diff --git a/packages/react-reconciler/src/__tests__/ReactDisableSchedulerTimeoutBasedOnReactExpirationTime-test.internal.js b/packages/react-reconciler/src/__tests__/ReactDisableSchedulerTimeoutBasedOnReactExpirationTime-test.internal.js
deleted file mode 100644
index c565f4a7b6d84..0000000000000
--- a/packages/react-reconciler/src/__tests__/ReactDisableSchedulerTimeoutBasedOnReactExpirationTime-test.internal.js
+++ /dev/null
@@ -1,100 +0,0 @@
-let React;
-let ReactFeatureFlags;
-let ReactNoop;
-let Scheduler;
-let Suspense;
-let scheduleCallback;
-let NormalPriority;
-let waitForAll;
-let waitFor;
-
-describe('ReactSuspenseList', () => {
-  beforeEach(() => {
-    jest.resetModules();
-    ReactFeatureFlags = require('shared/ReactFeatureFlags');
-
-    ReactFeatureFlags.replayFailedUnitOfWorkWithInvokeGuardedCallback = false;
-    ReactFeatureFlags.disableSchedulerTimeoutBasedOnReactExpirationTime = true;
-    React = require('react');
-    ReactNoop = require('react-noop-renderer');
-    Scheduler = require('scheduler');
-    Suspense = React.Suspense;
-
-    scheduleCallback = Scheduler.unstable_scheduleCallback;
-    NormalPriority = Scheduler.unstable_NormalPriority;
-
-    const InternalTestUtils = require('internal-test-utils');
-    waitForAll = InternalTestUtils.waitForAll;
-    waitFor = InternalTestUtils.waitFor;
-  });
-
-  function Text(props) {
-    Scheduler.log(props.text);
-    return props.text;
-  }
-
-  function createAsyncText(text) {
-    let resolved = false;
-    const Component = function () {
-      if (!resolved) {
-        Scheduler.log('Suspend! [' + text + ']');
-        throw promise;
-      }
-      return <Text text={text} />;
-    };
-    const promise = new Promise(resolve => {
-      Component.resolve = function () {
-        resolved = true;
-        return resolve();
-      };
-    });
-    return Component;
-  }
-
-  it('appends rendering tasks to the end of the priority queue', async () => {
-    const A = createAsyncText('A');
-    const B = createAsyncText('B');
-
-    function App({show}) {
-      return (
-        <Suspense fallback={<Text text="Loading..." />}>
-          {show ? <A /> : null}
-          {show ? <B /> : null}
-        </Suspense>
-      );
-    }
-
-    const root = ReactNoop.createRoot(null);
-
-    root.render(<App show={false} />);
-    await waitForAll([]);
-
-    React.startTransition(() => {
-      root.render(<App show={true} />);
-    });
-    await waitForAll(['Suspend! [A]', 'Loading...']);
-    expect(root).toMatchRenderedOutput(null);
-
-    Scheduler.unstable_advanceTime(2000);
-    expect(root).toMatchRenderedOutput(null);
-
-    scheduleCallback(NormalPriority, () => {
-      Scheduler.log('Resolve A');
-      A.resolve();
-    });
-    scheduleCallback(NormalPriority, () => {
-      Scheduler.log('Resolve B');
-      B.resolve();
-    });
-
-    // This resolves A and schedules a task for React to retry.
-    await waitFor(['Resolve A']);
-
-    // The next task that flushes should be the one that resolves B. The render
-    // task should not jump the queue ahead of B.
-    await waitFor(['Resolve B']);
-
-    await waitForAll(['A', 'B']);
-    expect(root).toMatchRenderedOutput('AB');
-  });
-});
diff --git a/packages/shared/ReactFeatureFlags.js b/packages/shared/ReactFeatureFlags.js
index 075f5e9cb6f70..e2eb954817b7a 100644
--- a/packages/shared/ReactFeatureFlags.js
+++ b/packages/shared/ReactFeatureFlags.js
@@ -14,7 +14,6 @@
 // -----------------------------------------------------------------------------
 
 export const enableComponentStackLocations = true;
-export const disableSchedulerTimeoutBasedOnReactExpirationTime = false;
 
 // -----------------------------------------------------------------------------
 // Killswitch
diff --git a/packages/shared/forks/ReactFeatureFlags.native-fb.js b/packages/shared/forks/ReactFeatureFlags.native-fb.js
index 592063f349c3e..f2ed0b48ff122 100644
--- a/packages/shared/forks/ReactFeatureFlags.native-fb.js
+++ b/packages/shared/forks/ReactFeatureFlags.native-fb.js
@@ -42,7 +42,6 @@ export const enableScopeAPI = false;
 export const enableCreateEventHandleAPI = false;
 export const enableSuspenseCallback = false;
 export const disableLegacyContext = false;
-export const disableSchedulerTimeoutBasedOnReactExpirationTime = false;
 export const revertRemovalOfSiblingPrerendering = false;
 export const enableTrustedTypesIntegration = false;
 export const disableTextareaChildren = false;
diff --git a/packages/shared/forks/ReactFeatureFlags.native-oss.js b/packages/shared/forks/ReactFeatureFlags.native-oss.js
index e6a8b63d52979..48a4750f59615 100644
--- a/packages/shared/forks/ReactFeatureFlags.native-oss.js
+++ b/packages/shared/forks/ReactFeatureFlags.native-oss.js
@@ -32,7 +32,6 @@ export const enableScopeAPI = false;
 export const enableCreateEventHandleAPI = false;
 export const enableSuspenseCallback = false;
 export const disableLegacyContext = false;
-export const disableSchedulerTimeoutBasedOnReactExpirationTime = false;
 export const revertRemovalOfSiblingPrerendering = false;
 export const enableTrustedTypesIntegration = false;
 export const disableTextareaChildren = false;
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.js
index 5e6d05bc3b9e4..e60068f3e1c67 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.js
@@ -32,7 +32,6 @@ export const enableScopeAPI = false;
 export const enableCreateEventHandleAPI = false;
 export const enableSuspenseCallback = false;
 export const disableLegacyContext = false;
-export const disableSchedulerTimeoutBasedOnReactExpirationTime = false;
 export const revertRemovalOfSiblingPrerendering = false;
 export const enableTrustedTypesIntegration = false;
 export const disableTextareaChildren = false;
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js
index 7ba0c0da99d36..5d94dc871e111 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js
@@ -32,7 +32,6 @@ export const enableScopeAPI = false;
 export const enableCreateEventHandleAPI = false;
 export const enableSuspenseCallback = false;
 export const disableLegacyContext = false;
-export const disableSchedulerTimeoutBasedOnReactExpirationTime = false;
 export const revertRemovalOfSiblingPrerendering = false;
 export const enableTrustedTypesIntegration = false;
 export const disableTextareaChildren = false;
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
index 6482d0fe460f6..7ac9d79271277 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
@@ -32,7 +32,6 @@ export const enableScopeAPI = true;
 export const enableCreateEventHandleAPI = false;
 export const enableSuspenseCallback = true;
 export const disableLegacyContext = false;
-export const disableSchedulerTimeoutBasedOnReactExpirationTime = false;
 export const revertRemovalOfSiblingPrerendering = false;
 export const enableTrustedTypesIntegration = false;
 export const disableTextareaChildren = false;
diff --git a/packages/shared/forks/ReactFeatureFlags.www-dynamic.js b/packages/shared/forks/ReactFeatureFlags.www-dynamic.js
index eae2363b6f9a8..15d775e750e14 100644
--- a/packages/shared/forks/ReactFeatureFlags.www-dynamic.js
+++ b/packages/shared/forks/ReactFeatureFlags.www-dynamic.js
@@ -59,7 +59,6 @@ export const revertRemovalOfSiblingPrerendering = false;
 // Update the tests so that they pass in either mode, then set these
 // to __VARIANT__.
 export const enableTrustedTypesIntegration = false;
-export const disableSchedulerTimeoutBasedOnReactExpirationTime = false;
 export const disableNativeComponentFrames = false;
 // You probably *don't* want to add more hardcoded ones.
 // Instead, try to add them above with the __VARIANT__ value.
diff --git a/packages/shared/forks/ReactFeatureFlags.www.js b/packages/shared/forks/ReactFeatureFlags.www.js
index f733aff93bccd..5c4bf8cc3956d 100644
--- a/packages/shared/forks/ReactFeatureFlags.www.js
+++ b/packages/shared/forks/ReactFeatureFlags.www.js
@@ -18,7 +18,6 @@ export const {
   disableInputAttributeSyncing,
   disableIEWorkarounds,
   enableTrustedTypesIntegration,
-  disableSchedulerTimeoutBasedOnReactExpirationTime,
   revertRemovalOfSiblingPrerendering,
   replayFailedUnitOfWorkWithInvokeGuardedCallback,
   enableLegacyFBSupport,