diff --git a/developer-extension/src/panel/components/tabs/eventsTab/copyEvent.spec.ts b/developer-extension/src/panel/components/tabs/eventsTab/copyEvent.spec.ts
index de7e2441b3..ba2ce4a6fe 100644
--- a/developer-extension/src/panel/components/tabs/eventsTab/copyEvent.spec.ts
+++ b/developer-extension/src/panel/components/tabs/eventsTab/copyEvent.spec.ts
@@ -1,4 +1,3 @@
-import { isIE } from '@datadog/browser-core'
 import type { TelemetryEvent } from '../../../../../../packages/core/src/domain/telemetry'
 import type { LogsEvent } from '../../../../../../packages/logs/src/logsEvent.types'
 import type { RumEvent } from '../../../../../../packages/rum-core/src/rumEvent.types'
@@ -14,11 +13,6 @@ const LOG_EVENT = {
 } as LogsEvent
 
 describe('getIntakeUrlForEvent', () => {
-  beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-  })
   it('should return undefined when RUM is not present', () => {
     expect(getIntakeUrlForEvent({} as any, RUM_ERROR_EVENT)).toBeUndefined()
   })
diff --git a/developer-extension/src/panel/hooks/useEvents/eventFilters.spec.ts b/developer-extension/src/panel/hooks/useEvents/eventFilters.spec.ts
index 50f9ac65cc..f8e6ef0ab7 100644
--- a/developer-extension/src/panel/hooks/useEvents/eventFilters.spec.ts
+++ b/developer-extension/src/panel/hooks/useEvents/eventFilters.spec.ts
@@ -1,7 +1,7 @@
-import { isIE, isSafari } from '@datadog/browser-core'
+import { isSafari } from '@datadog/browser-core'
 import { parseQuery, matchWithWildcard } from './eventFilters'
 
-if (!isIE() && !isSafari()) {
+if (!isSafari()) {
   describe('parseQuery', () => {
     it('return a simple field', () => {
       expect(parseQuery('foo:bar')).toEqual([['foo', 'bar']])
diff --git a/packages/core/src/browser/fetchObservable.spec.ts b/packages/core/src/browser/fetchObservable.spec.ts
index 694a8d0bde..8dfe097ce2 100644
--- a/packages/core/src/browser/fetchObservable.spec.ts
+++ b/packages/core/src/browser/fetchObservable.spec.ts
@@ -1,6 +1,5 @@
 import type { MockFetch, MockFetchManager } from '../../test'
 import { registerCleanupTask, mockFetch } from '../../test'
-import { isIE } from '../tools/utils/browserDetection'
 import type { Subscription } from '../tools/observable'
 import type { FetchResolveContext, FetchContext } from './fetchObservable'
 import { initFetchObservable } from './fetchObservable'
@@ -17,9 +16,6 @@ describe('fetch proxy', () => {
   let fetch: MockFetch
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('no fetch support')
-    }
     mockFetchManager = mockFetch()
     originalMockFetch = window.fetch
 
diff --git a/packages/core/src/browser/xhrObservable.spec.ts b/packages/core/src/browser/xhrObservable.spec.ts
index 19228458a0..d1880994b5 100644
--- a/packages/core/src/browser/xhrObservable.spec.ts
+++ b/packages/core/src/browser/xhrObservable.spec.ts
@@ -1,6 +1,5 @@
 import type { Configuration } from '../domain/configuration'
 import { withXhr, mockXhr } from '../../test'
-import { isIE } from '../tools/utils/browserDetection'
 import type { Subscription } from '../tools/observable'
 import type { XhrCompleteContext, XhrContext } from './xhrObservable'
 import { initXhrObservable } from './xhrObservable'
@@ -346,9 +345,6 @@ describe('xhr observable', () => {
   })
 
   it('should track request to URL object', (done) => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
     withXhr({
       setup(xhr) {
         xhr.open('GET', new URL('http://example.com/path'))
diff --git a/packages/core/src/domain/console/consoleObservable.spec.ts b/packages/core/src/domain/console/consoleObservable.spec.ts
index bf3d3b5042..cd73074094 100644
--- a/packages/core/src/domain/console/consoleObservable.spec.ts
+++ b/packages/core/src/domain/console/consoleObservable.spec.ts
@@ -1,5 +1,4 @@
 /* eslint-disable no-console */
-import { isIE } from '../../tools/utils/browserDetection'
 import { ConsoleApiName } from '../../tools/display'
 import type { Subscription } from '../../tools/observable'
 import type { ConsoleLog } from './consoleObservable'
@@ -104,11 +103,7 @@ describe('console error observable', () => {
   it('should extract stack from first error', () => {
     console.error(new TypeError('foo'), new TypeError('bar'))
     const stack = (notifyLog.calls.mostRecent().args[0] as ConsoleLog).stack
-    if (!isIE()) {
-      expect(stack).toMatch(/^TypeError: foo\s+at/)
-    } else {
-      expect(stack).toContain('TypeError: foo')
-    }
+    expect(stack).toContain('TypeError: foo')
   })
 
   it('should retrieve fingerprint from error', () => {
diff --git a/packages/core/src/domain/error/trackRuntimeError.spec.ts b/packages/core/src/domain/error/trackRuntimeError.spec.ts
index e3479f20ef..fffda93e61 100644
--- a/packages/core/src/domain/error/trackRuntimeError.spec.ts
+++ b/packages/core/src/domain/error/trackRuntimeError.spec.ts
@@ -1,6 +1,5 @@
 import { disableJasmineUncaughtExceptionTracking, collectAsyncCalls } from '../../../test'
 import { Observable } from '../../tools/observable'
-import { isIE } from '../../tools/utils/browserDetection'
 import type { UnhandledErrorCallback } from './trackRuntimeError'
 import { instrumentOnError, instrumentUnhandledRejection, trackRuntimeError } from './trackRuntimeError'
 import type { RawError } from './error.types'
@@ -49,9 +48,6 @@ describe('trackRuntimeError', () => {
   })
 
   it('should collect unhandled rejection', (done) => {
-    if (isIE()) {
-      pending('no promise support')
-    }
     disableJasmineUncaughtExceptionTracking()
 
     setTimeout(() => {
diff --git a/packages/core/src/domain/session/sessionManager.spec.ts b/packages/core/src/domain/session/sessionManager.spec.ts
index 5f416bacf3..707e529b6c 100644
--- a/packages/core/src/domain/session/sessionManager.spec.ts
+++ b/packages/core/src/domain/session/sessionManager.spec.ts
@@ -9,7 +9,6 @@ import {
 import type { Clock } from '../../../test'
 import { getCookie, setCookie } from '../../browser/cookie'
 import type { RelativeTime } from '../../tools/utils/timeUtils'
-import { isIE } from '../../tools/utils/browserDetection'
 import { DOM_EVENT } from '../../browser/addEventListener'
 import { ONE_HOUR, ONE_SECOND } from '../../tools/utils/timeUtils'
 import type { Configuration } from '../configuration'
@@ -92,9 +91,6 @@ describe('startSessionManager', () => {
   }
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('no full rum support')
-    }
     clock = mockClock()
 
     registerCleanupTask(() => {
diff --git a/packages/core/src/tools/readBytesFromStream.spec.ts b/packages/core/src/tools/readBytesFromStream.spec.ts
index bf0151b7cf..6f82e34008 100644
--- a/packages/core/src/tools/readBytesFromStream.spec.ts
+++ b/packages/core/src/tools/readBytesFromStream.spec.ts
@@ -1,4 +1,3 @@
-import { isIE } from './utils/browserDetection'
 import { readBytesFromStream } from './readBytesFromStream'
 
 describe('readBytesFromStream', () => {
@@ -7,9 +6,6 @@ describe('readBytesFromStream', () => {
   let stream: ReadableStream
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('no ReadableStream support')
-    }
     beenCalled = false
     stream = new ReadableStream({
       pull: (controller) => {
diff --git a/packages/core/src/tools/serialisation/sanitize.spec.ts b/packages/core/src/tools/serialisation/sanitize.spec.ts
index 22ba57ec51..07b2f9ebda 100644
--- a/packages/core/src/tools/serialisation/sanitize.spec.ts
+++ b/packages/core/src/tools/serialisation/sanitize.spec.ts
@@ -1,4 +1,3 @@
-import { isIE } from '../utils/browserDetection'
 import { display } from '../display'
 import { createNewEvent } from '../../../test'
 import { sanitize } from './sanitize'
@@ -30,12 +29,7 @@ describe('sanitize', () => {
       function testFunction() {
         return true
       }
-      if (isIE()) {
-        // IE does not provide access to function name
-        expect(sanitize(testFunction)).toBe('[Function] unknown')
-      } else {
-        expect(sanitize(testFunction)).toBe('[Function] testFunction')
-      }
+      expect(sanitize(testFunction)).toBe('[Function] testFunction')
     })
 
     it('should handle bigint', () => {
@@ -102,19 +96,10 @@ describe('sanitize', () => {
         ['a', 13],
         ['b', 37],
       ])
-      if (isIE()) {
-        // IE does not distinguish maps, weakmaps, sets... from generic objects
-        expect(sanitize(map)).toEqual({})
-      } else {
-        expect(sanitize(map)).toBe('[Map]')
-      }
+      expect(sanitize(map)).toBe('[Map]')
     })
 
     it('should survive when toStringTag throws', () => {
-      if (isIE()) {
-        pending('IE does not support Symbols')
-      }
-
       class CannotSerialize {
         get [Symbol.toStringTag]() {
           throw Error('Cannot serialize')
@@ -229,12 +214,7 @@ describe('sanitize', () => {
       const obj = { b: 42, toJSON: faulty }
 
       // Since toJSON throws, sanitize falls back to serialize property by property
-      if (isIE()) {
-        // IE does not provide access to function name
-        expect(sanitize(obj)).toEqual({ b: 42, toJSON: '[Function] unknown' })
-      } else {
-        expect(sanitize(obj)).toEqual({ b: 42, toJSON: '[Function] faulty' })
-      }
+      expect(sanitize(obj)).toEqual({ b: 42, toJSON: '[Function] faulty' })
     })
   })
 
diff --git a/packages/core/test/leakDetection.ts b/packages/core/test/leakDetection.ts
index 523e73a5a0..8a80b4febd 100644
--- a/packages/core/test/leakDetection.ts
+++ b/packages/core/test/leakDetection.ts
@@ -1,5 +1,4 @@
 import { display } from '../src/tools/display'
-import { isIE } from '../src/tools/utils/browserDetection'
 import { getCurrentJasmineSpec } from './getCurrentJasmineSpec'
 
 let originalAddEventListener: typeof EventTarget.prototype.addEventListener
@@ -9,9 +8,6 @@ let wrappedListeners: {
 }
 
 export function startLeakDetection() {
-  if (isIE()) {
-    return
-  }
   wrappedListeners = {}
 
   // eslint-disable-next-line @typescript-eslint/unbound-method
@@ -35,9 +31,6 @@ export function startLeakDetection() {
 }
 
 export function stopLeakDetection() {
-  if (isIE()) {
-    return
-  }
   EventTarget.prototype.addEventListener = originalAddEventListener
   EventTarget.prototype.removeEventListener = originalRemoveEventListener
   wrappedListeners = {}
diff --git a/packages/logs/BROWSER_SUPPORT.md b/packages/logs/BROWSER_SUPPORT.md
index a35800b340..bfa8f14050 100644
--- a/packages/logs/BROWSER_SUPPORT.md
+++ b/packages/logs/BROWSER_SUPPORT.md
@@ -1,16 +1,16 @@
 # Browser Support
 
-| Feature        | Chrome | Firefox | Safari | Edge | Chrome Android | Safari iOS | IE11 | < IE11 | Opera |
-| -------------- | ------ | ------- | ------ | ---- | -------------- | ---------- | ---- | ------ | ----- |
-| loading        | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅   | ❌     | ✅    |
-| init           | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅   | ❌     | ✅    |
-| global context | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅   | ❌     | ✅    |
-| logs request   | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅   | ❌     | ✅    |
-| flush on hide  | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌   | ❌     | ✅    |
-| console error  | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅   | ❌     | ✅    |
-| network error  | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅   | ❌     | ✅    |
-| runtime error  | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅   | ❌     | ✅    |
-| CSP violation  | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌   | ❌     | ✅    |
-| reports        | ✅     | ❌      | ❌     | ✅   | ✅             | ❌         | ❌   | ❌     | ✅    |
-| custom logger  | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅   | ❌     | ✅    |
-| handler        | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅   | ❌     | ✅    |
+| Feature        | Chrome | Firefox | Safari | Edge | Chrome Android | Safari iOS | IE  | Opera |
+| -------------- | ------ | ------- | ------ | ---- | -------------- | ---------- | --- | ----- |
+| loading        | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| init           | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| global context | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| logs request   | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| flush on hide  | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| console error  | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| network error  | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| runtime error  | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| CSP violation  | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| reports        | ✅     | ❌      | ❌     | ✅   | ✅             | ❌         | ❌  | ✅    |
+| custom logger  | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| handler        | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
diff --git a/packages/logs/src/boot/preStartLogs.spec.ts b/packages/logs/src/boot/preStartLogs.spec.ts
index 6235069bfd..5b57623bc3 100644
--- a/packages/logs/src/boot/preStartLogs.spec.ts
+++ b/packages/logs/src/boot/preStartLogs.spec.ts
@@ -5,7 +5,6 @@ import {
   TrackingConsent,
   createTrackingConsentState,
   display,
-  isIE,
   resetFetchObservable,
 } from '@datadog/browser-core'
 import type { CommonContext } from '../rawLogsEvent.types'
@@ -217,12 +216,6 @@ describe('preStartLogs', () => {
     })
 
     describe('basic methods instrumentation', () => {
-      beforeEach(() => {
-        if (isIE()) {
-          pending('No support for IE')
-        }
-      })
-
       it('should instrument fetch even if tracking consent is not granted', () => {
         const originalFetch = window.fetch
 
diff --git a/packages/logs/src/domain/networkError/networkErrorCollection.spec.ts b/packages/logs/src/domain/networkError/networkErrorCollection.spec.ts
index 960692ace4..ad06a80855 100644
--- a/packages/logs/src/domain/networkError/networkErrorCollection.spec.ts
+++ b/packages/logs/src/domain/networkError/networkErrorCollection.spec.ts
@@ -1,4 +1,4 @@
-import { isIE, ErrorSource } from '@datadog/browser-core'
+import { ErrorSource } from '@datadog/browser-core'
 import type { MockFetch, MockFetchManager } from '@datadog/browser-core/test'
 import { SPEC_ENDPOINTS, MockResponse, mockFetch, registerCleanupTask } from '@datadog/browser-core/test'
 import type { RawNetworkLogsEvent } from '../../rawLogsEvent.types'
@@ -45,9 +45,6 @@ describe('network error collection', () => {
   }
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('no fetch support')
-    }
     rawLogsEvents = []
     lifeCycle = new LifeCycle()
     lifeCycle.subscribe(LifeCycleEventType.RAW_LOG_COLLECTED, (rawLogsEvent) =>
@@ -189,10 +186,6 @@ describe('computeFetchResponseText', () => {
   let onunhandledrejectionSpy: jasmine.Spy
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE does not support the fetch API')
-    }
-
     onunhandledrejectionSpy = jasmine.createSpy()
     window.onunhandledrejection = onunhandledrejectionSpy
 
diff --git a/packages/rum-core/src/boot/preStartRum.spec.ts b/packages/rum-core/src/boot/preStartRum.spec.ts
index c02cc9936f..10c4c21119 100644
--- a/packages/rum-core/src/boot/preStartRum.spec.ts
+++ b/packages/rum-core/src/boot/preStartRum.spec.ts
@@ -12,7 +12,6 @@ import {
   ExperimentalFeature,
   resetExperimentalFeatures,
   resetFetchObservable,
-  isIE,
 } from '@datadog/browser-core'
 import type { Clock } from '@datadog/browser-core/test'
 import {
@@ -712,12 +711,6 @@ describe('preStartRum', () => {
     })
 
     describe('basic methods instrumentation', () => {
-      beforeEach(() => {
-        if (isIE()) {
-          pending('No support for IE')
-        }
-      })
-
       it('should instrument fetch even if tracking consent is not granted', () => {
         const originalFetch = window.fetch
 
diff --git a/packages/rum-core/src/boot/startRum.spec.ts b/packages/rum-core/src/boot/startRum.spec.ts
index af827b3ccf..1c69edcadc 100644
--- a/packages/rum-core/src/boot/startRum.spec.ts
+++ b/packages/rum-core/src/boot/startRum.spec.ts
@@ -5,7 +5,6 @@ import {
   ONE_SECOND,
   findLast,
   noop,
-  isIE,
   relativeNow,
   createIdentityEncoder,
   createCustomerDataTracker,
@@ -88,10 +87,6 @@ describe('rum session', () => {
   let serverRumEvents: RumEvent[]
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('no full rum support')
-    }
-
     setupBuilder = setup().beforeBuild(
       ({
         location,
@@ -146,9 +141,6 @@ describe('rum session keep alive', () => {
   let serverRumEvents: RumEvent[]
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('no full rum support')
-    }
     sessionManager = createRumSessionManagerMock().setId('1234')
     setupBuilder = setup()
       .withFakeClock()
diff --git a/packages/rum-core/src/browser/domMutationObservable.spec.ts b/packages/rum-core/src/browser/domMutationObservable.spec.ts
index ac8b873d17..c5ed616a83 100644
--- a/packages/rum-core/src/browser/domMutationObservable.spec.ts
+++ b/packages/rum-core/src/browser/domMutationObservable.spec.ts
@@ -1,4 +1,3 @@
-import { isIE } from '@datadog/browser-core'
 import type { MockZoneJs } from '@datadog/browser-core/test'
 import { registerCleanupTask, mockZoneJs } from '@datadog/browser-core/test'
 import { createDOMMutationObservable, getMutationObserverConstructor } from './domMutationObservable'
@@ -8,12 +7,6 @@ import { createDOMMutationObservable, getMutationObserverConstructor } from './d
 const DOM_MUTATION_OBSERVABLE_DURATION = 16
 
 describe('domMutationObservable', () => {
-  beforeEach(() => {
-    if (isIE()) {
-      pending('dom mutation not available')
-    }
-  })
-
   function domMutationSpec(mutate: (root: HTMLElement) => void, { expectedMutations }: { expectedMutations: number }) {
     return (done: DoneFn) => {
       const root = document.createElement('div')
@@ -113,10 +106,6 @@ describe('domMutationObservable', () => {
     const OriginalMutationObserverConstructor = window.MutationObserver
 
     beforeEach(() => {
-      if (isIE()) {
-        pending('dom mutation not available')
-      }
-
       zoneJs = mockZoneJs()
 
       registerCleanupTask(() => {
diff --git a/packages/rum-core/src/browser/htmlDomUtils.spec.ts b/packages/rum-core/src/browser/htmlDomUtils.spec.ts
index 07b0dfdbc7..7c518de8f1 100644
--- a/packages/rum-core/src/browser/htmlDomUtils.spec.ts
+++ b/packages/rum-core/src/browser/htmlDomUtils.spec.ts
@@ -1,4 +1,3 @@
-import { isIE } from '@datadog/browser-core'
 import { appendElement, appendText } from '../../test'
 import {
   isTextNode,
@@ -59,80 +58,70 @@ describe('isElementNode', () => {
   })
 })
 
-if (!isIE()) {
-  describe('isShadowRoot', () => {
-    const notShadowDomNodes: Node[] = [
-      document,
-      document.head,
-      document.body,
-      document.createElement('div'),
-      document.createTextNode('hello'),
-      document.createComment('hello'),
-    ]
-
-    notShadowDomNodes.forEach((element) => {
-      it(`should return false for "${String(element.nodeName)}"`, () => {
-        expect(isNodeShadowRoot(element)).toBe(false)
-      })
-    })
+describe('isShadowRoot', () => {
+  const notShadowDomNodes: Node[] = [
+    document,
+    document.head,
+    document.body,
+    document.createElement('div'),
+    document.createTextNode('hello'),
+    document.createComment('hello'),
+  ]
 
-    it('should return true for shadow root but not its host', () => {
-      const parent = document.createElement('div')
-      const shadowRoot = parent.attachShadow({ mode: 'open' })
-      expect(isNodeShadowRoot(parent)).toBe(false)
-      expect(isNodeShadowRoot(shadowRoot)).toBe(true)
+  notShadowDomNodes.forEach((element) => {
+    it(`should return false for "${String(element.nodeName)}"`, () => {
+      expect(isNodeShadowRoot(element)).toBe(false)
     })
+  })
 
-    it('should return false for a[href] despite it has a host property', () => {
-      const link = document.createElement('a')
-      link.setAttribute('href', 'http://localhost/some/path')
-      expect(link.host).toBeTruthy()
-      expect(isNodeShadowRoot(link)).toBe(false)
-    })
+  it('should return true for shadow root but not its host', () => {
+    const parent = document.createElement('div')
+    const shadowRoot = parent.attachShadow({ mode: 'open' })
+    expect(isNodeShadowRoot(parent)).toBe(false)
+    expect(isNodeShadowRoot(shadowRoot)).toBe(true)
+  })
 
-    it('should return false for a form with an input[name="host"] despite it has a host property', () => {
-      const form = document.createElement('form')
-      const input = document.createElement('input')
-      input.setAttribute('name', 'host')
-      form.appendChild(input)
-      expect(isNodeShadowRoot(form)).toBe(false)
-    })
+  it('should return false for a[href] despite it has a host property', () => {
+    const link = document.createElement('a')
+    link.setAttribute('href', 'http://localhost/some/path')
+    expect(link.host).toBeTruthy()
+    expect(isNodeShadowRoot(link)).toBe(false)
   })
-}
-
-if (!isIE()) {
-  describe('isShadowHost', () => {
-    const host = document.createElement('div')
-    host.attachShadow({ mode: 'open' })
-
-    // Edge 18 and before doesn't support shadow dom, so `Element#shadowRoot` is undefined.
-    const oldEdgeElement = document.createElement('div')
-    Object.defineProperty(oldEdgeElement, 'shadowRoot', { value: undefined })
-
-    const parameters: Array<[Node, boolean]> = [
-      [host, true],
-      [host.shadowRoot!, false],
-      [document.body, false],
-      [document.createTextNode('hello'), false],
-      [document.createComment('hello'), false],
-      [oldEdgeElement, false],
-    ]
-
-    parameters.forEach(([element, result]) => {
-      it(`should return ${String(result)} for "${String(element)}"`, () => {
-        expect(isNodeShadowHost(element)).toBe(result)
-      })
-    })
+
+  it('should return false for a form with an input[name="host"] despite it has a host property', () => {
+    const form = document.createElement('form')
+    const input = document.createElement('input')
+    input.setAttribute('name', 'host')
+    form.appendChild(input)
+    expect(isNodeShadowRoot(form)).toBe(false)
   })
-}
+})
 
-describe('hasChildNode', () => {
-  beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
+describe('isShadowHost', () => {
+  const host = document.createElement('div')
+  host.attachShadow({ mode: 'open' })
+
+  // Edge 18 and before doesn't support shadow dom, so `Element#shadowRoot` is undefined.
+  const oldEdgeElement = document.createElement('div')
+  Object.defineProperty(oldEdgeElement, 'shadowRoot', { value: undefined })
+
+  const parameters: Array<[Node, boolean]> = [
+    [host, true],
+    [host.shadowRoot!, false],
+    [document.body, false],
+    [document.createTextNode('hello'), false],
+    [document.createComment('hello'), false],
+    [oldEdgeElement, false],
+  ]
+
+  parameters.forEach(([element, result]) => {
+    it(`should return ${String(result)} for "${String(element)}"`, () => {
+      expect(isNodeShadowHost(element)).toBe(result)
+    })
   })
+})
 
+describe('hasChildNode', () => {
   it('should return `true` if the element has a direct child node', () => {
     expect(hasChildNodes(appendElement('<div>foo</div>'))).toBe(true)
     expect(hasChildNodes(appendElement('<div><hr /></div>'))).toBe(true)
@@ -153,10 +142,6 @@ describe('hasChildNode', () => {
 
 describe('forEachChildNodes', () => {
   it('should iterate over the direct children for a normal node', () => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-
     const container = appendElement(`
       <div>toto<span></span><!-- --></div>
     `)
@@ -167,10 +152,6 @@ describe('forEachChildNodes', () => {
   })
 
   it('should iterate over the the shadow root for a node that is a host', () => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-
     const container = appendElement('<div></div>')
     const shadowRoot = container.attachShadow({ mode: 'open' })
 
@@ -181,10 +162,6 @@ describe('forEachChildNodes', () => {
   })
 
   it('should iterate over the the shadow root and direct children for a node that is a host', () => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-
     const container = appendElement('<div><span></span></div>')
     const shadowRoot = container.attachShadow({ mode: 'open' })
 
@@ -196,25 +173,23 @@ describe('forEachChildNodes', () => {
   })
 })
 
-if (!isIE()) {
-  describe('getParentNode', () => {
-    const orphanDiv = document.createElement('div')
-    const parentWithShadowRoot = document.createElement('div')
-    const shadowRoot = parentWithShadowRoot.attachShadow({ mode: 'open' })
-
-    const parentWithoutShadowRoot = document.createElement('div')
-    const child = document.createElement('span')
-    parentWithoutShadowRoot.appendChild(child)
-
-    const parameters: Array<[string, Node, Node | null]> = [
-      ['return null if without parent', orphanDiv, null],
-      ['return the host for a shadow root', shadowRoot, parentWithShadowRoot],
-      ['return the parent for normal child', child, parentWithoutShadowRoot],
-    ]
-    parameters.forEach(([label, element, result]) => {
-      it(`should ${label}`, () => {
-        expect(getParentNode(element)).toBe(result)
-      })
+describe('getParentNode', () => {
+  const orphanDiv = document.createElement('div')
+  const parentWithShadowRoot = document.createElement('div')
+  const shadowRoot = parentWithShadowRoot.attachShadow({ mode: 'open' })
+
+  const parentWithoutShadowRoot = document.createElement('div')
+  const child = document.createElement('span')
+  parentWithoutShadowRoot.appendChild(child)
+
+  const parameters: Array<[string, Node, Node | null]> = [
+    ['return null if without parent', orphanDiv, null],
+    ['return the host for a shadow root', shadowRoot, parentWithShadowRoot],
+    ['return the parent for normal child', child, parentWithoutShadowRoot],
+  ]
+  parameters.forEach(([label, element, result]) => {
+    it(`should ${label}`, () => {
+      expect(getParentNode(element)).toBe(result)
     })
   })
-}
+})
diff --git a/packages/rum-core/src/browser/scroll.spec.ts b/packages/rum-core/src/browser/scroll.spec.ts
index 3a69cd5c3d..d0272abc63 100644
--- a/packages/rum-core/src/browser/scroll.spec.ts
+++ b/packages/rum-core/src/browser/scroll.spec.ts
@@ -1,4 +1,4 @@
-import { addEventListener, DOM_EVENT, isIE } from '@datadog/browser-core'
+import { addEventListener, DOM_EVENT } from '@datadog/browser-core'
 import type { RumConfiguration } from '../domain/configuration'
 import { getScrollX, getScrollY } from './scroll'
 
@@ -10,17 +10,11 @@ describe('scroll', () => {
   }
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
     configuration = {} as RumConfiguration
     shouldWaitForWindowScrollEvent = false
   })
 
   afterEach((done) => {
-    if (isIE()) {
-      return done()
-    }
     document.body.style.removeProperty('margin-bottom')
     window.scrollTo(0, 0)
 
diff --git a/packages/rum-core/src/domain/privacy.spec.ts b/packages/rum-core/src/domain/privacy.spec.ts
index 2155388cf5..c7bb886571 100644
--- a/packages/rum-core/src/domain/privacy.spec.ts
+++ b/packages/rum-core/src/domain/privacy.spec.ts
@@ -1,4 +1,3 @@
-import { isIE } from '@datadog/browser-core'
 import {
   NodePrivacyLevel,
   PRIVACY_ATTR_NAME,
@@ -12,12 +11,6 @@ import {
 } from './privacy'
 
 describe('getNodePrivacyLevel', () => {
-  beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-  })
-
   it('returns the element privacy mode if it has one', () => {
     const node = document.createElement('div')
     node.setAttribute(PRIVACY_ATTR_NAME, PRIVACY_ATTR_VALUE_MASK)
@@ -127,11 +120,6 @@ describe('getNodePrivacyLevel', () => {
 })
 
 describe('getNodeSelfPrivacyLevel', () => {
-  beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-  })
   ;[
     {
       msg: 'is not an element',
diff --git a/packages/rum-core/src/domain/requestCollection.spec.ts b/packages/rum-core/src/domain/requestCollection.spec.ts
index 27a8da52fe..ff280b13d6 100644
--- a/packages/rum-core/src/domain/requestCollection.spec.ts
+++ b/packages/rum-core/src/domain/requestCollection.spec.ts
@@ -1,5 +1,5 @@
 import type { Payload } from '@datadog/browser-core'
-import { isIE, RequestType } from '@datadog/browser-core'
+import { RequestType } from '@datadog/browser-core'
 import type { MockFetch, MockFetchManager, MockXhrManager } from '@datadog/browser-core/test'
 import { registerCleanupTask, SPEC_ENDPOINTS, mockFetch, mockXhr, withXhr } from '@datadog/browser-core/test'
 import type { RumConfiguration } from './configuration'
@@ -22,9 +22,6 @@ describe('collect fetch', () => {
   let stopFetchTracking: () => void
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('no fetch support')
-    }
     configuration = {
       ...validateAndBuildRumConfiguration({ clientToken: 'xxx', applicationId: 'xxx' })!,
       ...SPEC_ENDPOINTS,
@@ -197,9 +194,6 @@ describe('collect xhr', () => {
   let stopXhrTracking: () => void
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('no fetch support')
-    }
     configuration = {
       ...validateAndBuildRumConfiguration({ clientToken: 'xxx', applicationId: 'xxx' })!,
       ...SPEC_ENDPOINTS,
diff --git a/packages/rum-core/src/domain/resource/matchRequestTiming.spec.ts b/packages/rum-core/src/domain/resource/matchRequestTiming.spec.ts
index 733f538924..135158d001 100644
--- a/packages/rum-core/src/domain/resource/matchRequestTiming.spec.ts
+++ b/packages/rum-core/src/domain/resource/matchRequestTiming.spec.ts
@@ -1,5 +1,5 @@
 import type { Duration, RelativeTime } from '@datadog/browser-core'
-import { ExperimentalFeature, isIE, relativeToClocks } from '@datadog/browser-core'
+import { ExperimentalFeature, relativeToClocks } from '@datadog/browser-core'
 import { mockExperimentalFeatures } from '@datadog/browser-core/test'
 import { createPerformanceEntry } from '../../../test'
 import type { RumPerformanceResourceTiming } from '../../browser/performanceObservable'
@@ -16,9 +16,6 @@ describe('matchRequestTiming', () => {
   let entries: RumPerformanceResourceTiming[]
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('no full rum support')
-    }
     entries = []
     spyOn(performance, 'getEntriesByName').and.returnValue(entries)
   })
diff --git a/packages/rum-core/src/domain/resource/resourceCollection.spec.ts b/packages/rum-core/src/domain/resource/resourceCollection.spec.ts
index 2d658c0763..6edea7528c 100644
--- a/packages/rum-core/src/domain/resource/resourceCollection.spec.ts
+++ b/packages/rum-core/src/domain/resource/resourceCollection.spec.ts
@@ -1,5 +1,5 @@
 import type { Duration, RelativeTime, ServerDuration, TimeStamp } from '@datadog/browser-core'
-import { isIE, RequestType, ResourceType } from '@datadog/browser-core'
+import { RequestType, ResourceType } from '@datadog/browser-core'
 import type { RumFetchResourceEventDomainContext, RumXhrResourceEventDomainContext } from '../../domainContext.types'
 import { setup, createPerformanceEntry, mockPerformanceObserver } from '../../../test'
 import type { TestSetupBuilder } from '../../../test'
@@ -188,9 +188,6 @@ describe('resourceCollection', () => {
   })
 
   it('should create resource from completed fetch request', () => {
-    if (isIE()) {
-      pending('No IE support')
-    }
     const { lifeCycle, rawRumEvents } = build()
     const response = new Response()
     lifeCycle.notify(
@@ -240,9 +237,6 @@ describe('resourceCollection', () => {
     it(`should support ${
       typeof input === 'object' ? JSON.stringify(input) : String(input)
     } as fetch input parameter`, () => {
-      if (isIE()) {
-        pending('No IE support')
-      }
       const { lifeCycle, rawRumEvents } = build()
       lifeCycle.notify(
         LifeCycleEventType.REQUEST_COMPLETED,
@@ -395,10 +389,6 @@ describe('resourceCollection', () => {
   })
 
   it('should collect handlingStack from completed fetch request', () => {
-    if (isIE()) {
-      pending('No IE support')
-    }
-
     const { lifeCycle, rawRumEvents } = build()
     const response = new Response()
     lifeCycle.notify(LifeCycleEventType.REQUEST_COMPLETED, createCompletedRequest({ response }))
diff --git a/packages/rum-core/src/domain/rumSessionManager.spec.ts b/packages/rum-core/src/domain/rumSessionManager.spec.ts
index 73e533f44b..96cf8e3ee5 100644
--- a/packages/rum-core/src/domain/rumSessionManager.spec.ts
+++ b/packages/rum-core/src/domain/rumSessionManager.spec.ts
@@ -3,7 +3,6 @@ import {
   STORAGE_POLL_DELAY,
   SESSION_STORE_KEY,
   getCookie,
-  isIE,
   setCookie,
   stopSessionManager,
   ONE_SECOND,
@@ -40,9 +39,6 @@ describe('rum session manager', () => {
   let clock: Clock
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('no full rum support')
-    }
     clock = mockClock()
     expireSessionSpy = jasmine.createSpy('expireSessionSpy')
     renewSessionSpy = jasmine.createSpy('renewSessionSpy')
diff --git a/packages/rum-core/src/domain/tracing/tracer.spec.ts b/packages/rum-core/src/domain/tracing/tracer.spec.ts
index eff44929d8..0953a59db4 100644
--- a/packages/rum-core/src/domain/tracing/tracer.spec.ts
+++ b/packages/rum-core/src/domain/tracing/tracer.spec.ts
@@ -1,4 +1,4 @@
-import { display, isIE, objectEntries, TraceContextInjection } from '@datadog/browser-core'
+import { display, objectEntries, TraceContextInjection } from '@datadog/browser-core'
 import type { RumSessionManagerMock } from '../../../test'
 import { createRumSessionManagerMock } from '../../../test'
 import type { RumFetchResolveContext, RumFetchStartContext, RumXhrStartContext } from '../requestCollection'
@@ -288,12 +288,6 @@ describe('tracer', () => {
   })
 
   describe('traceFetch', () => {
-    beforeEach(() => {
-      if (isIE()) {
-        pending('no fetch support')
-      }
-    })
-
     it('should add traceId and spanId to context, and add tracing headers', () => {
       const context: Partial<RumFetchStartContext> = { ...ALLOWED_DOMAIN_CONTEXT }
       const tracer = startTracer(configuration, sessionManager)
diff --git a/packages/rum-core/src/domain/view/viewMetrics/trackScrollMetrics.spec.ts b/packages/rum-core/src/domain/view/viewMetrics/trackScrollMetrics.spec.ts
index 06755cee7b..a247efc908 100644
--- a/packages/rum-core/src/domain/view/viewMetrics/trackScrollMetrics.spec.ts
+++ b/packages/rum-core/src/domain/view/viewMetrics/trackScrollMetrics.spec.ts
@@ -1,5 +1,5 @@
 import type { Duration, RelativeTime, Subscription, TimeStamp } from '@datadog/browser-core'
-import { DOM_EVENT, Observable, isIE } from '@datadog/browser-core'
+import { DOM_EVENT, Observable } from '@datadog/browser-core'
 import type { Clock } from '@datadog/browser-core/test'
 import { createNewEvent, mockClock, registerCleanupTask } from '@datadog/browser-core/test'
 import type { RumConfiguration } from '../../configuration'
@@ -22,10 +22,6 @@ describe('createScrollValuesObserver', () => {
   }
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-
     registerCleanupTask(() => {
       subscription.unsubscribe()
       document.body.innerHTML = ''
diff --git a/packages/rum/BROWSER_SUPPORT.md b/packages/rum/BROWSER_SUPPORT.md
index bee0786ae7..b16d7b417c 100644
--- a/packages/rum/BROWSER_SUPPORT.md
+++ b/packages/rum/BROWSER_SUPPORT.md
@@ -1,25 +1,25 @@
 # Browser Support
 
-| Feature           | Chrome | Firefox | Safari | Edge | Chrome Android | Safari iOS | IE11  | < IE11 | Opera |
-| ----------------- | ------ | ------- | ------ | ---- | -------------- | ---------- | ----- | ------ | ----- |
-| loading           | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅    | ❌     | ✅    |
-| init              | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅    | ❌     | ✅    |
-| rum request       | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅    | ❌     | ✅    |
-| flush on hide     | ✅     | ✅      | ✅     | ✅   | ✅             | ❌         | ❌    | ❌     | ✅    |
-| console error     | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅    | ❌     | ✅    |
-| runtime error     | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅    | ❌     | ✅    |
-| CSP violation     | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌    | ❌     | ✅    |
-| intervention      | ✅     | ❌      | ❌     | ✅   | ✅             | ❌         | ❌    | ❌     | ✅    |
-| auto action       | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅    | ❌     | ✅    |
-| custom action     | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅    | ❌     | ✅    |
-| long task         | ✅     | ❌      | ❌     | ✅   | ✅             | ❌         | ❌    | ❌     | ✅    |
-| tracing           | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅    | ❌     | ✅    |
-| route change      | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅    | ❌     | ✅    |
-| loading time      | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅    | ❌     | ✅    |
-| resource timing   | ✅     | ✅      | ⚠️(2)  | ✅   | ✅             | ⚠️(2)      | ⚠️(3) | ❌     | ✅    |
-| navigation timing | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ✅    | ❌     | ✅    |
-| web vitals        | ✅     | ⚠️(1)   | ⚠️(1)  | ✅   | ✅             | ⚠️(1)      | ❌    | ❌     | ✅    |
-| FCP               | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌    | ❌     | ✅    |
+| Feature           | Chrome | Firefox | Safari | Edge | Chrome Android | Safari iOS | IE  | Opera |
+| ----------------- | ------ | ------- | ------ | ---- | -------------- | ---------- | --- | ----- |
+| loading           | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| init              | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| rum request       | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| flush on hide     | ✅     | ✅      | ✅     | ✅   | ✅             | ❌         | ❌  | ✅    |
+| console error     | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| runtime error     | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| CSP violation     | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| intervention      | ✅     | ❌      | ❌     | ✅   | ✅             | ❌         | ❌  | ✅    |
+| auto action       | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| custom action     | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| long task         | ✅     | ❌      | ❌     | ✅   | ✅             | ❌         | ❌  | ✅    |
+| tracing           | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| route change      | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| loading time      | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| resource timing   | ✅     | ✅      | ⚠️(2)  | ✅   | ✅             | ⚠️(2)      | ❌  | ✅    |
+| navigation timing | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
+| web vitals        | ✅     | ⚠️(1)   | ⚠️(1)  | ✅   | ✅             | ⚠️(1)      | ❌  | ✅    |
+| FCP               | ✅     | ✅      | ✅     | ✅   | ✅             | ✅         | ❌  | ✅    |
 
 1. FID only
 2. size information not available
diff --git a/packages/rum/src/boot/recorderApi.spec.ts b/packages/rum/src/boot/recorderApi.spec.ts
index 1cc63f0610..09ecba102e 100644
--- a/packages/rum/src/boot/recorderApi.spec.ts
+++ b/packages/rum/src/boot/recorderApi.spec.ts
@@ -1,5 +1,5 @@
 import type { DeflateEncoder, DeflateWorker, DeflateWorkerAction } from '@datadog/browser-core'
-import { BridgeCapability, PageExitReason, display, isIE } from '@datadog/browser-core'
+import { BridgeCapability, PageExitReason, display } from '@datadog/browser-core'
 import type { RecorderApi, ViewContexts, LifeCycle, RumConfiguration } from '@datadog/browser-rum-core'
 import { LifeCycleEventType } from '@datadog/browser-rum-core'
 import { mockEventBridge, createNewEvent, registerCleanupTask } from '@datadog/browser-core/test'
@@ -24,9 +24,6 @@ describe('makeRecorderApi', () => {
   let startSessionReplayRecordingManually: boolean
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
     startSessionReplayRecordingManually = false
 
     mockWorker = new MockWorker()
diff --git a/packages/rum/src/boot/startRecording.spec.ts b/packages/rum/src/boot/startRecording.spec.ts
index 53f48487a0..9404168f3d 100644
--- a/packages/rum/src/boot/startRecording.spec.ts
+++ b/packages/rum/src/boot/startRecording.spec.ts
@@ -1,5 +1,5 @@
 import type { TimeStamp, HttpRequest } from '@datadog/browser-core'
-import { PageExitReason, DefaultPrivacyLevel, noop, isIE, DeflateEncoderStreamId } from '@datadog/browser-core'
+import { PageExitReason, DefaultPrivacyLevel, noop, DeflateEncoderStreamId } from '@datadog/browser-core'
 import type { LifeCycle, ViewCreatedEvent, RumConfiguration } from '@datadog/browser-rum-core'
 import { LifeCycleEventType, startViewContexts } from '@datadog/browser-rum-core'
 import type { Clock } from '@datadog/browser-core/test'
@@ -29,9 +29,6 @@ describe('startRecording', () => {
   let configuration: RumConfiguration
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
     configuration = {} as RumConfiguration
     resetReplayStats()
     sessionManager = createRumSessionManagerMock()
diff --git a/packages/rum/src/domain/deflate/deflateWorker.spec.ts b/packages/rum/src/domain/deflate/deflateWorker.spec.ts
index 180531e638..5afe93726b 100644
--- a/packages/rum/src/domain/deflate/deflateWorker.spec.ts
+++ b/packages/rum/src/domain/deflate/deflateWorker.spec.ts
@@ -1,5 +1,5 @@
 import type { RawTelemetryEvent } from '@datadog/browser-core'
-import { display, isIE, resetTelemetry, startFakeTelemetry } from '@datadog/browser-core'
+import { display, resetTelemetry, startFakeTelemetry } from '@datadog/browser-core'
 import type { RumConfiguration } from '@datadog/browser-rum-core'
 import type { Clock } from '@datadog/browser-core/test'
 import { mockClock, registerCleanupTask } from '@datadog/browser-core/test'
@@ -75,9 +75,6 @@ describe('startDeflateWorker', () => {
     let displaySpy: jasmine.Spy
 
     beforeEach(() => {
-      if (isIE()) {
-        pending('IE does not support CSP blocking worker creation')
-      }
       displaySpy = spyOn(display, 'error')
       telemetryEvents = startFakeTelemetry()
       CSP_ERROR = new DOMException(
diff --git a/packages/rum/src/domain/getSessionReplayLink.spec.ts b/packages/rum/src/domain/getSessionReplayLink.spec.ts
index e4a8351e72..9229881bd7 100644
--- a/packages/rum/src/domain/getSessionReplayLink.spec.ts
+++ b/packages/rum/src/domain/getSessionReplayLink.spec.ts
@@ -1,5 +1,5 @@
-import { isIE } from '@datadog/browser-core'
 import type { RumConfiguration, ViewContexts } from '@datadog/browser-rum-core'
+import { registerCleanupTask } from '@datadog/browser-core/test'
 import { createRumSessionManagerMock } from '../../../rum-core/test'
 import { getSessionReplayLink } from './getSessionReplayLink'
 import { addRecord, resetReplayStats } from './replayStats'
@@ -18,11 +18,7 @@ describe('getReplayLink', () => {
 
     const link = getSessionReplayLink(DEFAULT_CONFIGURATION, sessionManager, viewContexts, true)
 
-    expect(link).toBe(
-      isIE()
-        ? 'https://dd.datad0g.com/rum/replay/sessions/session-id-1?error-type=browser-not-supported'
-        : 'https://dd.datad0g.com/rum/replay/sessions/session-id-1?'
-    )
+    expect(link).toBe('https://dd.datad0g.com/rum/replay/sessions/session-id-1?')
   })
 
   it('should return the replay link', () => {
@@ -44,11 +40,7 @@ describe('getReplayLink', () => {
       true
     )
 
-    expect(link).toBe(
-      isIE()
-        ? 'https://toto.datadoghq.com/rum/replay/sessions/session-id-1?error-type=browser-not-supported&seed=view-id-1&from=123456'
-        : 'https://toto.datadoghq.com/rum/replay/sessions/session-id-1?seed=view-id-1&from=123456'
-    )
+    expect(link).toBe('https://toto.datadoghq.com/rum/replay/sessions/session-id-1?seed=view-id-1&from=123456')
   })
 
   it('should return link when replay is forced', () => {
@@ -74,11 +66,7 @@ describe('getReplayLink', () => {
       true
     )
 
-    expect(link).toBe(
-      isIE()
-        ? 'https://toto.datadoghq.com/rum/replay/sessions/session-id-1?error-type=browser-not-supported&seed=view-id-1&from=123456'
-        : 'https://toto.datadoghq.com/rum/replay/sessions/session-id-1?seed=view-id-1&from=123456'
-    )
+    expect(link).toBe('https://toto.datadoghq.com/rum/replay/sessions/session-id-1?seed=view-id-1&from=123456')
   })
 
   it('return a param if replay is sampled out', () => {
@@ -98,9 +86,8 @@ describe('getReplayLink', () => {
       viewContexts,
       true
     )
-    const errorType = isIE() ? 'browser-not-supported' : 'incorrect-session-plan'
     expect(link).toBe(
-      `https://app.datadoghq.com/rum/replay/sessions/session-id-1?error-type=${errorType}&seed=view-id-1&from=123456`
+      'https://app.datadoghq.com/rum/replay/sessions/session-id-1?error-type=incorrect-session-plan&seed=view-id-1&from=123456'
     )
   })
 
@@ -117,8 +104,7 @@ describe('getReplayLink', () => {
       true
     )
 
-    const errorType = isIE() ? 'browser-not-supported' : 'rum-not-tracked'
-    expect(link).toBe(`https://app.datadoghq.com/rum/replay/sessions/no-session-id?error-type=${errorType}`)
+    expect(link).toBe('https://app.datadoghq.com/rum/replay/sessions/no-session-id?error-type=rum-not-tracked')
   })
 
   it('should add a param if the replay was not started', () => {
@@ -139,9 +125,43 @@ describe('getReplayLink', () => {
       false
     )
 
-    const errorType = isIE() ? 'browser-not-supported' : 'replay-not-started'
     expect(link).toBe(
-      `https://app.datadoghq.com/rum/replay/sessions/session-id-1?error-type=${errorType}&seed=view-id-1&from=123456`
+      'https://app.datadoghq.com/rum/replay/sessions/session-id-1?error-type=replay-not-started&seed=view-id-1&from=123456'
     )
   })
+
+  describe('browser not supported', () => {
+    beforeEach(() => {
+      // browser support function rely on Array.from being a function.
+      const original = Array.from
+      Array.from = undefined as any
+
+      registerCleanupTask(() => {
+        Array.from = original
+      })
+    })
+
+    it('should add a param if the browser is not supported', () => {
+      const sessionManager = createRumSessionManagerMock().setId('session-id-1')
+      const viewContexts = {
+        findView: () => ({
+          id: 'view-id-1',
+          startClocks: {
+            timeStamp: 123456,
+          },
+        }),
+      } as ViewContexts
+
+      const link = getSessionReplayLink(
+        { ...DEFAULT_CONFIGURATION, site: 'datadoghq.com' },
+        sessionManager,
+        viewContexts,
+        false
+      )
+
+      expect(link).toBe(
+        'https://app.datadoghq.com/rum/replay/sessions/session-id-1?error-type=browser-not-supported&seed=view-id-1&from=123456'
+      )
+    })
+  })
 })
diff --git a/packages/rum/src/domain/record/record.spec.ts b/packages/rum/src/domain/record/record.spec.ts
index b3df25a5e6..035cf8b4be 100644
--- a/packages/rum/src/domain/record/record.spec.ts
+++ b/packages/rum/src/domain/record/record.spec.ts
@@ -1,4 +1,4 @@
-import { DefaultPrivacyLevel, findLast, isIE } from '@datadog/browser-core'
+import { DefaultPrivacyLevel, findLast } from '@datadog/browser-core'
 import type { RumConfiguration, ViewCreatedEvent } from '@datadog/browser-rum-core'
 import { LifeCycle, LifeCycleEventType } from '@datadog/browser-rum-core'
 import type { Clock } from '@datadog/browser-core/test'
@@ -39,10 +39,6 @@ describe('record', () => {
   const FAKE_VIEW_ID = '123'
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-
     emitSpy = jasmine.createSpy()
 
     registerCleanupTask(() => {
diff --git a/packages/rum/src/domain/record/serialization/serializationUtils.spec.ts b/packages/rum/src/domain/record/serialization/serializationUtils.spec.ts
index 6ee0f8ced8..22bfcdcb23 100644
--- a/packages/rum/src/domain/record/serialization/serializationUtils.spec.ts
+++ b/packages/rum/src/domain/record/serialization/serializationUtils.spec.ts
@@ -1,4 +1,3 @@
-import { isIE } from '@datadog/browser-core'
 import { NodePrivacyLevel } from '@datadog/browser-rum-core'
 import {
   getSerializedNodeId,
@@ -37,12 +36,6 @@ describe('serialized Node storage in DOM Nodes', () => {
 })
 
 describe('getElementInputValue', () => {
-  beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-  })
-
   it('returns "undefined" for a non-input element', () => {
     expect(getElementInputValue(document.createElement('div'), NodePrivacyLevel.ALLOW)).toBeUndefined()
   })
diff --git a/packages/rum/src/domain/record/serialization/serializeAttribute.spec.ts b/packages/rum/src/domain/record/serialization/serializeAttribute.spec.ts
index 992a9a35db..9e813f7ba4 100644
--- a/packages/rum/src/domain/record/serialization/serializeAttribute.spec.ts
+++ b/packages/rum/src/domain/record/serialization/serializeAttribute.spec.ts
@@ -1,5 +1,3 @@
-import { isIE } from '@datadog/browser-core'
-
 import type { RumConfiguration } from '@datadog/browser-rum-core'
 import {
   STABLE_ATTRIBUTES,
@@ -13,12 +11,6 @@ import { serializeAttribute } from './serializeAttribute'
 const DEFAULT_CONFIGURATION = {} as RumConfiguration
 
 describe('serializeAttribute', () => {
-  beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-  })
-
   it('truncates "data:" URIs after long string length', () => {
     const node = document.createElement('p')
 
diff --git a/packages/rum/src/domain/record/serialization/serializeAttributes.spec.ts b/packages/rum/src/domain/record/serialization/serializeAttributes.spec.ts
index 1aaab9b4e1..9fea88a3e4 100644
--- a/packages/rum/src/domain/record/serialization/serializeAttributes.spec.ts
+++ b/packages/rum/src/domain/record/serialization/serializeAttributes.spec.ts
@@ -1,4 +1,3 @@
-import { isIE } from '@datadog/browser-core'
 import { registerCleanupTask } from '@datadog/browser-core/test'
 import { getCssRulesString } from './serializeAttributes'
 
@@ -8,9 +7,6 @@ describe('getCssRulesString', () => {
   let styleNode: HTMLStyleElement
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
     styleNode = document.createElement('style')
     document.body.appendChild(styleNode)
 
diff --git a/packages/rum/src/domain/record/serialization/serializeNode.spec.ts b/packages/rum/src/domain/record/serialization/serializeNode.spec.ts
index 7166308ba4..fb0a6bf612 100644
--- a/packages/rum/src/domain/record/serialization/serializeNode.spec.ts
+++ b/packages/rum/src/domain/record/serialization/serializeNode.spec.ts
@@ -1,4 +1,4 @@
-import { isIE, noop } from '@datadog/browser-core'
+import { noop } from '@datadog/browser-core'
 import type { RumConfiguration } from '@datadog/browser-rum-core'
 import { isAdoptedStyleSheetsSupported, registerCleanupTask } from '@datadog/browser-core/test'
 import {
@@ -57,12 +57,6 @@ describe('serializeNodeWithId', () => {
     addShadowRootSpy = jasmine.createSpy<ShadowRootCallBack>()
   })
 
-  beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-  })
-
   describe('document serialization', () => {
     it('serializes a document', () => {
       const document = new DOMParser().parseFromString('<!doctype html><html>foo</html>', 'text/html')
@@ -805,10 +799,6 @@ describe('serializeDocumentNode handles', function testAllowDomTree() {
   const toJSONObj = (data: any) => JSON.parse(JSON.stringify(data)) as unknown
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-
     registerCleanupTask(() => {
       if (isAdoptedStyleSheetsSupported()) {
         document.adoptedStyleSheets = []
diff --git a/packages/rum/src/domain/record/startFullSnapshots.spec.ts b/packages/rum/src/domain/record/startFullSnapshots.spec.ts
index fbd83ab367..c8eea8c778 100644
--- a/packages/rum/src/domain/record/startFullSnapshots.spec.ts
+++ b/packages/rum/src/domain/record/startFullSnapshots.spec.ts
@@ -1,7 +1,7 @@
 import type { RumConfiguration, ViewCreatedEvent } from '@datadog/browser-rum-core'
 import { LifeCycle, LifeCycleEventType } from '@datadog/browser-rum-core'
 import type { TimeStamp } from '@datadog/browser-core'
-import { isIE, noop } from '@datadog/browser-core'
+import { noop } from '@datadog/browser-core'
 import { mockExperimentalFeatures, mockRequestIdleCallback } from '@datadog/browser-core/test'
 import type { BrowserRecord } from '../../types'
 import { ExperimentalFeature } from '../../../../core/src/tools/experimentalFeatures'
@@ -17,10 +17,6 @@ describe('startFullSnapshots', () => {
   let fullSnapshotReadyCallback: jasmine.Spy<(records: BrowserRecord[]) => void>
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-
     lifeCycle = new LifeCycle()
     mockExperimentalFeatures([ExperimentalFeature.ASYNC_FULL_SNAPSHOT])
     fullSnapshotPendingCallback = jasmine.createSpy('fullSnapshotPendingCallback')
diff --git a/packages/rum/src/domain/record/trackers/trackFocus.spec.ts b/packages/rum/src/domain/record/trackers/trackFocus.spec.ts
index ded044c7f5..a4575b33ec 100644
--- a/packages/rum/src/domain/record/trackers/trackFocus.spec.ts
+++ b/packages/rum/src/domain/record/trackers/trackFocus.spec.ts
@@ -1,4 +1,4 @@
-import { DefaultPrivacyLevel, isIE } from '@datadog/browser-core'
+import { DefaultPrivacyLevel } from '@datadog/browser-core'
 import { createNewEvent, registerCleanupTask } from '@datadog/browser-core/test'
 import type { RumConfiguration } from '@datadog/browser-rum-core'
 import { RecordType } from '../../../types'
@@ -11,9 +11,6 @@ describe('trackFocus', () => {
   let configuration: RumConfiguration
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
     configuration = { defaultPrivacyLevel: DefaultPrivacyLevel.ALLOW } as RumConfiguration
     focusCallback = jasmine.createSpy()
     focusTracker = trackFocus(configuration, focusCallback)
diff --git a/packages/rum/src/domain/record/trackers/trackFrustration.spec.ts b/packages/rum/src/domain/record/trackers/trackFrustration.spec.ts
index b59275ac56..00e29c6225 100644
--- a/packages/rum/src/domain/record/trackers/trackFrustration.spec.ts
+++ b/packages/rum/src/domain/record/trackers/trackFrustration.spec.ts
@@ -1,4 +1,3 @@
-import { isIE } from '@datadog/browser-core'
 import type { RawRumActionEvent } from '@datadog/browser-rum-core'
 import { ActionType, LifeCycle, LifeCycleEventType } from '@datadog/browser-rum-core'
 import type { RawRumEventCollectedData } from 'packages/rum-core/src/domain/lifeCycle'
@@ -20,9 +19,6 @@ describe('trackFrustration', () => {
   let recordIds: RecordIds
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
     mouseEvent = new MouseEvent('pointerup')
     frustrationsCallbackSpy = jasmine.createSpy()
     recordIds = initRecordIds()
diff --git a/packages/rum/src/domain/record/trackers/trackInput.spec.ts b/packages/rum/src/domain/record/trackers/trackInput.spec.ts
index ce6be674dd..b8d53e8278 100644
--- a/packages/rum/src/domain/record/trackers/trackInput.spec.ts
+++ b/packages/rum/src/domain/record/trackers/trackInput.spec.ts
@@ -1,4 +1,4 @@
-import { DefaultPrivacyLevel, isIE } from '@datadog/browser-core'
+import { DefaultPrivacyLevel } from '@datadog/browser-core'
 import type { Clock } from '@datadog/browser-core/test'
 import { createNewEvent, mockClock, registerCleanupTask } from '@datadog/browser-core/test'
 import type { RumConfiguration } from '@datadog/browser-rum-core'
@@ -20,9 +20,6 @@ describe('trackInput', () => {
   let configuration: RumConfiguration
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
     configuration = { defaultPrivacyLevel: DefaultPrivacyLevel.ALLOW } as RumConfiguration
     inputCallbackSpy = jasmine.createSpy()
     input = appendElement('<div><input target /></div>') as HTMLInputElement
diff --git a/packages/rum/src/domain/record/trackers/trackMediaInteraction.spec.ts b/packages/rum/src/domain/record/trackers/trackMediaInteraction.spec.ts
index d436beb50f..d7f621af96 100644
--- a/packages/rum/src/domain/record/trackers/trackMediaInteraction.spec.ts
+++ b/packages/rum/src/domain/record/trackers/trackMediaInteraction.spec.ts
@@ -1,4 +1,4 @@
-import { DefaultPrivacyLevel, isIE } from '@datadog/browser-core'
+import { DefaultPrivacyLevel } from '@datadog/browser-core'
 import { createNewEvent, registerCleanupTask } from '@datadog/browser-core/test'
 import type { RumConfiguration } from '@datadog/browser-rum-core'
 import { appendElement } from '../../../../../rum-core/test'
@@ -17,9 +17,6 @@ describe('trackMediaInteraction', () => {
   let configuration: RumConfiguration
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
     configuration = { defaultPrivacyLevel: DefaultPrivacyLevel.ALLOW } as RumConfiguration
     mediaInteractionCallback = jasmine.createSpy()
 
diff --git a/packages/rum/src/domain/record/trackers/trackMouseInteraction.spec.ts b/packages/rum/src/domain/record/trackers/trackMouseInteraction.spec.ts
index 789c28b707..7f4875030c 100644
--- a/packages/rum/src/domain/record/trackers/trackMouseInteraction.spec.ts
+++ b/packages/rum/src/domain/record/trackers/trackMouseInteraction.spec.ts
@@ -1,4 +1,4 @@
-import { DOM_EVENT, DefaultPrivacyLevel, isIE } from '@datadog/browser-core'
+import { DOM_EVENT, DefaultPrivacyLevel } from '@datadog/browser-core'
 import { createNewEvent, registerCleanupTask } from '@datadog/browser-core/test'
 import type { RumConfiguration } from '@datadog/browser-rum-core'
 import { appendElement } from '../../../../../rum-core/test'
@@ -20,10 +20,6 @@ describe('trackMouseInteraction', () => {
   let configuration: RumConfiguration
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-
     configuration = { defaultPrivacyLevel: DefaultPrivacyLevel.ALLOW } as RumConfiguration
     a = appendElement('<a tabindex="0"></a>') as HTMLAnchorElement // tabindex 0 makes the element focusable
     a.dispatchEvent(createNewEvent(DOM_EVENT.FOCUS))
diff --git a/packages/rum/src/domain/record/trackers/trackMove.spec.ts b/packages/rum/src/domain/record/trackers/trackMove.spec.ts
index c4d86a4316..1d989c9c12 100644
--- a/packages/rum/src/domain/record/trackers/trackMove.spec.ts
+++ b/packages/rum/src/domain/record/trackers/trackMove.spec.ts
@@ -1,4 +1,3 @@
-import { isIE } from '@datadog/browser-core'
 import { createNewEvent, registerCleanupTask } from '@datadog/browser-core/test'
 import type { RumConfiguration } from '@datadog/browser-rum-core'
 import { SerializationContextStatus, serializeDocument } from '../serialization'
@@ -15,10 +14,6 @@ describe('trackMove', () => {
   let configuration: RumConfiguration
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-
     configuration = {} as RumConfiguration
     serializeDocument(document, DEFAULT_CONFIGURATION, {
       shadowRootsController: DEFAULT_SHADOW_ROOT_CONTROLLER,
diff --git a/packages/rum/src/domain/record/trackers/trackMutation.spec.ts b/packages/rum/src/domain/record/trackers/trackMutation.spec.ts
index a18b00c98a..732edb7c2a 100644
--- a/packages/rum/src/domain/record/trackers/trackMutation.spec.ts
+++ b/packages/rum/src/domain/record/trackers/trackMutation.spec.ts
@@ -1,4 +1,4 @@
-import { DefaultPrivacyLevel, isIE } from '@datadog/browser-core'
+import { DefaultPrivacyLevel } from '@datadog/browser-core'
 import type { RumConfiguration } from '@datadog/browser-rum-core'
 import { collectAsyncCalls, registerCleanupTask } from '@datadog/browser-core/test'
 import {
@@ -64,10 +64,6 @@ describe('trackMutation', () => {
   }
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-
     sandbox = appendElement('<div id="sandbox"></div>')
 
     registerCleanupTask(() => {
diff --git a/packages/rum/src/domain/record/trackers/trackScroll.spec.ts b/packages/rum/src/domain/record/trackers/trackScroll.spec.ts
index a97cca4477..f53d4c47a4 100644
--- a/packages/rum/src/domain/record/trackers/trackScroll.spec.ts
+++ b/packages/rum/src/domain/record/trackers/trackScroll.spec.ts
@@ -1,4 +1,4 @@
-import { DefaultPrivacyLevel, isIE } from '@datadog/browser-core'
+import { DefaultPrivacyLevel } from '@datadog/browser-core'
 import { createNewEvent, registerCleanupTask } from '@datadog/browser-core/test'
 import type { RumConfiguration } from '@datadog/browser-rum-core'
 import { appendElement } from '../../../../../rum-core/test'
@@ -19,9 +19,6 @@ describe('trackScroll', () => {
   let elementsScrollPositions: ElementsScrollPositions
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
     configuration = { defaultPrivacyLevel: DefaultPrivacyLevel.ALLOW } as RumConfiguration
     elementsScrollPositions = createElementsScrollPositions()
     scrollCallback = jasmine.createSpy()
diff --git a/packages/rum/src/domain/record/trackers/trackStyleSheet.spec.ts b/packages/rum/src/domain/record/trackers/trackStyleSheet.spec.ts
index 339b57f032..b68e8f6c96 100644
--- a/packages/rum/src/domain/record/trackers/trackStyleSheet.spec.ts
+++ b/packages/rum/src/domain/record/trackers/trackStyleSheet.spec.ts
@@ -1,4 +1,3 @@
-import { isIE } from '@datadog/browser-core'
 import { isFirefox, registerCleanupTask } from '@datadog/browser-core/test'
 import { serializeDocument, SerializationContextStatus } from '../serialization'
 import { createElementsScrollPositions } from '../elementsScrollPositions'
@@ -16,9 +15,6 @@ describe('trackStyleSheet', () => {
   const styleRule = '.selector-1 { color: #fff }'
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
     styleSheetCallbackSpy = jasmine.createSpy()
     styleElement = document.createElement('style')
     document.head.appendChild(styleElement)
@@ -188,9 +184,6 @@ describe('StyleSheetObserver > getPathToNestedCSSRule', () => {
   let styleSheet: CSSStyleSheet
   let styleElement: HTMLStyleElement
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
     styleElement = document.createElement('style')
     document.head.appendChild(styleElement)
     styleSheet = styleElement.sheet!
diff --git a/packages/rum/src/domain/record/trackers/trackViewportResize.spec.ts b/packages/rum/src/domain/record/trackers/trackViewportResize.spec.ts
index f4c8a5132a..caa121dafd 100644
--- a/packages/rum/src/domain/record/trackers/trackViewportResize.spec.ts
+++ b/packages/rum/src/domain/record/trackers/trackViewportResize.spec.ts
@@ -1,4 +1,4 @@
-import { DefaultPrivacyLevel, isIE } from '@datadog/browser-core'
+import { DefaultPrivacyLevel } from '@datadog/browser-core'
 import { createNewEvent, registerCleanupTask } from '@datadog/browser-core/test'
 import type { RumConfiguration } from '@datadog/browser-rum-core'
 import { serializeDocument, SerializationContextStatus } from '../serialization'
@@ -17,9 +17,6 @@ describe('trackViewportResize', () => {
   let elementsScrollPositions: ElementsScrollPositions
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
     configuration = { defaultPrivacyLevel: DefaultPrivacyLevel.ALLOW } as RumConfiguration
     elementsScrollPositions = createElementsScrollPositions()
     visualViewportResizeCallback = jasmine.createSpy()
diff --git a/packages/rum/src/domain/segmentCollection/buildReplayPayload.spec.ts b/packages/rum/src/domain/segmentCollection/buildReplayPayload.spec.ts
index f5c630a700..4a52d2dea9 100644
--- a/packages/rum/src/domain/segmentCollection/buildReplayPayload.spec.ts
+++ b/packages/rum/src/domain/segmentCollection/buildReplayPayload.spec.ts
@@ -1,5 +1,4 @@
 import pako from 'pako'
-import { isIE } from '@datadog/browser-core'
 import type { BrowserSegment, BrowserSegmentMetadata } from '../../types'
 import { readReplayPayload } from '../../../test'
 import { buildReplayPayload } from './buildReplayPayload'
@@ -24,12 +23,6 @@ describe('buildReplayPayload', () => {
     compressed_segment_size: COMPRESSED_SEGMENT.byteLength,
   }
 
-  beforeEach(() => {
-    if (isIE()) {
-      pending('no TextEncoder support')
-    }
-  })
-
   it('adds the segment as a file', async () => {
     const payload = buildReplayPayload(COMPRESSED_SEGMENT, METADATA, SERIALIZED_SEGMENT.length)
     const segmentEntry = (payload.data as FormData).get('segment')! as File
diff --git a/packages/rum/src/domain/segmentCollection/segment.spec.ts b/packages/rum/src/domain/segmentCollection/segment.spec.ts
index 067a1c2002..54104cd132 100644
--- a/packages/rum/src/domain/segmentCollection/segment.spec.ts
+++ b/packages/rum/src/domain/segmentCollection/segment.spec.ts
@@ -1,5 +1,5 @@
 import type { DeflateEncoder, TimeStamp } from '@datadog/browser-core'
-import { noop, setDebugMode, isIE, DeflateEncoderStreamId } from '@datadog/browser-core'
+import { noop, setDebugMode, DeflateEncoderStreamId } from '@datadog/browser-core'
 import type { RumConfiguration } from '@datadog/browser-rum-core'
 import { registerCleanupTask } from '@datadog/browser-core/test'
 import { MockWorker } from '../../../test'
@@ -29,10 +29,6 @@ describe('Segment', () => {
   let encoder: DeflateEncoder
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
-
     worker = new MockWorker()
     encoder = createDeflateEncoder(configuration, worker, DeflateEncoderStreamId.REPLAY)
     setDebugMode(true)
diff --git a/packages/rum/src/domain/segmentCollection/segmentCollection.spec.ts b/packages/rum/src/domain/segmentCollection/segmentCollection.spec.ts
index 239ebc18bf..d5c30c63cf 100644
--- a/packages/rum/src/domain/segmentCollection/segmentCollection.spec.ts
+++ b/packages/rum/src/domain/segmentCollection/segmentCollection.spec.ts
@@ -1,5 +1,5 @@
 import type { ClocksState, HttpRequest, TimeStamp } from '@datadog/browser-core'
-import { DeflateEncoderStreamId, PageExitReason, isIE } from '@datadog/browser-core'
+import { DeflateEncoderStreamId, PageExitReason } from '@datadog/browser-core'
 import type { ViewContexts, ViewContext, RumConfiguration } from '@datadog/browser-rum-core'
 import { LifeCycle, LifeCycleEventType } from '@datadog/browser-rum-core'
 import type { Clock } from '@datadog/browser-core/test'
@@ -58,9 +58,6 @@ describe('startSegmentCollection', () => {
   }
 
   beforeEach(() => {
-    if (isIE()) {
-      pending('IE not supported')
-    }
     configuration = {} as RumConfiguration
     lifeCycle = new LifeCycle()
     worker = new MockWorker()
diff --git a/test/browsers.conf.js b/test/browsers.conf.js
index 03bd46219b..e9d6f1f6b9 100644
--- a/test/browsers.conf.js
+++ b/test/browsers.conf.js
@@ -36,13 +36,6 @@ const browserConfigurations = [
     osVersion: '14',
     device: 'iPhone 11',
   },
-  {
-    sessionName: 'IE',
-    name: 'IE',
-    version: '11.0',
-    os: 'Windows',
-    osVersion: '10',
-  },
 ]
 
 module.exports = {
diff --git a/test/e2e/lib/helpers/browser.ts b/test/e2e/lib/helpers/browser.ts
index f81ad40186..260d098f19 100644
--- a/test/e2e/lib/helpers/browser.ts
+++ b/test/e2e/lib/helpers/browser.ts
@@ -2,7 +2,7 @@ import * as os from 'os'
 
 // To keep tests sane, ensure we got a fixed list of possible platforms and browser names.
 const validPlatformNames = ['windows', 'macos', 'linux', 'ios', 'android'] as const
-const validBrowserNames = ['edge', 'safari', 'chrome', 'firefox', 'ie'] as const
+const validBrowserNames = ['edge', 'safari', 'chrome', 'firefox'] as const
 
 export function getBrowserName(): (typeof validBrowserNames)[number] {
   const capabilities = browser.capabilities
diff --git a/test/e2e/wdio.bs.conf.ts b/test/e2e/wdio.bs.conf.ts
index 53ff9ca9d7..7ab959baeb 100644
--- a/test/e2e/wdio.bs.conf.ts
+++ b/test/e2e/wdio.bs.conf.ts
@@ -11,7 +11,6 @@ export const config: Options.Testrunner = {
   capabilities: browserConfigurations
     .filter(
       (configuration) =>
-        configuration.sessionName !== 'IE' &&
         // Safari mobile on iOS <= 14.0 does not support
         // the way we flush events on page change
         // TODO check newer version on browserstack
diff --git a/test/unit/karma.bs.conf.js b/test/unit/karma.bs.conf.js
index f26a918f9b..24c1bfb937 100644
--- a/test/unit/karma.bs.conf.js
+++ b/test/unit/karma.bs.conf.js
@@ -6,12 +6,6 @@ module.exports = function (config) {
   config.set({
     ...karmaBaseConf,
     exclude: [
-      // Exclude rum-react from BrowserStack because it is using dependencies that are not compatible
-      // with IE11 (react and react-router). Just skipping tests with Jasmine `pending` is not
-      // enough because those dependencies are failing at module evaluation on IE11. This exclusion
-      // can be removed when dropping IE11 support.
-      'packages/rum-react/**',
-
       // Exclude developer-extension from BrowserStack because it is is only compatible with Chrome
       // so there is no point to test it on other browsers.
       'developer-extension/**',