.HTMLIFrameElement
-  - api.HTMLIFrameElement.allow
-  - api.HTMLIFrameElement.contentDocument
-  - api.HTMLIFrameElement.contentWindow
-  - api.HTMLIFrameElement.getSVGDocument
-  - api.HTMLIFrameElement.height
-  - api.HTMLIFrameElement.name
-  - api.HTMLIFrameElement.src
-  - api.HTMLIFrameElement.width
-  - html.elements.iframe
-  - html.elements.iframe.allow
-  - html.elements.iframe.height
-  - html.elements.iframe.name
-  - html.elements.iframe.src
-  - html.elements.iframe.width
diff --git a/features/image-maps.yml b/features/image-maps.yml
index 156dc134699..0746146da0a 100644
--- a/features/image-maps.yml
+++ b/features/image-maps.yml
@@ -4,42 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/image-maps.html
 group: html-elements
 status:
   compute_from: html.elements.area
-compat_features:
-  - api.HTMLAreaElement
-  - api.HTMLAreaElement.alt
-  - api.HTMLAreaElement.coords
-  - api.HTMLAreaElement.hash
-  - api.HTMLAreaElement.host
-  - api.HTMLAreaElement.hostname
-  - api.HTMLAreaElement.href
-  - api.HTMLAreaElement.origin
-  - api.HTMLAreaElement.password
-  - api.HTMLAreaElement.pathname
-  - api.HTMLAreaElement.port
-  - api.HTMLAreaElement.protocol
-  - api.HTMLAreaElement.rel
-  - api.HTMLAreaElement.relList
-  - api.HTMLAreaElement.search
-  - api.HTMLAreaElement.shape
-  - api.HTMLAreaElement.target
-  - api.HTMLAreaElement.toString
-  - api.HTMLAreaElement.username
-  - api.HTMLImageElement.isMap
-  - api.HTMLImageElement.useMap
-  - api.HTMLMapElement
-  - api.HTMLMapElement.areas
-  - api.HTMLMapElement.name
-  - html.elements.area
-  - html.elements.area.alt
-  - html.elements.area.coords
-  - html.elements.area.href
-  - html.elements.area.implicit_noopener
-  - html.elements.area.rel
-  - html.elements.area.rel.noopener
-  - html.elements.area.rel.noreferrer
-  - html.elements.area.shape
-  - html.elements.area.target
-  - html.elements.img.ismap
-  - html.elements.img.usemap
-  - html.elements.map
-  - html.elements.map.name
diff --git a/features/img.yml b/features/img.yml
index 623f147849b..a7944cf2f63 100644
--- a/features/img.yml
+++ b/features/img.yml
@@ -4,23 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/embedded-content.html#the-img-eleme
 group: html-elements
 status:
   compute_from: html.elements.img
-compat_features:
-  - api.HTMLImageElement
-  - api.HTMLImageElement.Image
-  - api.HTMLImageElement.alt
-  - api.HTMLImageElement.complete
-  - api.HTMLImageElement.crossOrigin
-  - api.HTMLImageElement.decode
-  - api.HTMLImageElement.decoding
-  - api.HTMLImageElement.height
-  - api.HTMLImageElement.naturalHeight
-  - api.HTMLImageElement.naturalWidth
-  - api.HTMLImageElement.src
-  - api.HTMLImageElement.width
-  - html.elements.img
-  - html.elements.img.alt
-  - html.elements.img.crossorigin
-  - html.elements.img.decoding
-  - html.elements.img.height
-  - html.elements.img.src
-  - html.elements.img.width
diff --git a/features/import.yml b/features/import.yml
index 1391cb5dd3e..c4a417aa5d3 100644
--- a/features/import.yml
+++ b/features/import.yml
@@ -2,9 +2,3 @@ name: "@import"
 description: The `@import` CSS at-rule loads styles from another stylesheet.
 spec: https://drafts.csswg.org/css-cascade-5/#at-import
 group: css
-compat_features:
-  - css.at-rules.import
-  - api.CSSImportRule
-  - api.CSSImportRule.href
-  - api.CSSImportRule.media
-  - api.CSSImportRule.styleSheet
diff --git a/features/initial-letter.yml b/features/initial-letter.yml
index cb375a63898..fc1b046fdd3 100644
--- a/features/initial-letter.yml
+++ b/features/initial-letter.yml
@@ -1,7 +1,4 @@
 name: initial-letter
 description: The `initial-letter` CSS property sets the number of lines the first letter of an element occupies. You can use the property to make a raised capital or drop cap.
 spec: https://drafts.csswg.org/css-inline-3/#sizing-drop-initials
-compat_features:
-  - css.properties.initial-letter
-  - css.properties.initial-letter.normal
 group: css
diff --git a/features/ins.yml b/features/ins.yml
index 087bcc8372b..bffba4f2031 100644
--- a/features/ins.yml
+++ b/features/ins.yml
@@ -2,12 +2,8 @@ name: <ins>
 description: The `<ins>` element element represents a range of text that has been inserted into a document, styling text as underlined by default.
 spec: https://html.spec.whatwg.org/multipage/edits.html#the-ins-element
 group: html-elements
-compat_features:
-  # TODO - Removed until #1173 is resolved, these APIs are currently listed
-  # in <del> to prevent the error.
-  # - api.HTMLModElement
-  # - api.HTMLModElement.cite
-  # - api.HTMLModElement.dateTime
-  - html.elements.ins
-  - html.elements.ins.cite
-  - html.elements.ins.datetime
+# TODO - The following features are removed until #1173 is resolved,
+# these APIs are currently listed in <del> to prevent the error:
+# - api.HTMLModElement
+# - api.HTMLModElement.cite
+# - api.HTMLModElement.dateTime
diff --git a/features/intl-display-names.yml b/features/intl-display-names.yml
index 21f9f09d9b3..e16dd5b7cee 100644
--- a/features/intl-display-names.yml
+++ b/features/intl-display-names.yml
@@ -2,9 +2,3 @@ name: Intl.DisplayNames
 description: "The `Intl.DisplayNames` API provides localized names of language, region, script, and currency codes."
 group: intl
 spec: https://tc39.es/ecma402/#intl-displaynames-objects
-compat_features:
-  - javascript.builtins.Intl.DisplayNames
-  - javascript.builtins.Intl.DisplayNames.DisplayNames
-  - javascript.builtins.Intl.DisplayNames.of
-  - javascript.builtins.Intl.DisplayNames.resolvedOptions
-  - javascript.builtins.Intl.DisplayNames.supportedLocalesOf
diff --git a/features/intl-duration-format.yml b/features/intl-duration-format.yml
index 04588f696eb..152ebcf17b5 100644
--- a/features/intl-duration-format.yml
+++ b/features/intl-duration-format.yml
@@ -2,10 +2,3 @@ name: Intl.DurationFormat
 description: "The `Intl.DurationFormat` API creates a locale-aware formatter that turns an object representing a duration (such as days, hours, and minutes) into a string."
 group: intl
 spec: https://tc39.es/proposal-intl-duration-format/
-compat_features:
-  - javascript.builtins.Intl.DurationFormat
-  - javascript.builtins.Intl.DurationFormat.DurationFormat
-  - javascript.builtins.Intl.DurationFormat.format
-  - javascript.builtins.Intl.DurationFormat.formatToParts
-  - javascript.builtins.Intl.DurationFormat.resolvedOptions
-  - javascript.builtins.Intl.DurationFormat.supportedLocalesOf
diff --git a/features/intl-list-format.yml b/features/intl-list-format.yml
index d1a996ab2b9..e2860ea0398 100644
--- a/features/intl-list-format.yml
+++ b/features/intl-list-format.yml
@@ -2,10 +2,3 @@ name: Intl.ListFormat
 description: "The `Intl.ListFormat` API creates a locale-aware formatter that turns iterable objects into localized strings."
 group: intl
 spec: https://tc39.es/ecma402/#listformat-objects
-compat_features:
-  - javascript.builtins.Intl.ListFormat
-  - javascript.builtins.Intl.ListFormat.ListFormat
-  - javascript.builtins.Intl.ListFormat.format
-  - javascript.builtins.Intl.ListFormat.formatToParts
-  - javascript.builtins.Intl.ListFormat.resolvedOptions
-  - javascript.builtins.Intl.ListFormat.supportedLocalesOf
diff --git a/features/intl-locale.yml b/features/intl-locale.yml
index 881643d7520..9cbfd116e6e 100644
--- a/features/intl-locale.yml
+++ b/features/intl-locale.yml
@@ -2,19 +2,3 @@ name: Intl.Locale
 description: "The `Intl.Locale` API parses Unicode locale identifiers, with language, region, and script codes, such as `zh-Hans-CN` or `en-GB`."
 group: intl
 spec: https://tc39.es/ecma402/#locale-objects
-compat_features:
-  - javascript.builtins.Intl.Locale
-  - javascript.builtins.Intl.Locale.Locale
-  - javascript.builtins.Intl.Locale.baseName
-  - javascript.builtins.Intl.Locale.calendar
-  - javascript.builtins.Intl.Locale.caseFirst
-  - javascript.builtins.Intl.Locale.collation
-  - javascript.builtins.Intl.Locale.hourCycle
-  - javascript.builtins.Intl.Locale.language
-  - javascript.builtins.Intl.Locale.maximize
-  - javascript.builtins.Intl.Locale.minimize
-  - javascript.builtins.Intl.Locale.numberingSystem
-  - javascript.builtins.Intl.Locale.numeric
-  - javascript.builtins.Intl.Locale.region
-  - javascript.builtins.Intl.Locale.script
-  - javascript.builtins.Intl.Locale.toString
diff --git a/features/intl-plural-rules.yml b/features/intl-plural-rules.yml
index 8aae46b160c..7c827177f91 100644
--- a/features/intl-plural-rules.yml
+++ b/features/intl-plural-rules.yml
@@ -4,15 +4,3 @@ group: intl
 spec: https://tc39.es/ecma402/#pluralrules-objects
 status:
   compute_from: javascript.builtins.Intl.PluralRules
-compat_features:
-  - javascript.builtins.Intl.PluralRules
-  - javascript.builtins.Intl.PluralRules.PluralRules
-  - javascript.builtins.Intl.PluralRules.PluralRules.options_parameter
-  - javascript.builtins.Intl.PluralRules.PluralRules.options_parameter.options_roundingIncrement_parameter
-  - javascript.builtins.Intl.PluralRules.PluralRules.options_parameter.options_roundingMode_parameter
-  - javascript.builtins.Intl.PluralRules.PluralRules.options_parameter.options_roundingPriority_parameter
-  - javascript.builtins.Intl.PluralRules.PluralRules.options_parameter.options_trailingZeroDisplay_parameter
-  - javascript.builtins.Intl.PluralRules.resolvedOptions
-  - javascript.builtins.Intl.PluralRules.select
-  - javascript.builtins.Intl.PluralRules.selectRange
-  - javascript.builtins.Intl.PluralRules.supportedLocalesOf
diff --git a/features/intl-relative-time-format.yml b/features/intl-relative-time-format.yml
index 4c9544859d3..df07b060757 100644
--- a/features/intl-relative-time-format.yml
+++ b/features/intl-relative-time-format.yml
@@ -2,14 +2,3 @@ name: Intl.RelativeTimeFormat
 description: "The `Intl.RelativeTimeFormat` API creates a locale-aware formatter that turns an object representing a relative time (such as '1 day ago') into a localized string."
 group: intl
 spec: https://tc39.es/ecma402/#relativetimeformat-objects
-compat_features:
-  - javascript.builtins.Intl.RelativeTimeFormat
-  - javascript.builtins.Intl.RelativeTimeFormat.RelativeTimeFormat
-  - javascript.builtins.Intl.RelativeTimeFormat.RelativeTimeFormat.locales_parameter
-  - javascript.builtins.Intl.RelativeTimeFormat.RelativeTimeFormat.options_parameter.options_localeMatcher_parameter
-  - javascript.builtins.Intl.RelativeTimeFormat.RelativeTimeFormat.options_parameter.options_numberingSystem_parameter
-  - javascript.builtins.Intl.RelativeTimeFormat.RelativeTimeFormat.options_parameter.options_numeric_parameter
-  - javascript.builtins.Intl.RelativeTimeFormat.format
-  - javascript.builtins.Intl.RelativeTimeFormat.formatToParts
-  - javascript.builtins.Intl.RelativeTimeFormat.resolvedOptions
-  - javascript.builtins.Intl.RelativeTimeFormat.supportedLocalesOf
diff --git a/features/intl-segmenter.yml b/features/intl-segmenter.yml
index 673572fa624..8819bcca3cc 100644
--- a/features/intl-segmenter.yml
+++ b/features/intl-segmenter.yml
@@ -2,12 +2,3 @@ name: Intl.Segmenter
 description: "The `Intl.Segmenter` API creates a locale-aware text splitter that can separate a string into meaningful graphemes, words, or sentences."
 group: intl
 spec: https://tc39.es/ecma402/#segmenter-objects
-compat_features:
-  - javascript.builtins.Intl.Segmenter
-  - javascript.builtins.Intl.Segmenter.Segmenter
-  - javascript.builtins.Intl.Segmenter.resolvedOptions
-  - javascript.builtins.Intl.Segmenter.segment
-  - javascript.builtins.Intl.Segmenter.supportedLocalesOf
-  - javascript.builtins.Intl.Segments
-  - javascript.builtins.Intl.Segments.containing
-  - javascript.builtins.Intl.Segments.@@iterator
diff --git a/features/json-modules.yml b/features/json-modules.yml
index b5f30425c70..0d2ac9e4d4c 100644
--- a/features/json-modules.yml
+++ b/features/json-modules.yml
@@ -2,8 +2,6 @@ name: JSON import attributes
 description: 'Module `import … with { type: "json" }` statements load JSON data. Also known as JSON module scripts and formerly known as import assertions.'
 spec: https://html.spec.whatwg.org/multipage/webappapis.html#json-module-script
 group: json
-compat_features:
-  # TODO: Include when https://github.com/web-platform-dx/web-features/issues/1173
-  # is resolved.
-  # - javascript.statements.import
-  - javascript.statements.import.import_attributes.type_json
+# TODO: Include when https://github.com/web-platform-dx/web-features/issues/1173
+# is resolved.
+# - javascript.statements.import
diff --git a/features/kbd.yml b/features/kbd.yml
index 3412a145b08..c5c7309ca72 100644
--- a/features/kbd.yml
+++ b/features/kbd.yml
@@ -2,5 +2,3 @@ name: <kbd>
 description: The `<kbd>` element represents textual user input, such as keyboard or voice input, styling text in monospaced type by default.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-kbd-element
 group: html-elements
-compat_features:
-  - html.elements.kbd
diff --git a/features/keyboard-lock.yml b/features/keyboard-lock.yml
index 64f6e1a10bc..d5d154b96ac 100644
--- a/features/keyboard-lock.yml
+++ b/features/keyboard-lock.yml
@@ -1,8 +1,3 @@
 name: Keyboard lock
 description: The `navigator.keyboard.lock()` API allows you to capture keys that are normally reserved by the operating system. It can be used to provide an immersive fullscreen experience such as games.
 spec: https://wicg.github.io/keyboard-lock/
-compat_features:
-  - api.Keyboard
-  - api.Keyboard.lock
-  - api.Keyboard.unlock
-  - api.Navigator.keyboard
diff --git a/features/label.yml b/features/label.yml
index 1b4f3c86308..e7ceb95c708 100644
--- a/features/label.yml
+++ b/features/label.yml
@@ -6,10 +6,3 @@ group:
   - html-elements
 status:
   compute_from: html.elements.label
-compat_features:
-  - api.HTMLLabelElement
-  - api.HTMLLabelElement.control
-  - api.HTMLLabelElement.form
-  - api.HTMLLabelElement.htmlFor
-  - html.elements.label
-  - html.elements.label.for
diff --git a/features/link.yml b/features/link.yml
index 5641c9f2941..37ddd7d1884 100644
--- a/features/link.yml
+++ b/features/link.yml
@@ -4,27 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/semantics.html#the-link-element
 group: html-elements
 status:
   compute_from: html.elements.link
-compat_features:
-  - api.HTMLLinkElement
-  - api.HTMLLinkElement.as
-  - api.HTMLLinkElement.crossOrigin
-  - api.HTMLLinkElement.disabled
-  - api.HTMLLinkElement.href
-  - api.HTMLLinkElement.hreflang
-  - api.HTMLLinkElement.integrity
-  - api.HTMLLinkElement.media
-  - api.HTMLLinkElement.rel
-  - api.HTMLLinkElement.relList
-  - api.HTMLLinkElement.sizes
-  - api.HTMLLinkElement.type
-  - html.elements.link
-  - html.elements.link.as
-  - html.elements.link.crossorigin
-  - html.elements.link.disabled
-  - html.elements.link.href
-  - html.elements.link.hreflang
-  - html.elements.link.integrity
-  - html.elements.link.media
-  - html.elements.link.rel
-  - html.elements.link.sizes
-  - html.elements.link.type
diff --git a/features/list-elements.yml b/features/list-elements.yml
index 98b274b9a38..1b2481d53fc 100644
--- a/features/list-elements.yml
+++ b/features/list-elements.yml
@@ -12,18 +12,3 @@ status:
     - html.elements.ol
     - html.elements.ul
     - html.elements.li
-compat_features:
-  - api.HTMLLIElement
-  - api.HTMLLIElement.value
-  - api.HTMLOListElement
-  - api.HTMLOListElement.reversed
-  - api.HTMLOListElement.start
-  - api.HTMLOListElement.type
-  - api.HTMLUListElement
-  - html.elements.li
-  - html.elements.li.value
-  - html.elements.ol
-  - html.elements.ol.reversed
-  - html.elements.ol.start
-  - html.elements.ol.type
-  - html.elements.ul
diff --git a/features/main.yml b/features/main.yml
index 921f9c5f7d4..ef287495c0e 100644
--- a/features/main.yml
+++ b/features/main.yml
@@ -4,5 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/grouping-content.html#the-main-elem
 group: html-elements
 # Note: <main> is part of https://caniuse.com/html5semantic but that feature
 # covers many unrelated elements and is therefore not linked here.
-compat_features:
-  - html.elements.main
diff --git a/features/mark.yml b/features/mark.yml
index 45dae90fe3b..0aeacb9e704 100644
--- a/features/mark.yml
+++ b/features/mark.yml
@@ -4,5 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-mark-
 group: html-elements
 # Note: <mark> is part of https://caniuse.com/html5semantic but that feature
 # covers many unrelated elements and is therefore not linked here.
-compat_features:
-  - html.elements.mark
diff --git a/features/menu.yml b/features/menu.yml
index 15f57ebe8d1..7a56451863d 100644
--- a/features/menu.yml
+++ b/features/menu.yml
@@ -2,12 +2,9 @@ name: <menu>
 description: The `<menu>` element represents an unordered list of action items (`<li>`), such as a toolbar. It is a semantic alternative to the `<ul>` element.
 spec: https://html.spec.whatwg.org/multipage/grouping-content.html#menus
 group: html-elements
-compat_features:
-  - api.HTMLMenuElement
-  - html.elements.menu
-  # TODO: Include relevant parts of api.HTMLLIElement when possible:
-  # https://github.com/web-platform-dx/web-features/issues/1173
-  # - api.HTMLLIElement
-  # - api.HTMLLIElement.value
-  # - html.elements.li
-  # - html.elements.li.value
+# TODO: Include relevant parts of api.HTMLLIElement when possible:
+# https://github.com/web-platform-dx/web-features/issues/1173
+# - api.HTMLLIElement
+# - api.HTMLLIElement.value
+# - html.elements.li
+# - html.elements.li.value
diff --git a/features/meta.yml b/features/meta.yml
index 064659ad4c4..d0e0431abb3 100644
--- a/features/meta.yml
+++ b/features/meta.yml
@@ -4,18 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/semantics.html#meta
 group: html-elements
 status:
   compute_from: html.elements.meta
-compat_features:
-  - api.HTMLMetaElement
-  - api.HTMLMetaElement.content
-  - api.HTMLMetaElement.httpEquiv
-  - api.HTMLMetaElement.media
-  - api.HTMLMetaElement.name
-  - html.elements.meta
-  - html.elements.meta.charset
-  - html.elements.meta.content
-  - html.elements.meta.http-equiv
-  # Excluded because of a non-real value
-  # - html.elements.meta.http-equiv.content-type
-  - html.elements.meta.http-equiv.refresh
-  - html.elements.meta.name
-  - html.elements.meta.name.referrer
diff --git a/features/meta.yml.dist b/features/meta.yml.dist
index 0910a75ef31..3be005b2804 100644
--- a/features/meta.yml.dist
+++ b/features/meta.yml.dist
@@ -61,6 +61,19 @@ compat_features:
   - html.elements.meta.http-equiv.refresh
   - html.elements.meta.name
 
+  # baseline: high
+  # baseline_low_date: 2017-06-06
+  # baseline_high_date: 2019-12-06
+  # support:
+  #   chrome: ≤59
+  #   chrome_android: "59"
+  #   edge: "12"
+  #   firefox: "1"
+  #   firefox_android: "4"
+  #   safari: ≤10.1
+  #   safari_ios: ≤10.3
+  - html.elements.meta.http-equiv.content-type
+
   # baseline: high
   # baseline_low_date: 2020-01-15
   # baseline_high_date: 2022-07-15
diff --git a/features/mouse-events.yml b/features/mouse-events.yml
index c4cff3bb0d0..7e10db47c14 100644
--- a/features/mouse-events.yml
+++ b/features/mouse-events.yml
@@ -8,38 +8,3 @@ spec: https://w3c.github.io/uievents/#events-mouse-types
 status:
   compute_from:
     - api.MouseEvent
-compat_features:
-  - api.Element.click_event
-  - api.Element.dblclick_event
-  - api.Element.mousedown_event
-  - api.Element.mouseup_event
-  - api.Element.mousemove_event
-  - api.Element.mouseout_event
-  - api.Element.mouseover_event
-  - api.MouseEvent
-  - api.MouseEvent.altKey
-  - api.MouseEvent.button
-  - api.MouseEvent.clientX
-  - api.MouseEvent.clientY
-  - api.MouseEvent.ctrlKey
-  - api.MouseEvent.metaKey
-  - api.MouseEvent.pageX
-  - api.MouseEvent.pageY
-  - api.MouseEvent.relatedTarget
-  - api.MouseEvent.screenX
-  - api.MouseEvent.screenY
-  - api.MouseEvent.shiftKey
-
-  - api.Element.mouseenter_event
-  - api.Element.mouseleave_event
-  - api.MouseEvent.MouseEvent
-  - api.MouseEvent.buttons
-  - api.MouseEvent.getModifierState
-  - api.MouseEvent.offsetX
-  - api.MouseEvent.offsetY
-  - api.MouseEvent.x
-  - api.MouseEvent.y
-
-  # Note that the next two were specified with `pointer-lock`, but work independently of it.
-  - api.MouseEvent.movementX
-  - api.MouseEvent.movementY
diff --git a/features/named-color.yml b/features/named-color.yml
index c8f642bf7a3..1fd57d586e5 100644
--- a/features/named-color.yml
+++ b/features/named-color.yml
@@ -4,7 +4,3 @@ spec: https://drafts.csswg.org/css-color-4/#named-colors
 group: color-types
 status:
   compute_from: css.types.color.named-color
-compat_features:
-  - css.types.color.named-color
-  - css.types.color.named-color.rebeccapurple
-  - css.types.color.named-color.transparent
diff --git a/features/nav.yml b/features/nav.yml
index dc81a38a220..503bc03da32 100644
--- a/features/nav.yml
+++ b/features/nav.yml
@@ -4,5 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/sections.html#the-nav-element
 group: html-elements
 # Note: <nav> is part of https://caniuse.com/html5semantic but that feature
 # covers many unrelated elements and is therefore not linked here.
-compat_features:
-  - html.elements.nav
diff --git a/features/number.yml b/features/number.yml
index 554de88ee9a..2ba49f18e9c 100644
--- a/features/number.yml
+++ b/features/number.yml
@@ -4,77 +4,3 @@ spec: https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number-object
 group: primitive-types
 status:
   compute_from: javascript.builtins.Number
-compat_features:
-  - javascript.builtins.Infinity
-  - javascript.builtins.isNaN
-  - javascript.builtins.Math
-  - javascript.builtins.Math.abs
-  - javascript.builtins.Math.acos
-  - javascript.builtins.Math.acosh
-  - javascript.builtins.Math.asin
-  - javascript.builtins.Math.asinh
-  - javascript.builtins.Math.atan
-  - javascript.builtins.Math.atan2
-  - javascript.builtins.Math.atanh
-  - javascript.builtins.Math.cbrt
-  - javascript.builtins.Math.ceil
-  - javascript.builtins.Math.clz32
-  - javascript.builtins.Math.cos
-  - javascript.builtins.Math.cosh
-  - javascript.builtins.Math.E
-  - javascript.builtins.Math.exp
-  - javascript.builtins.Math.expm1
-  - javascript.builtins.Math.floor
-  - javascript.builtins.Math.fround
-  - javascript.builtins.Math.hypot
-  - javascript.builtins.Math.imul
-  - javascript.builtins.Math.LN10
-  - javascript.builtins.Math.LN2
-  - javascript.builtins.Math.log
-  - javascript.builtins.Math.log10
-  - javascript.builtins.Math.LOG10E
-  - javascript.builtins.Math.log1p
-  - javascript.builtins.Math.log2
-  - javascript.builtins.Math.LOG2E
-  - javascript.builtins.Math.max
-  - javascript.builtins.Math.min
-  - javascript.builtins.Math.PI
-  - javascript.builtins.Math.pow
-  - javascript.builtins.Math.random
-  - javascript.builtins.Math.round
-  - javascript.builtins.Math.sign
-  - javascript.builtins.Math.sin
-  - javascript.builtins.Math.sinh
-  - javascript.builtins.Math.sqrt
-  - javascript.builtins.Math.SQRT1_2
-  - javascript.builtins.Math.SQRT2
-  - javascript.builtins.Math.tan
-  - javascript.builtins.Math.tanh
-  - javascript.builtins.Math.trunc
-  - javascript.builtins.NaN
-  - javascript.builtins.Number
-  - javascript.builtins.Number.EPSILON
-  - javascript.builtins.Number.isFinite
-  - javascript.builtins.Number.isInteger
-  - javascript.builtins.Number.isNaN
-  - javascript.builtins.Number.isSafeInteger
-  - javascript.builtins.Number.MAX_SAFE_INTEGER
-  - javascript.builtins.Number.MAX_VALUE
-  - javascript.builtins.Number.MIN_SAFE_INTEGER
-  - javascript.builtins.Number.MIN_VALUE
-  - javascript.builtins.Number.NaN
-  - javascript.builtins.Number.NEGATIVE_INFINITY
-  - javascript.builtins.Number.Number
-  - javascript.builtins.Number.parseFloat
-  - javascript.builtins.Number.parseInt
-  - javascript.builtins.Number.POSITIVE_INFINITY
-  - javascript.builtins.Number.toExponential
-  - javascript.builtins.Number.toFixed
-  - javascript.builtins.Number.toPrecision
-  - javascript.builtins.Number.toString
-  - javascript.builtins.Number.valueOf
-  - javascript.builtins.parseInt
-  - javascript.grammar.binary_numeric_literals
-  - javascript.grammar.decimal_numeric_literals
-  - javascript.grammar.hexadecimal_numeric_literals
-  - javascript.grammar.octal_numeric_literals
diff --git a/features/object.yml b/features/object.yml
index 9b63db53d15..22868f3b326 100644
--- a/features/object.yml
+++ b/features/object.yml
@@ -4,21 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-object
 group: html-elements
 status:
   compute_from: html.elements.object
-compat_features:
-  - api.HTMLObjectElement
-  - api.HTMLObjectElement.contentDocument
-  - api.HTMLObjectElement.contentWindow
-  - api.HTMLObjectElement.data
-  - api.HTMLObjectElement.form
-  - api.HTMLObjectElement.getSVGDocument
-  - api.HTMLObjectElement.height
-  - api.HTMLObjectElement.name
-  - api.HTMLObjectElement.type
-  - api.HTMLObjectElement.width
-  - html.elements.object
-  - html.elements.object.data
-  - html.elements.object.form
-  - html.elements.object.height
-  - html.elements.object.name
-  - html.elements.object.type
-  - html.elements.object.width
diff --git a/features/orientation-sensor.yml b/features/orientation-sensor.yml
index cf83d428375..2dcd38ee489 100644
--- a/features/orientation-sensor.yml
+++ b/features/orientation-sensor.yml
@@ -4,11 +4,3 @@ spec:
   - https://w3c.github.io/orientation-sensor/#absoluteorientationsensor-interface
   - https://w3c.github.io/orientation-sensor/#relativeorientationsensor-interface
 group: sensors
-compat_features:
-  - api.OrientationSensor
-  - api.OrientationSensor.populateMatrix
-  - api.OrientationSensor.quaternion
-  - api.AbsoluteOrientationSensor
-  - api.AbsoluteOrientationSensor.AbsoluteOrientationSensor
-  - api.RelativeOrientationSensor
-  - api.RelativeOrientationSensor.RelativeOrientationSensor
diff --git a/features/output.yml b/features/output.yml
index 8510d2944e4..70b50c2f520 100644
--- a/features/output.yml
+++ b/features/output.yml
@@ -6,17 +6,3 @@ group:
   - html-elements
 status:
   compute_from: html.elements.output
-compat_features:
-  - api.HTMLOutputElement
-  - api.HTMLOutputElement.HTMLOutputElement
-  - api.HTMLOutputElement.defaultValue
-  - api.HTMLOutputElement.form
-  - api.HTMLOutputElement.htmlFor
-  - api.HTMLOutputElement.labels
-  - api.HTMLOutputElement.name
-  - api.HTMLOutputElement.type
-  - api.HTMLOutputElement.value
-  - html.elements.output
-  - html.elements.output.for
-  - html.elements.output.form
-  - html.elements.output.name
diff --git a/features/p.yml b/features/p.yml
index 901e9a1eb50..0ab66d80ac1 100644
--- a/features/p.yml
+++ b/features/p.yml
@@ -2,6 +2,3 @@ name: <p>
 description: The `<p>` element represents a paragraph of text.
 spec: https://html.spec.whatwg.org/multipage/grouping-content.html#the-p-element
 group: html-elements
-compat_features:
-  - api.HTMLParagraphElement
-  - html.elements.p
diff --git a/features/password-credentials.yml b/features/password-credentials.yml
index 36e284239a8..c6b2a1ad5f5 100644
--- a/features/password-credentials.yml
+++ b/features/password-credentials.yml
@@ -2,9 +2,3 @@ name: Password credentials
 description: The `PasswordCredential` API represents a username and password.
 spec: https://w3c.github.io/webappsec-credential-management/#passwords
 group: credential-management
-compat_features:
-  - api.PasswordCredential
-  - api.PasswordCredential.PasswordCredential
-  - api.PasswordCredential.iconURL
-  - api.PasswordCredential.name
-  - api.PasswordCredential.password
diff --git a/features/picture.yml b/features/picture.yml
index 29873a03c7c..b6525721690 100644
--- a/features/picture.yml
+++ b/features/picture.yml
@@ -3,6 +3,3 @@ description: The `<picture>` element is used for art direction in responsive ima
 spec: https://html.spec.whatwg.org/multipage/embedded-content.html#the-picture-element
 group: html-elements
 caniuse: picture
-compat_features:
-  - api.HTMLPictureElement
-  - html.elements.picture
diff --git a/features/pre.yml b/features/pre.yml
index 108bb178b37..24bd6cd9ee9 100644
--- a/features/pre.yml
+++ b/features/pre.yml
@@ -2,6 +2,3 @@ name: <pre>
 description: The `<pre>` element represents a block element of preformatted text that is presented exactly as written, including all white space.
 spec: https://html.spec.whatwg.org/multipage/grouping-content.html#the-pre-element
 group: html-elements
-compat_features:
-  - api.HTMLPreElement
-  - html.elements.pre
diff --git a/features/profiler.yml b/features/profiler.yml
index 7b2e862bba7..4c4057c2ba4 100644
--- a/features/profiler.yml
+++ b/features/profiler.yml
@@ -1,9 +1,3 @@
 name: Profiler
 description: The `Profiler` API records data about the execution of a page, which you can send to a server for later analysis. Also known as self-profiling.
 spec: https://wicg.github.io/js-self-profiling/
-compat_features:
-  - api.Profiler
-  - api.Profiler.Profiler
-  - api.Profiler.sampleInterval
-  - api.Profiler.stop
-  - api.Profiler.stopped
diff --git a/features/progress.yml b/features/progress.yml
index 2bf787ea3ab..dca56b87b08 100644
--- a/features/progress.yml
+++ b/features/progress.yml
@@ -7,12 +7,3 @@ group:
 caniuse: progress
 status:
   compute_from: html.elements.progress
-compat_features:
-  - api.HTMLProgressElement
-  - api.HTMLProgressElement.labels
-  - api.HTMLProgressElement.max
-  - api.HTMLProgressElement.position
-  - api.HTMLProgressElement.value
-  - html.elements.progress
-  - html.elements.progress.max
-  - html.elements.progress.value
diff --git a/features/promise-any.yml b/features/promise-any.yml
index 0a9decd1915..e1afab3ec3c 100644
--- a/features/promise-any.yml
+++ b/features/promise-any.yml
@@ -3,8 +3,3 @@ description: The `Promise.any()` static method returns a promise that fulfills a
 snapshot: ecmascript-2021
 spec: https://tc39.es/ecma262/multipage/control-abstraction-objects.html#sec-promise.any
 group: promises
-compat_features:
-  - javascript.builtins.Promise.any
-  - javascript.builtins.AggregateError
-  - javascript.builtins.AggregateError.AggregateError
-  - javascript.builtins.AggregateError.errors
diff --git a/features/promise-try.yml b/features/promise-try.yml
index 2fe5c1cf8a0..1a474e92ec6 100644
--- a/features/promise-try.yml
+++ b/features/promise-try.yml
@@ -2,5 +2,3 @@ name: Promise.try()
 description: The `Promise.try()` static method returns a promise that takes a callback of any kind (returns or throws, synchronously or asynchronously) and wraps its result in a `Promise`.
 spec: https://tc39.es/proposal-promise-try/
 group: promises
-compat_features:
-  - javascript.builtins.Promise.try
diff --git a/features/proxy-reflect.yml b/features/proxy-reflect.yml
index eb0bea988fd..f0ecff4e8d2 100644
--- a/features/proxy-reflect.yml
+++ b/features/proxy-reflect.yml
@@ -6,34 +6,3 @@ caniuse: proxy
 snapshot: ecmascript-2015
 status:
   compute_from: javascript.builtins.Proxy
-compat_features:
-  - javascript.builtins.Proxy
-  - javascript.builtins.Proxy.Proxy
-  - javascript.builtins.Proxy.handler.apply
-  - javascript.builtins.Proxy.handler.construct
-  - javascript.builtins.Proxy.handler.defineProperty
-  - javascript.builtins.Proxy.handler.deleteProperty
-  - javascript.builtins.Proxy.handler.get
-  - javascript.builtins.Proxy.handler.getOwnPropertyDescriptor
-  - javascript.builtins.Proxy.handler.getPrototypeOf
-  - javascript.builtins.Proxy.handler.has
-  - javascript.builtins.Proxy.handler.isExtensible
-  - javascript.builtins.Proxy.handler.ownKeys
-  - javascript.builtins.Proxy.handler.preventExtensions
-  - javascript.builtins.Proxy.handler.set
-  - javascript.builtins.Proxy.handler.setPrototypeOf
-  - javascript.builtins.Proxy.revocable
-  - javascript.builtins.Reflect
-  - javascript.builtins.Reflect.apply
-  - javascript.builtins.Reflect.construct
-  - javascript.builtins.Reflect.defineProperty
-  - javascript.builtins.Reflect.deleteProperty
-  - javascript.builtins.Reflect.get
-  - javascript.builtins.Reflect.getOwnPropertyDescriptor
-  - javascript.builtins.Reflect.getPrototypeOf
-  - javascript.builtins.Reflect.has
-  - javascript.builtins.Reflect.isExtensible
-  - javascript.builtins.Reflect.ownKeys
-  - javascript.builtins.Reflect.preventExtensions
-  - javascript.builtins.Reflect.set
-  - javascript.builtins.Reflect.setPrototypeOf
diff --git a/features/q.yml b/features/q.yml
index 97b56f424ac..f2544845ab2 100644
--- a/features/q.yml
+++ b/features/q.yml
@@ -2,8 +2,3 @@ name: <q>
 description: The `<q>` element represents a short inline quotation.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-q-element
 group: html-elements
-compat_features:
-  - api.HTMLQuoteElement
-  - api.HTMLQuoteElement.cite
-  - html.elements.q
-  - html.elements.q.cite
diff --git a/features/regexp.yml b/features/regexp.yml
index 36e69da1708..5ee253a26c1 100644
--- a/features/regexp.yml
+++ b/features/regexp.yml
@@ -3,56 +3,3 @@ description: The `RegExp` object represents a regular expression, a notation for
 spec: https://tc39.es/ecma262/multipage/text-processing.html#sec-regexp-regular-expression-objects
 status:
   compute_from: javascript.builtins.RegExp
-compat_features:
-  - javascript.builtins.RegExp
-  - javascript.builtins.RegExp.@@match
-  - javascript.builtins.RegExp.@@matchAll
-  - javascript.builtins.RegExp.@@replace
-  - javascript.builtins.RegExp.@@search
-  - javascript.builtins.RegExp.@@species
-  - javascript.builtins.RegExp.@@split
-  - javascript.builtins.RegExp.dotAll
-  - javascript.builtins.RegExp.exec
-  - javascript.builtins.RegExp.flags
-  - javascript.builtins.RegExp.global
-  - javascript.builtins.RegExp.global.prototype_accessor
-  - javascript.builtins.RegExp.hasIndices
-  - javascript.builtins.RegExp.ignoreCase
-  - javascript.builtins.RegExp.ignoreCase.prototype_accessor
-  - javascript.builtins.RegExp.lastIndex
-  - javascript.builtins.RegExp.multiline
-  - javascript.builtins.RegExp.multiline.prototype_accessor
-  - javascript.builtins.RegExp.RegExp
-  - javascript.builtins.RegExp.source
-  - javascript.builtins.RegExp.source.empty_regex_string
-  - javascript.builtins.RegExp.source.escaping
-  - javascript.builtins.RegExp.source.prototype_accessor
-  - javascript.builtins.RegExp.sticky
-  - javascript.builtins.RegExp.sticky.anchored_sticky_flag
-  - javascript.builtins.RegExp.sticky.prototype_accessor
-  - javascript.builtins.RegExp.test
-  - javascript.builtins.RegExp.toString
-  - javascript.builtins.RegExp.toString.escaping
-  - javascript.builtins.RegExp.unicode
-  - javascript.builtins.RegExp.unicodeSets
-  - javascript.grammar.regular_expression_literals
-  - javascript.regular_expressions.backreference
-  - javascript.regular_expressions.capturing_group
-  - javascript.regular_expressions.character_class
-  - javascript.regular_expressions.character_class_escape
-  - javascript.regular_expressions.character_escape
-  - javascript.regular_expressions.character_escape.unicode
-  - javascript.regular_expressions.disjunction
-  - javascript.regular_expressions.input_boundary_assertion
-  - javascript.regular_expressions.literal_character
-  - javascript.regular_expressions.lookahead_assertion
-  - javascript.regular_expressions.lookbehind_assertion
-  - javascript.regular_expressions.modifier
-  - javascript.regular_expressions.named_backreference
-  - javascript.regular_expressions.named_capturing_group
-  - javascript.regular_expressions.named_capturing_group.duplicate_named_capturing_groups
-  - javascript.regular_expressions.non_capturing_group
-  - javascript.regular_expressions.quantifier
-  - javascript.regular_expressions.unicode_character_class_escape
-  - javascript.regular_expressions.wildcard
-  - javascript.regular_expressions.word_boundary_assertion
diff --git a/features/resizable-buffers.yml b/features/resizable-buffers.yml
index b8deb2da695..da16add3f00 100644
--- a/features/resizable-buffers.yml
+++ b/features/resizable-buffers.yml
@@ -3,12 +3,3 @@ description: The `resize()` method of an `ArrayBuffer` and the `grow()` method o
 spec:
   - https://tc39.es/ecma262/multipage/structured-data.html#sec-get-arraybuffer.prototype.resizable
   - https://tc39.es/ecma262/multipage/structured-data.html#sec-get-sharedarraybuffer.prototype.growable
-compat_features:
-  - javascript.builtins.ArrayBuffer.ArrayBuffer.maxByteLength_option
-  - javascript.builtins.ArrayBuffer.maxByteLength
-  - javascript.builtins.ArrayBuffer.resizable
-  - javascript.builtins.ArrayBuffer.resize
-  - javascript.builtins.SharedArrayBuffer.SharedArrayBuffer.maxByteLength_option
-  - javascript.builtins.SharedArrayBuffer.grow
-  - javascript.builtins.SharedArrayBuffer.growable
-  - javascript.builtins.SharedArrayBuffer.maxByteLength
diff --git a/features/resize.yml b/features/resize.yml
index 62489e8cca5..e3286539381 100644
--- a/features/resize.yml
+++ b/features/resize.yml
@@ -6,8 +6,3 @@ group: css
 # TODO: Fix when we have a solution for single form factor features. See https://github.com/web-platform-dx/web-features/issues/1038
 status:
   compute_from: css.properties.resize.block_level_support
-compat_features:
-  - css.properties.resize
-  - css.properties.resize.block
-  - css.properties.resize.block_level_support
-  - css.properties.resize.inline
diff --git a/features/rgb.yml b/features/rgb.yml
index fe2d70c7b13..61fc8bafee8 100644
--- a/features/rgb.yml
+++ b/features/rgb.yml
@@ -4,11 +4,3 @@ spec: https://drafts.csswg.org/css-color-4/#rgb-functions
 group: color-types
 status:
   compute_from: css.types.color.rgb.alpha_parameter
-compat_features:
-  - css.types.color.rgb
-  - css.types.color.rgb.alpha_parameter
-  - css.types.color.rgb.float_values
-  - css.types.color.rgb.mixed_type_parameters
-  - css.types.color.rgb.space_separated_parameters
-  - css.types.color.rgb_hexadecimal_notation
-  - css.types.color.rgb_hexadecimal_notation.alpha_hexadecimal_notation
diff --git a/features/ruby.yml b/features/ruby.yml
index c76a75a8c7f..32fe51f734c 100644
--- a/features/ruby.yml
+++ b/features/ruby.yml
@@ -8,7 +8,3 @@ group:
   - html
   - ruby
 caniuse: ruby
-compat_features:
-  - html.elements.rp
-  - html.elements.rt
-  - html.elements.ruby
diff --git a/features/s.yml b/features/s.yml
index 08ccb2509d8..f69b5504a81 100644
--- a/features/s.yml
+++ b/features/s.yml
@@ -2,5 +2,3 @@ name: <s>
 description: The `<s>` HTML element indicates text that is no longer relevant or accurate, styling text as strikethrough by default.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-s-element
 group: html-elements
-compat_features:
-  - html.elements.s
diff --git a/features/samp.yml b/features/samp.yml
index 298709a7fa4..69437a3ffc1 100644
--- a/features/samp.yml
+++ b/features/samp.yml
@@ -2,5 +2,3 @@ name: <samp>
 description: The `<small>` element represents side-comments and small print, like copyright and legal text, styling text in a reduced font size by default.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-samp-element
 group: html-elements
-compat_features:
-  - html.elements.samp
diff --git a/features/script.yml b/features/script.yml
index b3b707eefdd..087551c2a4d 100644
--- a/features/script.yml
+++ b/features/script.yml
@@ -4,21 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/scripting.html#script
 group: html-elements
 status:
   compute_from: html.elements.script
-compat_features:
-  - api.HTMLScriptElement
-  - api.HTMLScriptElement.async
-  - api.HTMLScriptElement.crossOrigin
-  - api.HTMLScriptElement.defer
-  - api.HTMLScriptElement.integrity
-  - api.HTMLScriptElement.src
-  - api.HTMLScriptElement.supports_static
-  - api.HTMLScriptElement.text
-  - api.HTMLScriptElement.type
-  - html.elements.script
-  - html.elements.script.async
-  - html.elements.script.crossorigin
-  - html.elements.script.defer
-  - html.elements.script.integrity
-  - html.elements.script.src
-  - html.elements.script.type
-  - html.elements.noscript
diff --git a/features/section.yml b/features/section.yml
index e827e90af2b..30eb2cfa4d2 100644
--- a/features/section.yml
+++ b/features/section.yml
@@ -4,5 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/sections.html#the-section-element
 group: html-elements
 # Note: <section> is part of https://caniuse.com/html5semantic but that feature
 # covers many unrelated elements and is therefore not linked here.
-compat_features:
-  - html.elements.section
diff --git a/features/select.yml b/features/select.yml
index 60a676c84d9..b08e189c79a 100644
--- a/features/select.yml
+++ b/features/select.yml
@@ -9,53 +9,3 @@ group:
   - html-elements
 status:
   compute_from: html.elements.select
-compat_features:
-  - api.HTMLOptGroupElement
-  - api.HTMLOptGroupElement.disabled
-  - api.HTMLOptGroupElement.label
-  - api.HTMLOptionElement
-  - api.HTMLOptionElement.Option
-  - api.HTMLOptionElement.defaultSelected
-  - api.HTMLOptionElement.disabled
-  - api.HTMLOptionElement.form
-  - api.HTMLOptionElement.index
-  - api.HTMLOptionElement.label
-  - api.HTMLOptionElement.selected
-  - api.HTMLOptionElement.text
-  - api.HTMLOptionElement.value
-  - api.HTMLSelectElement
-  - api.HTMLSelectElement.add
-  - api.HTMLSelectElement.add.index_before_parameter
-  - api.HTMLSelectElement.autocomplete
-  - api.HTMLSelectElement.disabled
-  - api.HTMLSelectElement.form
-  - api.HTMLSelectElement.item
-  - api.HTMLSelectElement.labels
-  - api.HTMLSelectElement.length
-  - api.HTMLSelectElement.multiple
-  - api.HTMLSelectElement.name
-  - api.HTMLSelectElement.namedItem
-  - api.HTMLSelectElement.options
-  - api.HTMLSelectElement.remove
-  - api.HTMLSelectElement.required
-  - api.HTMLSelectElement.selectedIndex
-  - api.HTMLSelectElement.selectedOptions
-  - api.HTMLSelectElement.size
-  - api.HTMLSelectElement.type
-  - api.HTMLSelectElement.value
-  - html.elements.optgroup
-  - html.elements.optgroup.disabled
-  - html.elements.optgroup.label
-  - html.elements.option
-  - html.elements.option.disabled
-  - html.elements.option.label
-  - html.elements.option.selected
-  - html.elements.option.value
-  - html.elements.select
-  - html.elements.select.disabled
-  - html.elements.select.form
-  - html.elements.select.hr_in_select
-  - html.elements.select.multiple
-  - html.elements.select.name
-  - html.elements.select.required
-  - html.elements.select.size
diff --git a/features/shared-memory.yml b/features/shared-memory.yml
index 0617c88ca65..a5d6939280d 100644
--- a/features/shared-memory.yml
+++ b/features/shared-memory.yml
@@ -5,23 +5,3 @@ spec:
   - https://tc39.es/ecma262/multipage/structured-data.html#sec-sharedarraybuffer-objects
   - https://tc39.es/ecma262/multipage/structured-data.html#sec-atomics-object
 group: javascript
-compat_features:
-  - javascript.builtins.Atomics
-  - javascript.builtins.Atomics.add
-  - javascript.builtins.Atomics.and
-  - javascript.builtins.Atomics.compareExchange
-  - javascript.builtins.Atomics.exchange
-  - javascript.builtins.Atomics.isLockFree
-  - javascript.builtins.Atomics.load
-  - javascript.builtins.Atomics.notify
-  - javascript.builtins.Atomics.or
-  - javascript.builtins.Atomics.store
-  - javascript.builtins.Atomics.sub
-  - javascript.builtins.Atomics.wait
-  - javascript.builtins.Atomics.xor
-  - javascript.builtins.DataView.DataView.sharedarraybuffer_support
-  - javascript.builtins.SharedArrayBuffer
-  - javascript.builtins.SharedArrayBuffer.SharedArrayBuffer
-  - javascript.builtins.SharedArrayBuffer.byteLength
-  - javascript.builtins.SharedArrayBuffer.slice
-  - javascript.builtins.SharedArrayBuffer.@@species
diff --git a/features/small.yml b/features/small.yml
index da1c21fe831..8f6ccc0b723 100644
--- a/features/small.yml
+++ b/features/small.yml
@@ -2,5 +2,3 @@ name: <small>
 description: The `<small>` element represents side-comments and small print, like copyright and legal text, independent of its styled presentation. Styled in a reduced font size by default.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-small-element
 group: html-elements
-compat_features:
-  - html.elements.small
diff --git a/features/source.yml b/features/source.yml
index a88be002010..d4d64ace5b9 100644
--- a/features/source.yml
+++ b/features/source.yml
@@ -6,14 +6,3 @@ group:
   - html-elements
 status:
   compute_from: html.elements.source
-compat_features:
-  - html.elements.source
-  - html.elements.source.height
-  - html.elements.source.media
-  # Included in srcset (see #1448)
-  # - html.elements.source.sizes
-  - html.elements.source.src
-  # Included in srcset (see #1448)
-  # - html.elements.source.srcset
-  - html.elements.source.type
-  - html.elements.source.width
diff --git a/features/span.yml b/features/span.yml
index b9cd394c111..d3ad648e607 100644
--- a/features/span.yml
+++ b/features/span.yml
@@ -4,6 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-span-
 group: html-elements
 status:
   compute_from: html.elements.span
-compat_features:
-  - api.HTMLSpanElement
-  - html.elements.span
diff --git a/features/state.yml b/features/state.yml
index 14749efed26..7e78703cfed 100644
--- a/features/state.yml
+++ b/features/state.yml
@@ -2,17 +2,3 @@ name: :state()
 description: The `:state()` CSS pseudo-class matches custom elements based on their custom state, set through the `ElementInternals.states` API.
 spec: https://html.spec.whatwg.org/multipage/custom-elements.html#custom-state-pseudo-class
 group: custom-elements
-compat_features:
-  - css.selectors.state
-  - api.CustomStateSet
-  - api.CustomStateSet.@@iterator
-  - api.CustomStateSet.add
-  - api.CustomStateSet.clear
-  - api.CustomStateSet.delete
-  - api.CustomStateSet.entries
-  - api.CustomStateSet.forEach
-  - api.CustomStateSet.has
-  - api.CustomStateSet.keys
-  - api.CustomStateSet.size
-  - api.CustomStateSet.values
-  - api.ElementInternals.states
diff --git a/features/string-at.yml b/features/string-at.yml
index 7e4b81c3ca7..fbc63e4109c 100644
--- a/features/string-at.yml
+++ b/features/string-at.yml
@@ -2,5 +2,3 @@ name: String at()
 description: The `at()` method of strings returns the character (one UTF-16 code unit) at an index, including negative indices for getting the character relative to the end of the string. Also known as the relative indexing method.
 spec: https://tc39.es/ecma262/multipage/text-processing.html#sec-string-objects
 group: string
-compat_features:
-  - javascript.builtins.String.at
diff --git a/features/string-codepoint.yml b/features/string-codepoint.yml
index 77f2b4f70c5..652ab17f3f4 100644
--- a/features/string-codepoint.yml
+++ b/features/string-codepoint.yml
@@ -2,6 +2,3 @@ name: String codePointAt() and fromCodePoint()
 description: The `codePointAt()` method returns the numeric value of the UTF-16 code point at an index of the string. The `fromCodePoint()` method returns a string created from one or more code points.
 spec: https://tc39.es/ecma262/multipage/text-processing.html#sec-string-objects
 group: string
-compat_features:
-  - javascript.builtins.String.codePointAt
-  - javascript.builtins.String.fromCodePoint
diff --git a/features/string-includes.yml b/features/string-includes.yml
index cd711aa836a..c29aab1dbaf 100644
--- a/features/string-includes.yml
+++ b/features/string-includes.yml
@@ -3,5 +3,3 @@ description: The `includes()` method of strings returns whether a search string
 spec: https://tc39.es/ecma262/multipage/text-processing.html#sec-string-objects
 group: string
 caniuse: es6-string-includes
-compat_features:
-  - javascript.builtins.String.includes
diff --git a/features/string-matchall.yml b/features/string-matchall.yml
index aa3f3602343..8a236101082 100644
--- a/features/string-matchall.yml
+++ b/features/string-matchall.yml
@@ -2,5 +2,3 @@ name: String matchAll()
 description: The `matchAll()` method of strings matches a string against a regular expression and returns an iterator of all results, including capturing groups.
 spec: https://tc39.es/ecma262/multipage/text-processing.html#sec-string-objects
 group: string
-compat_features:
-  - javascript.builtins.String.matchAll
diff --git a/features/string-normalize.yml b/features/string-normalize.yml
index b4f54fbd724..d35fa9843c6 100644
--- a/features/string-normalize.yml
+++ b/features/string-normalize.yml
@@ -2,5 +2,3 @@ name: String normalize()
 description: The `normalize()` method of strings returns a Unicode normal form of a string as a new string. More than one code point sequence can represent the same characters. You can use the `normalize()` method to find canonically or compatibly equivalent strings.
 spec: https://tc39.es/ecma262/multipage/text-processing.html#sec-string-objects
 group: string
-compat_features:
-  - javascript.builtins.String.normalize
diff --git a/features/string-pad.yml b/features/string-pad.yml
index aab853263e7..282592fbc49 100644
--- a/features/string-pad.yml
+++ b/features/string-pad.yml
@@ -3,6 +3,3 @@ description: The `padStart()` and `padEnd()` methods of strings return a string
 spec: https://tc39.es/ecma262/multipage/text-processing.html#sec-string-objects
 group: string
 caniuse: pad-start-end
-compat_features:
-  - javascript.builtins.String.padEnd
-  - javascript.builtins.String.padStart
diff --git a/features/string-raw.yml b/features/string-raw.yml
index 4d7b3d887a4..5adcde4d2b7 100644
--- a/features/string-raw.yml
+++ b/features/string-raw.yml
@@ -2,5 +2,3 @@ name: String raw()
 description: The `String.raw()` static method interpolates template literal substitutions, but ignores escape sequences. It is the tag function for template literals.
 spec: https://tc39.es/ecma262/multipage/text-processing.html#sec-string-objects
 group: string
-compat_features:
-  - javascript.builtins.String.raw
diff --git a/features/string-repeat.yml b/features/string-repeat.yml
index 6b24e4c9e04..208a4ce9b44 100644
--- a/features/string-repeat.yml
+++ b/features/string-repeat.yml
@@ -2,5 +2,3 @@ name: String repeat()
 description: The `repeat()` method of strings returns the original string repeated a number of times.
 spec: https://tc39.es/ecma262/multipage/text-processing.html#sec-string-objects
 group: string
-compat_features:
-  - javascript.builtins.String.repeat
diff --git a/features/string-replaceall.yml b/features/string-replaceall.yml
index 7e885f097b2..05a627cd5c0 100644
--- a/features/string-replaceall.yml
+++ b/features/string-replaceall.yml
@@ -2,5 +2,3 @@ name: String replaceAll()
 description: The `replaceAll()` method of strings returns a new string where all matches of a pattern (a string or regular expression) have been substituted with a replacement string.
 spec: https://tc39.es/ecma262/multipage/text-processing.html#sec-string-objects
 group: string
-compat_features:
-  - javascript.builtins.String.replaceAll
diff --git a/features/string-startsends-with.yml b/features/string-startsends-with.yml
index 45e23755a4c..cf7e5fda208 100644
--- a/features/string-startsends-with.yml
+++ b/features/string-startsends-with.yml
@@ -2,6 +2,3 @@ name: String startsWith() and endsWith()
 description: The `startsWith()` and `endsWith()` methods of strings returns whether a search string appears at the beginning or end of the provided string.
 spec: https://tc39.es/ecma262/multipage/text-processing.html#sec-string-objects
 group: string
-compat_features:
-  - javascript.builtins.String.endsWith
-  - javascript.builtins.String.startsWith
diff --git a/features/string-trim-startend.yml b/features/string-trim-startend.yml
index f24a6a9d2bd..65396b26e8d 100644
--- a/features/string-trim-startend.yml
+++ b/features/string-trim-startend.yml
@@ -2,6 +2,3 @@ name: String trimStart() and trimEnd()
 description: The `trimStart()` and `trimEnd()` methods of strings return a new string with whitespace removed from the beginning or end of the string.
 spec: https://tc39.es/ecma262/multipage/text-processing.html#sec-string-objects
 group: string
-compat_features:
-  - javascript.builtins.String.trimEnd
-  - javascript.builtins.String.trimStart
diff --git a/features/string-wellformed.yml b/features/string-wellformed.yml
index 2468d836520..262463fd987 100644
--- a/features/string-wellformed.yml
+++ b/features/string-wellformed.yml
@@ -2,6 +2,3 @@ name: String isWellFormed() and toWellFormed()
 description: The `isWellFormed()` method of strings returns a boolean indicating if the string contains any Unicode lone surrogates. The `toWellFormed()` method returns a new string where all lone surrogates are replaced by the Unicode replacement character.
 spec: https://tc39.es/ecma262/multipage/text-processing.html#sec-string-objects
 group: string
-compat_features:
-  - javascript.builtins.String.isWellFormed
-  - javascript.builtins.String.toWellFormed
diff --git a/features/strings.yml b/features/strings.yml
index ce876e3eb4b..420b641779a 100644
--- a/features/strings.yml
+++ b/features/strings.yml
@@ -4,27 +4,3 @@ spec: https://tc39.es/ecma262/multipage/text-processing.html#sec-string-objects
 group: primitive-types
 status:
   compute_from: javascript.builtins.String
-compat_features:
-  - javascript.builtins.String
-  - javascript.builtins.String.String
-  - javascript.builtins.String.charAt
-  - javascript.builtins.String.charCodeAt
-  - javascript.builtins.String.concat
-  - javascript.builtins.String.fromCharCode
-  - javascript.builtins.String.indexOf
-  - javascript.builtins.String.lastIndexOf
-  - javascript.builtins.String.length
-  - javascript.builtins.String.match
-  - javascript.builtins.String.replace
-  - javascript.builtins.String.search
-  - javascript.builtins.String.slice
-  - javascript.builtins.String.split
-  - javascript.builtins.String.substring
-  - javascript.builtins.String.toLowerCase
-  - javascript.builtins.String.toString
-  - javascript.builtins.String.toUpperCase
-  - javascript.builtins.String.trim
-  - javascript.builtins.String.unicode_code_point_escapes
-  - javascript.builtins.String.valueOf
-  - javascript.builtins.String.@@iterator
-  - javascript.grammar.string_literals
diff --git a/features/strong.yml b/features/strong.yml
index d6353af2326..bf87b08b5b9 100644
--- a/features/strong.yml
+++ b/features/strong.yml
@@ -2,5 +2,3 @@ name: <strong>
 description: The `<strong>` HTML element brings attention to the content, styling text as bold by default.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-strong-element
 group: html-elements
-compat_features:
-  - html.elements.strong
diff --git a/features/style.yml b/features/style.yml
index 349a595cda9..6b484ac4dc8 100644
--- a/features/style.yml
+++ b/features/style.yml
@@ -4,9 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/semantics.html#the-style-element
 group: html-elements
 status:
   compute_from: html.elements.style
-compat_features:
-  - api.HTMLStyleElement
-  - api.HTMLStyleElement.disabled
-  - api.HTMLStyleElement.media
-  - html.elements.style
-  - html.elements.style.media
diff --git a/features/sub-sup.yml b/features/sub-sup.yml
index a7928c49ee6..7494fb5912e 100644
--- a/features/sub-sup.yml
+++ b/features/sub-sup.yml
@@ -4,6 +4,3 @@ spec:
   - https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-sub-element
   - https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-sup-element
 group: html-elements
-compat_features:
-  - html.elements.sub
-  - html.elements.sup
diff --git a/features/supports.yml b/features/supports.yml
index 82da152dbe0..f935d86c930 100644
--- a/features/supports.yml
+++ b/features/supports.yml
@@ -5,12 +5,5 @@ caniuse: css-featurequeries
 group: css
 status:
   compute_from: css.at-rules.supports
-compat_features:
-  # TODO: see discussion on https://github.com/web-platform-dx/web-features/pull/1353#discussion_r1673871428
-  # - api.CSSImportRule.supportsText
-  - api.CSSSupportsRule
-  - css.at-rules.import.supports
-  - css.at-rules.supports
-  - css.at-rules.supports.font-format
-  - css.at-rules.supports.font-tech
-  - css.at-rules.supports.selector
+# TODO: see discussion on https://github.com/web-platform-dx/web-features/pull/1353#discussion_r1673871428
+# - api.CSSImportRule.supportsText
diff --git a/features/system-color.yml b/features/system-color.yml
index 7dbe2b0bacc..616050892cf 100644
--- a/features/system-color.yml
+++ b/features/system-color.yml
@@ -4,7 +4,3 @@ spec: https://drafts.csswg.org/css-color-4/#css-system-colors
 group: color-types
 status:
   compute_from: css.types.color.system-color
-compat_features:
-  - css.types.color.system-color
-  - css.types.color.system-color.accentcolor_accentcolortext
-  - css.types.color.system-color.mark_marktext_buttonborder
diff --git a/features/tab-size.yml b/features/tab-size.yml
index 49af077fd64..8780f03bae0 100644
--- a/features/tab-size.yml
+++ b/features/tab-size.yml
@@ -3,6 +3,3 @@ description: The `tab-size` CSS property sets the width of the tab character.
 spec: https://drafts.csswg.org/css-text-4/#tab-size-property
 caniuse: css3-tabsize
 group: white-space
-compat_features:
-  - css.properties.tab-size
-  - css.properties.tab-size.length
diff --git a/features/table.yml b/features/table.yml
index 2fea4a4da86..27f7eaff4c2 100644
--- a/features/table.yml
+++ b/features/table.yml
@@ -4,65 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/tables.html
 status:
   compute_from: html.elements.table
 group: html-elements
-compat_features:
-  - api.HTMLTableCaptionElement
-  - api.HTMLTableCellElement
-  - api.HTMLTableCellElement.abbr
-  - api.HTMLTableCellElement.cellIndex
-  - api.HTMLTableCellElement.colSpan
-  - api.HTMLTableCellElement.headers
-  - api.HTMLTableCellElement.rowSpan
-  - api.HTMLTableCellElement.scope
-  - api.HTMLTableColElement
-  - api.HTMLTableColElement.span
-  - api.HTMLTableElement
-  - api.HTMLTableElement.caption
-  - api.HTMLTableElement.createCaption
-  - api.HTMLTableElement.createTBody
-  - api.HTMLTableElement.createTFoot
-  - api.HTMLTableElement.createTHead
-  - api.HTMLTableElement.deleteCaption
-  - api.HTMLTableElement.deleteRow
-  - api.HTMLTableElement.deleteTFoot
-  - api.HTMLTableElement.deleteTHead
-  - api.HTMLTableElement.insertRow
-  - api.HTMLTableElement.rows
-  - api.HTMLTableElement.tBodies
-  - api.HTMLTableElement.tFoot
-  - api.HTMLTableElement.tHead
-  - api.HTMLTableRowElement
-  - api.HTMLTableRowElement.cells
-  - api.HTMLTableRowElement.deleteCell
-  - api.HTMLTableRowElement.insertCell
-  - api.HTMLTableRowElement.insertCell.index_parameter_negative_one
-  - api.HTMLTableRowElement.insertCell.index_parameter_optional
-  - api.HTMLTableRowElement.rowIndex
-  - api.HTMLTableRowElement.sectionRowIndex
-  - api.HTMLTableSectionElement
-  - api.HTMLTableSectionElement.deleteRow
-  - api.HTMLTableSectionElement.insertRow
-  - api.HTMLTableSectionElement.rows
-  - html.elements.caption
-  - html.elements.col
-  - html.elements.col.span
-  - html.elements.colgroup
-  - html.elements.colgroup.span
-  - html.elements.table
-  - html.elements.tbody
-  - html.elements.td
-  - html.elements.td.colspan
-  - html.elements.td.headers
-  - html.elements.td.rowspan
-  # Excluded because of a non-real value
-  # - html.elements.td.rowspan.rowspan_zero
-  - html.elements.tfoot
-  - html.elements.th
-  - html.elements.th.abbr
-  - html.elements.th.colspan
-  - html.elements.th.headers
-  - html.elements.th.rowspan
-  # Excluded because of a non-real value
-  # - html.elements.th.rowspan.rowspan_zero
-  - html.elements.th.scope
-  - html.elements.thead
-  - html.elements.tr
diff --git a/features/text-tracks.yml b/features/text-tracks.yml
index c780ffe3ab2..3e5690eefc8 100644
--- a/features/text-tracks.yml
+++ b/features/text-tracks.yml
@@ -6,51 +6,3 @@ group:
   - html-elements
 status:
   compute_from: html.elements.track
-compat_features:
-  - api.HTMLMediaElement.addTextTrack
-  - api.HTMLTrackElement
-  - api.HTMLTrackElement.cuechange_event
-  - api.HTMLTrackElement.default
-  - api.HTMLTrackElement.kind
-  - api.HTMLTrackElement.label
-  - api.HTMLTrackElement.readyState
-  - api.HTMLTrackElement.src
-  - api.HTMLTrackElement.srclang
-  - api.HTMLTrackElement.track
-  - api.TextTrack
-  - api.TextTrack.activeCues
-  - api.TextTrack.addCue
-  - api.TextTrack.cuechange_event
-  - api.TextTrack.cues
-  - api.TextTrack.id
-  - api.TextTrack.inBandMetadataTrackDispatchType
-  - api.TextTrack.kind
-  - api.TextTrack.label
-  - api.TextTrack.language
-  - api.TextTrack.mode
-  - api.TextTrack.removeCue
-  - api.TextTrackCue
-  - api.TextTrackCue.endTime
-  - api.TextTrackCue.enter_event
-  - api.TextTrackCue.exit_event
-  - api.TextTrackCue.id
-  - api.TextTrackCue.pauseOnExit
-  - api.TextTrackCue.startTime
-  - api.TextTrackCue.track
-  - api.TextTrackCueList
-  - api.TextTrackCueList.getCueById
-  - api.TextTrackCueList.length
-  - api.TextTrackList
-  - api.TextTrackList.addtrack_event
-  - api.TextTrackList.change_event
-  - api.TextTrackList.getTrackById
-  - api.TextTrackList.length
-  - api.TextTrackList.removetrack_event
-  - html.elements.track
-  - html.elements.track.default
-  - html.elements.track.kind
-  - html.elements.track.label
-  - html.elements.track.src
-  # Excluded because of a non-real value
-  # - html.elements.track.src.settable_src
-  - html.elements.track.srclang
diff --git a/features/textarea.yml b/features/textarea.yml
index 868e9a3a846..3b7fbd234aa 100644
--- a/features/textarea.yml
+++ b/features/textarea.yml
@@ -6,45 +6,3 @@ group:
   - html-elements
 status:
   compute_from: html.elements.textarea
-compat_features:
-  - api.HTMLTextAreaElement
-  - api.HTMLTextAreaElement.autocomplete
-  - api.HTMLTextAreaElement.cols
-  - api.HTMLTextAreaElement.defaultValue
-  - api.HTMLTextAreaElement.disabled
-  - api.HTMLTextAreaElement.form
-  - api.HTMLTextAreaElement.labels
-  - api.HTMLTextAreaElement.maxLength
-  - api.HTMLTextAreaElement.minLength
-  - api.HTMLTextAreaElement.name
-  - api.HTMLTextAreaElement.placeholder
-  - api.HTMLTextAreaElement.readOnly
-  - api.HTMLTextAreaElement.required
-  - api.HTMLTextAreaElement.rows
-  - api.HTMLTextAreaElement.select
-  - api.HTMLTextAreaElement.select_event
-  - api.HTMLTextAreaElement.selectionDirection
-  - api.HTMLTextAreaElement.selectionEnd
-  - api.HTMLTextAreaElement.selectionStart
-  - api.HTMLTextAreaElement.setRangeText
-  - api.HTMLTextAreaElement.setSelectionRange
-  - api.HTMLTextAreaElement.textLength
-  - api.HTMLTextAreaElement.type
-  - api.HTMLTextAreaElement.value
-  - api.HTMLTextAreaElement.wrap
-  - html.elements.textarea
-  - html.elements.textarea.autocomplete
-  - html.elements.textarea.cols
-  - html.elements.textarea.disabled
-  - html.elements.textarea.form
-  - html.elements.textarea.maxlength
-  - html.elements.textarea.minlength
-  - html.elements.textarea.name
-  - html.elements.textarea.placeholder
-  - html.elements.textarea.placeholder.line_breaks
-  - html.elements.textarea.readonly
-  - html.elements.textarea.required
-  - html.elements.textarea.rows
-  - html.elements.textarea.spellcheck
-  - html.elements.textarea.wrap
-  - html.elements.textarea.wrap.hard
diff --git a/features/time.yml b/features/time.yml
index f1174bb6a75..8d6b55a3018 100644
--- a/features/time.yml
+++ b/features/time.yml
@@ -4,8 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-time-
 group: html-elements
 # Note: <time> is part of https://caniuse.com/html5semantic but that feature
 # covers many unrelated elements and is therefore not linked here.
-compat_features:
-  - api.HTMLTimeElement
-  - api.HTMLTimeElement.dateTime
-  - html.elements.time
-  - html.elements.time.datetime
diff --git a/features/title.yml b/features/title.yml
index 6dbd2520841..1601a97280e 100644
--- a/features/title.yml
+++ b/features/title.yml
@@ -4,7 +4,3 @@ spec: https://html.spec.whatwg.org/multipage/semantics.html#the-title-element
 group: html-elements
 status:
   compute_from: html.elements.title
-compat_features:
-  - api.HTMLTitleElement
-  - api.HTMLTitleElement.text
-  - html.elements.title
diff --git a/features/u.yml b/features/u.yml
index 73e760afcaa..72805600421 100644
--- a/features/u.yml
+++ b/features/u.yml
@@ -2,5 +2,3 @@ name: <u>
 description: The `<u>` HTML element makes non-textual annotations, styling text as underlined by default.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-u-element
 group: html-elements
-compat_features:
-  - html.elements.u
diff --git a/features/urlpattern.yml b/features/urlpattern.yml
index dbc7291d1a5..1a3633a7107 100644
--- a/features/urlpattern.yml
+++ b/features/urlpattern.yml
@@ -3,18 +3,3 @@ description: The `URLPattern` API creates patterns that can be matched against U
 spec: https://urlpattern.spec.whatwg.org/
 status:
   compute_from: api.URLPattern.URLPattern
-compat_features:
-  - api.URLPattern
-  - api.URLPattern.URLPattern
-  - api.URLPattern.hash
-  - api.URLPattern.hostname
-  - api.URLPattern.password
-  - api.URLPattern.pathname
-  - api.URLPattern.port
-  - api.URLPattern.protocol
-  - api.URLPattern.search
-  - api.URLPattern.username
-  - api.URLPattern.exec
-  - api.URLPattern.test
-  - api.URLPattern.URLPattern.ignoreCase_option
-  - api.URLPattern.hasRegExpGroups
diff --git a/features/user-select.yml b/features/user-select.yml
index 02202dd4531..e13fe00c76f 100644
--- a/features/user-select.yml
+++ b/features/user-select.yml
@@ -3,9 +3,3 @@ description: The `user-select` CSS property controls which elements can be selec
 spec: https://drafts.csswg.org/css-ui-4/#content-selection
 caniuse: user-select-none
 group: css
-compat_features:
-  - css.properties.user-select
-  - css.properties.user-select.all
-  - css.properties.user-select.auto
-  - css.properties.user-select.none
-  - css.properties.user-select.text
diff --git a/features/var.yml b/features/var.yml
index 76e891c4ae5..65ae52c2c6e 100644
--- a/features/var.yml
+++ b/features/var.yml
@@ -2,5 +2,3 @@ name: <var>
 description: The `<var>` element represents the name of a variable in a mathematical expression or a programming context.
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-var-element
 group: html-elements
-compat_features:
-  - html.elements.var
diff --git a/features/video.yml b/features/video.yml
index f96d7a34041..fd052b8c445 100644
--- a/features/video.yml
+++ b/features/video.yml
@@ -7,73 +7,3 @@ group:
 caniuse: video
 status:
   compute_from: html.elements.video
-compat_features:
-  - api.HTMLMediaElement
-  - api.HTMLMediaElement.abort_event
-  - api.HTMLMediaElement.autoplay
-  - api.HTMLMediaElement.buffered
-  - api.HTMLMediaElement.canplay_event
-  - api.HTMLMediaElement.canplaythrough_event
-  - api.HTMLMediaElement.canPlayType
-  - api.HTMLMediaElement.controls
-  - api.HTMLMediaElement.crossOrigin
-  - api.HTMLMediaElement.currentSrc
-  - api.HTMLMediaElement.currentTime
-  - api.HTMLMediaElement.defaultMuted
-  - api.HTMLMediaElement.defaultPlaybackRate
-  - api.HTMLMediaElement.duration
-  - api.HTMLMediaElement.durationchange_event
-  - api.HTMLMediaElement.emptied_event
-  - api.HTMLMediaElement.ended
-  - api.HTMLMediaElement.ended_event
-  - api.HTMLMediaElement.error
-  - api.HTMLMediaElement.error_event
-  - api.HTMLMediaElement.load
-  - api.HTMLMediaElement.loadeddata_event
-  - api.HTMLMediaElement.loadedmetadata_event
-  - api.HTMLMediaElement.loadstart_event
-  - api.HTMLMediaElement.loop
-  - api.HTMLMediaElement.muted
-  - api.HTMLMediaElement.networkState
-  - api.HTMLMediaElement.pause
-  - api.HTMLMediaElement.pause_event
-  - api.HTMLMediaElement.paused
-  - api.HTMLMediaElement.play
-  - api.HTMLMediaElement.play_event
-  - api.HTMLMediaElement.play.returns_promise
-  - api.HTMLMediaElement.playbackRate
-  - api.HTMLMediaElement.played
-  - api.HTMLMediaElement.playing_event
-  - api.HTMLMediaElement.preload
-  - api.HTMLMediaElement.progress_event
-  - api.HTMLMediaElement.ratechange_event
-  - api.HTMLMediaElement.readyState
-  - api.HTMLMediaElement.seekable
-  - api.HTMLMediaElement.seeked_event
-  - api.HTMLMediaElement.seeking
-  - api.HTMLMediaElement.seeking_event
-  - api.HTMLMediaElement.src
-  - api.HTMLMediaElement.stalled_event
-  - api.HTMLMediaElement.suspend_event
-  - api.HTMLMediaElement.timeupdate_event
-  - api.HTMLMediaElement.volume
-  - api.HTMLMediaElement.volumechange_event
-  - api.HTMLMediaElement.waiting_event
-  - api.HTMLVideoElement
-  - api.HTMLVideoElement.height
-  - api.HTMLVideoElement.poster
-  - api.HTMLVideoElement.resize_event
-  - api.HTMLVideoElement.videoHeight
-  - api.HTMLVideoElement.videoWidth
-  - api.HTMLVideoElement.width
-  - html.elements.video
-  - html.elements.video.autoplay
-  - html.elements.video.controls
-  - html.elements.video.crossorigin
-  - html.elements.video.height
-  - html.elements.video.loop
-  - html.elements.video.muted
-  - html.elements.video.poster
-  - html.elements.video.preload
-  - html.elements.video.src
-  - html.elements.video.width
diff --git a/features/wbr.yml b/features/wbr.yml
index f4ca208c366..99dc57bd5b8 100644
--- a/features/wbr.yml
+++ b/features/wbr.yml
@@ -3,5 +3,3 @@ description: The `<wbr>` HTML element represents a word break opportunity, to ex
 spec: https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-wbr-element
 group: html-elements
 caniuse: wbr-element
-compat_features:
-  - html.elements.wbr
diff --git a/features/weak-references.yml b/features/weak-references.yml
index a06e816a1e9..78d24661ade 100644
--- a/features/weak-references.yml
+++ b/features/weak-references.yml
@@ -4,11 +4,3 @@ spec:
   - https://tc39.es/ecma262/multipage/managing-memory.html#sec-managing-memory
 snapshot: ecmascript-2021
 group: javascript
-compat_features:
-  - javascript.builtins.FinalizationRegistry
-  - javascript.builtins.FinalizationRegistry.FinalizationRegistry
-  - javascript.builtins.FinalizationRegistry.register
-  - javascript.builtins.FinalizationRegistry.unregister
-  - javascript.builtins.WeakRef
-  - javascript.builtins.WeakRef.WeakRef
-  - javascript.builtins.WeakRef.deref
diff --git a/features/weakmap.yml b/features/weakmap.yml
index 33369549725..e2701afdb43 100644
--- a/features/weakmap.yml
+++ b/features/weakmap.yml
@@ -4,13 +4,3 @@ spec: https://tc39.es/ecma262/multipage/keyed-collections.html#sec-weakmap-objec
 group: collections
 status:
   compute_from: javascript.builtins.WeakMap
-compat_features:
-  - javascript.builtins.WeakMap
-  - javascript.builtins.WeakMap.WeakMap
-  - javascript.builtins.WeakMap.WeakMap.iterable_allowed
-  - javascript.builtins.WeakMap.WeakMap.null_allowed
-  - javascript.builtins.WeakMap.delete
-  - javascript.builtins.WeakMap.get
-  - javascript.builtins.WeakMap.has
-  - javascript.builtins.WeakMap.set
-  - javascript.builtins.WeakMap.symbol_as_keys
diff --git a/features/weakset.yml b/features/weakset.yml
index 0b4b29c68ae..70353931b21 100644
--- a/features/weakset.yml
+++ b/features/weakset.yml
@@ -4,12 +4,3 @@ spec: https://tc39.es/ecma262/multipage/keyed-collections.html#sec-weakset-objec
 group: collections
 status:
   compute_from: javascript.builtins.WeakSet
-compat_features:
-  - javascript.builtins.WeakSet
-  - javascript.builtins.WeakSet.WeakSet
-  - javascript.builtins.WeakSet.WeakSet.iterable_allowed
-  - javascript.builtins.WeakSet.WeakSet.null_allowed
-  - javascript.builtins.WeakSet.add
-  - javascript.builtins.WeakSet.delete
-  - javascript.builtins.WeakSet.has
-  - javascript.builtins.WeakSet.symbol_as_keys
diff --git a/features/web-otp.yml b/features/web-otp.yml
index 7ff13ed8de1..04d34eb10c2 100644
--- a/features/web-otp.yml
+++ b/features/web-otp.yml
@@ -4,8 +4,3 @@ spec: https://wicg.github.io/web-otp/
 group: credential-management
 status:
   compute_from: api.CredentialsContainer.get.otp_option
-compat_features:
-  - api.CredentialsContainer.get.otp_option
-  - api.OTPCredential
-  - api.OTPCredential.code
-  - http.headers.Permissions-Policy.otp-credentials
diff --git a/features/webdriver.yml b/features/webdriver.yml
index da8534d9657..c40754af9b8 100644
--- a/features/webdriver.yml
+++ b/features/webdriver.yml
@@ -2,60 +2,3 @@ name: WebDriver
 description: The WebDriver interface allows out-of-process programs to inspect and control browsers to, for example, run tests of web applications. Also known as WebDriver classic.
 spec: https://w3c.github.io/webdriver/
 group: webdriver
-compat_features:
-  - api.Navigator.webdriver
-  - webdriver.commands.AcceptAlert
-  - webdriver.commands.AddCookie
-  - webdriver.commands.Back
-  - webdriver.commands.CloseWindow
-  - webdriver.commands.DeleteAllCookies
-  - webdriver.commands.DeleteCookie
-  - webdriver.commands.DeleteSession
-  - webdriver.commands.DismissAlert
-  - webdriver.commands.ElementClear
-  - webdriver.commands.ElementClick
-  - webdriver.commands.ElementSendKeys
-  - webdriver.commands.ExecuteAsyncScript
-  - webdriver.commands.ExecuteScript
-  - webdriver.commands.FindElement
-  - webdriver.commands.FindElementFromElement
-  - webdriver.commands.FindElements
-  - webdriver.commands.FindElementsFromElement
-  - webdriver.commands.Forward
-  - webdriver.commands.FullscreenWindow
-  - webdriver.commands.GetActiveElement
-  - webdriver.commands.GetAlertText
-  - webdriver.commands.GetAllCookies
-  - webdriver.commands.GetCurrentURL
-  - webdriver.commands.GetElementAttribute
-  - webdriver.commands.GetElementCSSValue
-  - webdriver.commands.GetElementProperty
-  - webdriver.commands.GetElementRect
-  - webdriver.commands.GetElementTagName
-  - webdriver.commands.GetElementText
-  - webdriver.commands.GetNamedCookie
-  - webdriver.commands.GetPageSource
-  - webdriver.commands.GetTimeouts
-  - webdriver.commands.GetTitle
-  - webdriver.commands.GetWindowHandle
-  - webdriver.commands.GetWindowHandles
-  - webdriver.commands.GetWindowRect
-  - webdriver.commands.IsElementEnabled
-  - webdriver.commands.IsElementSelected
-  - webdriver.commands.MaximizeWindow
-  - webdriver.commands.MinimizeWindow
-  - webdriver.commands.NavigateTo
-  - webdriver.commands.NewSession
-  - webdriver.commands.NewWindow
-  - webdriver.commands.PerformActions
-  - webdriver.commands.Refresh
-  - webdriver.commands.ReleaseActions
-  - webdriver.commands.SendAlertText
-  - webdriver.commands.SetTimeouts
-  - webdriver.commands.SetWindowRect
-  - webdriver.commands.Status
-  - webdriver.commands.SwitchToFrame
-  - webdriver.commands.SwitchToParentFrame
-  - webdriver.commands.SwitchToWindow
-  - webdriver.commands.TakeElementScreenshot
-  - webdriver.commands.TakeScreenshot
diff --git a/features/webgl-color-management.yml b/features/webgl-color-management.yml
index f46e50afe3b..d9522a7adab 100644
--- a/features/webgl-color-management.yml
+++ b/features/webgl-color-management.yml
@@ -6,6 +6,3 @@ spec:
 group: webgl
 status:
   compute_from: api.WebGLRenderingContext.drawingBufferColorSpace
-compat_features:
-  - api.WebGLRenderingContext.drawingBufferColorSpace
-  - api.WebGLRenderingContext.unpackColorSpace
diff --git a/features/webgl-desynchronized.yml b/features/webgl-desynchronized.yml
index 49398f21a6c..46ba11b1b99 100644
--- a/features/webgl-desynchronized.yml
+++ b/features/webgl-desynchronized.yml
@@ -2,5 +2,3 @@ name: Desynchronized WebGL canvas
 description: The optional `desynchronized` parameter of a canvas's `getContext()` method permits the browser to draw a WebGL canvas independently of the event loop. This can reduce drawing latency.
 spec: https://registry.khronos.org/webgl/specs/latest/1.0/#5.2.1
 group: webgl
-compat_features:
-  - api.HTMLCanvasElement.getContext.webgl_context.options_desynchronized_parameter
diff --git a/features/webgl2-color-management.yml b/features/webgl2-color-management.yml
index 637878c414d..d369e077423 100644
--- a/features/webgl2-color-management.yml
+++ b/features/webgl2-color-management.yml
@@ -3,6 +3,3 @@ description: The `drawingBufferColorSpace` and `unpackColorSpace` properties of
 spec: https://registry.khronos.org/webgl/specs/latest/2.0/
 status:
   compute_from: api.WebGL2RenderingContext.drawingBufferColorSpace
-compat_features:
-  - api.WebGL2RenderingContext.drawingBufferColorSpace
-  - api.WebGL2RenderingContext.unpackColorSpace
diff --git a/features/webgl2-desynchronized.yml b/features/webgl2-desynchronized.yml
index 9b34ab529c2..50e969df26d 100644
--- a/features/webgl2-desynchronized.yml
+++ b/features/webgl2-desynchronized.yml
@@ -1,5 +1,3 @@
 name: Desynchronized WebGL2 canvas
 description: The optional `desynchronized` parameter of a canvas's `getContext()` method permits the browser to draw a WebGL2 canvas independently of the event loop. This can reduce drawing latency.
 spec: https://registry.khronos.org/webgl/specs/latest/2.0/
-compat_features:
-  - api.HTMLCanvasElement.getContext.webgl2_context.options_desynchronized_parameter
diff --git a/features/webgl2.yml b/features/webgl2.yml
index abd6bd41982..b99f56cbc41 100644
--- a/features/webgl2.yml
+++ b/features/webgl2.yml
@@ -4,242 +4,3 @@ caniuse: webgl2
 spec: https://registry.khronos.org/webgl/specs/latest/2.0/
 status:
   compute_from: api.WebGL2RenderingContext
-compat_features:
-  - api.HTMLCanvasElement.getContext.webgl2_context.options_alpha_parameter
-  - api.HTMLCanvasElement.getContext.webgl2_context.options_failIfMajorPerformanceCaveat_parameter
-  - api.HTMLCanvasElement.getContext.webgl2_context.options_powerPreference_parameter
-  - api.WebGL2RenderingContext
-  - api.WebGL2RenderingContext.activeTexture
-  - api.WebGL2RenderingContext.attachShader
-  - api.WebGL2RenderingContext.beginQuery
-  - api.WebGL2RenderingContext.beginTransformFeedback
-  - api.WebGL2RenderingContext.bindAttribLocation
-  - api.WebGL2RenderingContext.bindBuffer
-  - api.WebGL2RenderingContext.bindBufferBase
-  - api.WebGL2RenderingContext.bindBufferRange
-  - api.WebGL2RenderingContext.bindFramebuffer
-  - api.WebGL2RenderingContext.bindRenderbuffer
-  - api.WebGL2RenderingContext.bindSampler
-  - api.WebGL2RenderingContext.bindTexture
-  - api.WebGL2RenderingContext.bindTransformFeedback
-  - api.WebGL2RenderingContext.bindVertexArray
-  - api.WebGL2RenderingContext.blendColor
-  - api.WebGL2RenderingContext.blendEquation
-  - api.WebGL2RenderingContext.blendEquationSeparate
-  - api.WebGL2RenderingContext.blendFunc
-  - api.WebGL2RenderingContext.blendFuncSeparate
-  - api.WebGL2RenderingContext.blitFramebuffer
-  - api.WebGL2RenderingContext.bufferData
-  - api.WebGL2RenderingContext.bufferSubData
-  - api.WebGL2RenderingContext.canvas
-  - api.WebGL2RenderingContext.checkFramebufferStatus
-  - api.WebGL2RenderingContext.clear
-  - api.WebGL2RenderingContext.clearBufferfi
-  - api.WebGL2RenderingContext.clearBufferfv
-  - api.WebGL2RenderingContext.clearBufferiv
-  - api.WebGL2RenderingContext.clearBufferuiv
-  - api.WebGL2RenderingContext.clearColor
-  - api.WebGL2RenderingContext.clearDepth
-  - api.WebGL2RenderingContext.clearStencil
-  - api.WebGL2RenderingContext.clientWaitSync
-  - api.WebGL2RenderingContext.colorMask
-  - api.WebGL2RenderingContext.compileShader
-  - api.WebGL2RenderingContext.compressedTexImage2D
-  - api.WebGL2RenderingContext.compressedTexImage3D
-  - api.WebGL2RenderingContext.compressedTexSubImage2D
-  - api.WebGL2RenderingContext.compressedTexSubImage3D
-  - api.WebGL2RenderingContext.copyBufferSubData
-  - api.WebGL2RenderingContext.copyTexImage2D
-  - api.WebGL2RenderingContext.copyTexSubImage2D
-  - api.WebGL2RenderingContext.copyTexSubImage3D
-  - api.WebGL2RenderingContext.createBuffer
-  - api.WebGL2RenderingContext.createFramebuffer
-  - api.WebGL2RenderingContext.createProgram
-  - api.WebGL2RenderingContext.createQuery
-  - api.WebGL2RenderingContext.createRenderbuffer
-  - api.WebGL2RenderingContext.createSampler
-  - api.WebGL2RenderingContext.createShader
-  - api.WebGL2RenderingContext.createTexture
-  - api.WebGL2RenderingContext.createTransformFeedback
-  - api.WebGL2RenderingContext.createVertexArray
-  - api.WebGL2RenderingContext.cullFace
-  - api.WebGL2RenderingContext.deleteBuffer
-  - api.WebGL2RenderingContext.deleteFramebuffer
-  - api.WebGL2RenderingContext.deleteProgram
-  - api.WebGL2RenderingContext.deleteQuery
-  - api.WebGL2RenderingContext.deleteRenderbuffer
-  - api.WebGL2RenderingContext.deleteSampler
-  - api.WebGL2RenderingContext.deleteShader
-  - api.WebGL2RenderingContext.deleteSync
-  - api.WebGL2RenderingContext.deleteTexture
-  - api.WebGL2RenderingContext.deleteTransformFeedback
-  - api.WebGL2RenderingContext.deleteVertexArray
-  - api.WebGL2RenderingContext.depthFunc
-  - api.WebGL2RenderingContext.depthMask
-  - api.WebGL2RenderingContext.depthRange
-  - api.WebGL2RenderingContext.detachShader
-  - api.WebGL2RenderingContext.disable
-  - api.WebGL2RenderingContext.disableVertexAttribArray
-  - api.WebGL2RenderingContext.drawArrays
-  - api.WebGL2RenderingContext.drawArraysInstanced
-  - api.WebGL2RenderingContext.drawBuffers
-  - api.WebGL2RenderingContext.drawElements
-  - api.WebGL2RenderingContext.drawElementsInstanced
-  - api.WebGL2RenderingContext.drawingBufferFormat
-  - api.WebGL2RenderingContext.drawingBufferHeight
-  - api.WebGL2RenderingContext.drawingBufferStorage
-  - api.WebGL2RenderingContext.drawingBufferWidth
-  - api.WebGL2RenderingContext.drawRangeElements
-  - api.WebGL2RenderingContext.enable
-  - api.WebGL2RenderingContext.enableVertexAttribArray
-  - api.WebGL2RenderingContext.endQuery
-  - api.WebGL2RenderingContext.endTransformFeedback
-  - api.WebGL2RenderingContext.fenceSync
-  - api.WebGL2RenderingContext.finish
-  - api.WebGL2RenderingContext.flush
-  - api.WebGL2RenderingContext.framebufferRenderbuffer
-  - api.WebGL2RenderingContext.framebufferTexture2D
-  - api.WebGL2RenderingContext.framebufferTextureLayer
-  - api.WebGL2RenderingContext.frontFace
-  - api.WebGL2RenderingContext.generateMipmap
-  - api.WebGL2RenderingContext.getActiveAttrib
-  - api.WebGL2RenderingContext.getActiveUniform
-  - api.WebGL2RenderingContext.getActiveUniformBlockName
-  - api.WebGL2RenderingContext.getActiveUniformBlockParameter
-  - api.WebGL2RenderingContext.getActiveUniforms
-  - api.WebGL2RenderingContext.getAttachedShaders
-  - api.WebGL2RenderingContext.getAttribLocation
-  - api.WebGL2RenderingContext.getBufferParameter
-  - api.WebGL2RenderingContext.getBufferSubData
-  - api.WebGL2RenderingContext.getContextAttributes
-  - api.WebGL2RenderingContext.getError
-  - api.WebGL2RenderingContext.getExtension
-  - api.WebGL2RenderingContext.getFragDataLocation
-  - api.WebGL2RenderingContext.getFramebufferAttachmentParameter
-  - api.WebGL2RenderingContext.getIndexedParameter
-  - api.WebGL2RenderingContext.getInternalformatParameter
-  - api.WebGL2RenderingContext.getParameter
-  - api.WebGL2RenderingContext.getProgramInfoLog
-  - api.WebGL2RenderingContext.getProgramParameter
-  - api.WebGL2RenderingContext.getQuery
-  - api.WebGL2RenderingContext.getQueryParameter
-  - api.WebGL2RenderingContext.getRenderbufferParameter
-  - api.WebGL2RenderingContext.getSamplerParameter
-  - api.WebGL2RenderingContext.getShaderInfoLog
-  - api.WebGL2RenderingContext.getShaderParameter
-  - api.WebGL2RenderingContext.getShaderPrecisionFormat
-  - api.WebGL2RenderingContext.getShaderSource
-  - api.WebGL2RenderingContext.getSupportedExtensions
-  - api.WebGL2RenderingContext.getSyncParameter
-  - api.WebGL2RenderingContext.getTexParameter
-  - api.WebGL2RenderingContext.getTransformFeedbackVarying
-  - api.WebGL2RenderingContext.getUniform
-  - api.WebGL2RenderingContext.getUniformBlockIndex
-  - api.WebGL2RenderingContext.getUniformIndices
-  - api.WebGL2RenderingContext.getUniformLocation
-  - api.WebGL2RenderingContext.getVertexAttrib
-  - api.WebGL2RenderingContext.getVertexAttribOffset
-  - api.WebGL2RenderingContext.hint
-  - api.WebGL2RenderingContext.invalidateFramebuffer
-  - api.WebGL2RenderingContext.invalidateSubFramebuffer
-  - api.WebGL2RenderingContext.isBuffer
-  - api.WebGL2RenderingContext.isContextLost
-  - api.WebGL2RenderingContext.isEnabled
-  - api.WebGL2RenderingContext.isFramebuffer
-  - api.WebGL2RenderingContext.isProgram
-  - api.WebGL2RenderingContext.isQuery
-  - api.WebGL2RenderingContext.isRenderbuffer
-  - api.WebGL2RenderingContext.isSampler
-  - api.WebGL2RenderingContext.isShader
-  - api.WebGL2RenderingContext.isSync
-  - api.WebGL2RenderingContext.isTexture
-  - api.WebGL2RenderingContext.isTransformFeedback
-  - api.WebGL2RenderingContext.isVertexArray
-  - api.WebGL2RenderingContext.lineWidth
-  - api.WebGL2RenderingContext.linkProgram
-  - api.WebGL2RenderingContext.pauseTransformFeedback
-  - api.WebGL2RenderingContext.pixelStorei
-  - api.WebGL2RenderingContext.polygonOffset
-  - api.WebGL2RenderingContext.readBuffer
-  - api.WebGL2RenderingContext.readPixels
-  - api.WebGL2RenderingContext.renderbufferStorage
-  - api.WebGL2RenderingContext.renderbufferStorageMultisample
-  - api.WebGL2RenderingContext.resumeTransformFeedback
-  - api.WebGL2RenderingContext.sampleCoverage
-  - api.WebGL2RenderingContext.samplerParameterf
-  - api.WebGL2RenderingContext.samplerParameteri
-  - api.WebGL2RenderingContext.scissor
-  - api.WebGL2RenderingContext.shaderSource
-  - api.WebGL2RenderingContext.stencilFunc
-  - api.WebGL2RenderingContext.stencilFuncSeparate
-  - api.WebGL2RenderingContext.stencilMask
-  - api.WebGL2RenderingContext.stencilMaskSeparate
-  - api.WebGL2RenderingContext.stencilOp
-  - api.WebGL2RenderingContext.stencilOpSeparate
-  - api.WebGL2RenderingContext.texImage2D
-  - api.WebGL2RenderingContext.texImage3D
-  - api.WebGL2RenderingContext.texParameterf
-  - api.WebGL2RenderingContext.texParameteri
-  - api.WebGL2RenderingContext.texStorage2D
-  - api.WebGL2RenderingContext.texStorage3D
-  - api.WebGL2RenderingContext.texSubImage2D
-  - api.WebGL2RenderingContext.texSubImage3D
-  - api.WebGL2RenderingContext.transformFeedbackVaryings
-  - api.WebGL2RenderingContext.uniform1f
-  - api.WebGL2RenderingContext.uniform1fv
-  - api.WebGL2RenderingContext.uniform1i
-  - api.WebGL2RenderingContext.uniform1iv
-  - api.WebGL2RenderingContext.uniform1ui
-  - api.WebGL2RenderingContext.uniform1uiv
-  - api.WebGL2RenderingContext.uniform2f
-  - api.WebGL2RenderingContext.uniform2fv
-  - api.WebGL2RenderingContext.uniform2i
-  - api.WebGL2RenderingContext.uniform2iv
-  - api.WebGL2RenderingContext.uniform2ui
-  - api.WebGL2RenderingContext.uniform2uiv
-  - api.WebGL2RenderingContext.uniform3f
-  - api.WebGL2RenderingContext.uniform3fv
-  - api.WebGL2RenderingContext.uniform3i
-  - api.WebGL2RenderingContext.uniform3iv
-  - api.WebGL2RenderingContext.uniform3ui
-  - api.WebGL2RenderingContext.uniform3uiv
-  - api.WebGL2RenderingContext.uniform4f
-  - api.WebGL2RenderingContext.uniform4fv
-  - api.WebGL2RenderingContext.uniform4i
-  - api.WebGL2RenderingContext.uniform4iv
-  - api.WebGL2RenderingContext.uniform4ui
-  - api.WebGL2RenderingContext.uniform4uiv
-  - api.WebGL2RenderingContext.uniformBlockBinding
-  - api.WebGL2RenderingContext.uniformMatrix2fv
-  - api.WebGL2RenderingContext.uniformMatrix2x3fv
-  - api.WebGL2RenderingContext.uniformMatrix2x4fv
-  - api.WebGL2RenderingContext.uniformMatrix3fv
-  - api.WebGL2RenderingContext.uniformMatrix3x2fv
-  - api.WebGL2RenderingContext.uniformMatrix3x4fv
-  - api.WebGL2RenderingContext.uniformMatrix4fv
-  - api.WebGL2RenderingContext.uniformMatrix4x2fv
-  - api.WebGL2RenderingContext.uniformMatrix4x3fv
-  - api.WebGL2RenderingContext.useProgram
-  - api.WebGL2RenderingContext.validateProgram
-  - api.WebGL2RenderingContext.vertexAttrib1f
-  - api.WebGL2RenderingContext.vertexAttrib1fv
-  - api.WebGL2RenderingContext.vertexAttrib2f
-  - api.WebGL2RenderingContext.vertexAttrib2fv
-  - api.WebGL2RenderingContext.vertexAttrib3f
-  - api.WebGL2RenderingContext.vertexAttrib3fv
-  - api.WebGL2RenderingContext.vertexAttrib4f
-  - api.WebGL2RenderingContext.vertexAttrib4fv
-  - api.WebGL2RenderingContext.vertexAttribDivisor
-  - api.WebGL2RenderingContext.vertexAttribI4i
-  - api.WebGL2RenderingContext.vertexAttribI4iv
-  - api.WebGL2RenderingContext.vertexAttribI4ui
-  - api.WebGL2RenderingContext.vertexAttribI4uiv
-  - api.WebGL2RenderingContext.vertexAttribIPointer
-  - api.WebGL2RenderingContext.vertexAttribPointer
-  - api.WebGL2RenderingContext.viewport
-  - api.WebGL2RenderingContext.waitSync
-  - api.WebGLQuery
-  - api.WebGLSampler
-  - api.WebGLSync
-  - api.WebGLTransformFeedback
-  - api.WebGLVertexArrayObject
diff --git a/features/webvtt.yml b/features/webvtt.yml
index f608a8f398a..76c5fdc6a6b 100644
--- a/features/webvtt.yml
+++ b/features/webvtt.yml
@@ -7,17 +7,3 @@ caniuse: webvtt
 # be used to compute the status. It matches https://caniuse.com/webvtt other
 # than the Safari iOS version. TODO: Research whether WebVTT was shipped in
 # iOS 6, 7, or 8, and align all sources on the right answer.
-compat_features:
-  - api.VTTCue
-  - api.VTTCue.getCueAsHTML
-  - api.VTTCue.text
-  # The VTTCue constructor came a bit later as it was originally the
-  # TextTrackCue constructor.
-  # - api.VTTCue.VTTCue
-  # Cue settings should be a separate feature
-  # - api.VTTCue.align
-  # - api.VTTCue.line
-  # - api.VTTCue.position
-  # - api.VTTCue.size
-  # - api.VTTCue.snapToLines
-  # - api.VTTCue.vertical
diff --git a/features/white-space-collapse.yml b/features/white-space-collapse.yml
index 697e7152c4c..99505a08fa6 100644
--- a/features/white-space-collapse.yml
+++ b/features/white-space-collapse.yml
@@ -2,9 +2,3 @@ name: white-space-collapse
 description: The `white-space-collapse` CSS property sets whether new line characters are shown as line breaks, and whether multiple consecutive spaces are all displayed or combined.
 spec: https://drafts.csswg.org/css-text-4/#white-space-collapsing
 group: white-space
-compat_features:
-  - css.properties.white-space-collapse
-  - css.properties.white-space-collapse.break-spaces
-  - css.properties.white-space-collapse.collapse
-  - css.properties.white-space-collapse.preserve
-  - css.properties.white-space-collapse.preserve-breaks
diff --git a/features/white-space.yml b/features/white-space.yml
index 4ad9995c59f..3c95d573bcc 100644
--- a/features/white-space.yml
+++ b/features/white-space.yml
@@ -4,15 +4,3 @@ spec: https://drafts.csswg.org/css-text-4/#white-space-property
 group: white-space
 status:
   compute_from: css.properties.white-space
-compat_features:
-  - css.properties.white-space
-  - css.properties.white-space.break-spaces
-  - css.properties.white-space.normal
-  - css.properties.white-space.nowrap
-  - css.properties.white-space.pre
-  - css.properties.white-space.pre-line
-  - css.properties.white-space.pre-wrap
-  - css.properties.white-space.shorthand_values
-  - css.properties.white-space.svg_elements
-  - css.properties.white-space.textarea_support
-  - svg.global_attributes.white-space
diff --git a/features/writingsuggestions.yml b/features/writingsuggestions.yml
index b237fa35c21..7667ee3ba49 100644
--- a/features/writingsuggestions.yml
+++ b/features/writingsuggestions.yml
@@ -2,6 +2,3 @@ name: writingsuggestions
 description: The `writingsuggestions` HTML attribute turns on or off a browser's writing suggestions. Writing suggestions vary by browser. For example, if turned on then a browser might show inline text completions accepted by pressing <kbd>Tab</kbd>.
 spec: https://html.spec.whatwg.org/multipage/interaction.html#writing-suggestions
 group: forms
-compat_features:
-  - html.global_attributes.writingsuggestions
-  - api.HTMLElement.writingSuggestions
diff --git a/features/z-index.yml b/features/z-index.yml
index 046e1e542de..a6bdd1d24e5 100644
--- a/features/z-index.yml
+++ b/features/z-index.yml
@@ -2,7 +2,3 @@ name: z-index
 description: The `z-index` CSS property orders overlapping elements, with higher values appearing in front of or on top of lower values.
 spec: https://drafts.csswg.org/css2/#z-index
 group: css
-compat_features:
-  - css.properties.z-index
-  - css.properties.z-index.auto
-  - css.properties.z-index.negative_values
diff --git a/features/zoom.yml b/features/zoom.yml
index a2123651f4b..189c68883f6 100644
--- a/features/zoom.yml
+++ b/features/zoom.yml
@@ -2,5 +2,3 @@ name: zoom
 description: The `zoom` CSS property scales the size of an element. Unlike the `transform` property, a zoomed element affects page layout.
 spec: https://drafts.csswg.org/css-viewport/#zoom-property
 caniuse: css-zoom
-compat_features:
-  - css.properties.zoom