diff --git a/features/draft/spec/html.yml b/features/draft/spec/html.yml
index fa1017921cf..b183fba8b9b 100644
--- a/features/draft/spec/html.yml
+++ b/features/draft/spec/html.yml
@@ -1,4 +1,4 @@
-draft_date: 2024-12-02
+draft_date: 2024-12-05
 name: HTML Standard
 description: TODO
 spec: https://html.spec.whatwg.org/multipage/
@@ -78,9 +78,7 @@ compat_features:
   - api.HTMLFormControlsCollection.namedItem
   - api.HTMLIFrameElement.featurePolicy
   - api.HTMLImageElement.currentSrc
-  - api.HTMLImageElement.sizes
   - api.HTMLImageElement.sizes.auto
-  - api.HTMLImageElement.srcset
   - api.HTMLInputElement.showPicker.autocomplete_input
   - api.HTMLInputElement.showPicker.datalist_input
   - api.HTMLInputElement.showPicker.month_input
@@ -106,9 +104,7 @@ compat_features:
   - api.HTMLSourceElement
   - api.HTMLSourceElement.height
   - api.HTMLSourceElement.media
-  - api.HTMLSourceElement.sizes
   - api.HTMLSourceElement.src
-  - api.HTMLSourceElement.srcset
   - api.HTMLSourceElement.type
   - api.HTMLSourceElement.width
   - api.HTMLTemplateElement.shadowRootClonable
@@ -294,9 +290,7 @@ compat_features:
   - html.elements.iframe.allow.wildcards
   - html.elements.iframe.sandbox.allow-orientation-lock
   - html.elements.iframe.sandbox.allow-pointer-lock
-  - html.elements.img.sizes
   - html.elements.img.sizes.auto
-  - html.elements.img.srcset
   - html.elements.img.usemap.case_sensitive
   - html.elements.input.autocomplete
   - html.elements.link.rel.dns-prefetch
@@ -321,8 +315,6 @@ compat_features:
   - html.elements.meter.value
   - html.elements.script.type.importmap.integrity
   - html.elements.select.autocomplete
-  - html.elements.source.sizes
-  - html.elements.source.srcset
   - html.elements.summary
   - html.elements.summary.display_list_item
   - html.elements.template.shadowrootclonable
@@ -1312,6 +1304,15 @@ compat_features:
 #   - html.elements.link.fetchpriority
 #   - html.elements.script.fetchpriority
 #   - http.headers.Link.fetchpriority
+# - srcset and sizes:
+#   - api.HTMLImageElement.sizes
+#   - api.HTMLImageElement.srcset
+#   - api.HTMLSourceElement.sizes
+#   - api.HTMLSourceElement.srcset
+#   - html.elements.img.sizes
+#   - html.elements.img.srcset
+#   - html.elements.source.sizes
+#   - html.elements.source.srcset
 # - <input>:
 #   - api.HTMLInputElement
 #   - api.HTMLInputElement.accept
diff --git a/features/draft/spec/html.yml.dist b/features/draft/spec/html.yml.dist
index d1c971b82df..428766b3ad0 100644
--- a/features/draft/spec/html.yml.dist
+++ b/features/draft/spec/html.yml.dist
@@ -627,20 +627,6 @@ compat_features:
   #   safari_ios: "8"
   - api.ErrorEvent.colno
 
-  # baseline: high
-  # baseline_low_date: 2015-07-29
-  # baseline_high_date: 2018-01-29
-  # support:
-  #   chrome: "34"
-  #   chrome_android: "34"
-  #   edge: "12"
-  #   firefox: "38"
-  #   firefox_android: "38"
-  #   safari: "8"
-  #   safari_ios: "8"
-  - api.HTMLImageElement.srcset
-  - html.elements.img.srcset
-
   # baseline: high
   # baseline_low_date: 2015-09-22
   # baseline_high_date: 2018-03-22
@@ -672,33 +658,6 @@ compat_features:
   - api.HTMLMeterElement.optimum
   - api.HTMLMeterElement.value
 
-  # baseline: high
-  # baseline_low_date: 2016-03-21
-  # baseline_high_date: 2018-09-21
-  # support:
-  #   chrome: "34"
-  #   chrome_android: "34"
-  #   edge: "13"
-  #   firefox: "38"
-  #   firefox_android: "38"
-  #   safari: "9.1"
-  #   safari_ios: "9.3"
-  - html.elements.source.sizes
-  - html.elements.source.srcset
-
-  # baseline: high
-  # baseline_low_date: 2016-03-21
-  # baseline_high_date: 2018-09-21
-  # support:
-  #   chrome: "38"
-  #   chrome_android: "38"
-  #   edge: "12"
-  #   firefox: "38"
-  #   firefox_android: "38"
-  #   safari: "9.1"
-  #   safari_ios: "9.3"
-  - html.elements.img.sizes
-
   # baseline: high
   # baseline_low_date: 2016-03-21
   # baseline_high_date: 2018-09-21
@@ -711,7 +670,6 @@ compat_features:
   #   safari: "9.1"
   #   safari_ios: "9.3"
   - api.HTMLImageElement.currentSrc
-  - api.HTMLImageElement.sizes
 
   # baseline: high
   # baseline_low_date: 2016-08-02
@@ -859,20 +817,6 @@ compat_features:
   - html.elements.meter.optimum
   - html.elements.meter.value
 
-  # baseline: high
-  # baseline_low_date: 2017-03-27
-  # baseline_high_date: 2019-09-27
-  # support:
-  #   chrome: "38"
-  #   chrome_android: "38"
-  #   edge: "13"
-  #   firefox: "38"
-  #   firefox_android: "38"
-  #   safari: "10.1"
-  #   safari_ios: "10.3"
-  - api.HTMLSourceElement.sizes
-  - api.HTMLSourceElement.srcset
-
   # baseline: high
   # baseline_low_date: 2017-11-28
   # baseline_high_date: 2020-05-28
diff --git a/features/draft/spec/server-timing.yml b/features/draft/spec/server-timing.yml
deleted file mode 100644
index 510e6e2be21..00000000000
--- a/features/draft/spec/server-timing.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-draft_date: 2024-11-25
-name: Server Timing
-description: TODO
-spec: https://w3c.github.io/server-timing/
-compat_features:
-  - http.headers.Server-Timing.trailer
-
-# The following features in the spec are already part of web-features:
-# - Server timing:
-#   - api.PerformanceResourceTiming.serverTiming
-#   - api.PerformanceServerTiming
-#   - api.PerformanceServerTiming.description
-#   - api.PerformanceServerTiming.duration
-#   - api.PerformanceServerTiming.name
-#   - api.PerformanceServerTiming.toJSON
-#   - http.headers.Server-Timing
diff --git a/features/draft/spec/server-timing.yml.dist b/features/draft/spec/server-timing.yml.dist
deleted file mode 100644
index 4d7dd1b689d..00000000000
--- a/features/draft/spec/server-timing.yml.dist
+++ /dev/null
@@ -1,10 +0,0 @@
-# Generated from: server-timing.yml
-# Do not edit this file by hand. Edit the source file instead!
-
-status:
-  baseline: false
-  support:
-    firefox: "71"
-    firefox_android: "79"
-compat_features:
-  - http.headers.Server-Timing.trailer
diff --git a/features/draft/spec/webxr-dom-overlays-1.yml b/features/draft/spec/webxr-dom-overlays-1.yml
deleted file mode 100644
index 15190aee7d5..00000000000
--- a/features/draft/spec/webxr-dom-overlays-1.yml
+++ /dev/null
@@ -1,11 +0,0 @@
-draft_date: 2024-12-02
-name: WebXR DOM Overlays Module
-description: TODO
-spec: https://immersive-web.github.io/dom-overlays/
-compat_features:
-  - css.selectors.xr-overlay
-
-# The following features in the spec are already part of web-features:
-# - DOM overlays for WebXR:
-#   - api.Element.beforexrselect_event
-#   - api.XRSession.domOverlayState
diff --git a/features/draft/spec/webxr-dom-overlays-1.yml.dist b/features/draft/spec/webxr-dom-overlays-1.yml.dist
deleted file mode 100644
index 8fedd590664..00000000000
--- a/features/draft/spec/webxr-dom-overlays-1.yml.dist
+++ /dev/null
@@ -1,11 +0,0 @@
-# Generated from: webxr-dom-overlays-1.yml
-# Do not edit this file by hand. Edit the source file instead!
-
-status:
-  baseline: false
-  support:
-    chrome: "83"
-    chrome_android: "83"
-    edge: "83"
-compat_features:
-  - css.selectors.xr-overlay