diff --git a/packages/shared/ReactFeatureFlags.js b/packages/shared/ReactFeatureFlags.js
index 5e74b30ef809a..cb41887de70b3 100644
--- a/packages/shared/ReactFeatureFlags.js
+++ b/packages/shared/ReactFeatureFlags.js
@@ -36,11 +36,6 @@ export const enableClientRenderFallbackOnTextMismatch = true;
 export const enableFormActions = true;
 export const enableAsyncActions = true;
 
-// Not sure if www still uses this. We don't have a replacement but whatever we
-// replace it with will likely be different than what's already there, so we
-// probably should just delete it as long as nothing in www relies on it.
-export const enableSchedulerDebugging = false;
-
 // Need to remove didTimeout argument from Scheduler before landing
 export const disableSchedulerTimeoutInWorkLoop = false;
 
diff --git a/packages/shared/forks/ReactFeatureFlags.native-fb.js b/packages/shared/forks/ReactFeatureFlags.native-fb.js
index d01f2197c75b8..3056b17cf2ebd 100644
--- a/packages/shared/forks/ReactFeatureFlags.native-fb.js
+++ b/packages/shared/forks/ReactFeatureFlags.native-fb.js
@@ -44,7 +44,6 @@ export const enableFormActions = true; // Doesn't affect Native
 export const enableBinaryFlight = true;
 export const enableTaint = true;
 export const enablePostpone = false;
-export const enableSchedulerDebugging = false;
 export const debugRenderPhaseSideEffectsForStrictMode = true;
 export const disableJavaScriptURLs = false;
 export const disableCommentsAsDOMContainers = true;
diff --git a/packages/shared/forks/ReactFeatureFlags.native-oss.js b/packages/shared/forks/ReactFeatureFlags.native-oss.js
index 4983bdded5d38..edc5fde74bf43 100644
--- a/packages/shared/forks/ReactFeatureFlags.native-oss.js
+++ b/packages/shared/forks/ReactFeatureFlags.native-oss.js
@@ -32,7 +32,6 @@ export const disableJavaScriptURLs = false;
 export const disableCommentsAsDOMContainers = true;
 export const disableInputAttributeSyncing = false;
 export const disableIEWorkarounds = true;
-export const enableSchedulerDebugging = false;
 export const enableScopeAPI = false;
 export const enableCreateEventHandleAPI = false;
 export const enableSuspenseCallback = false;
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.js
index 8da255a2fd204..968ce881d8a64 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.js
@@ -32,7 +32,6 @@ export const disableJavaScriptURLs = false;
 export const disableCommentsAsDOMContainers = true;
 export const disableInputAttributeSyncing = false;
 export const disableIEWorkarounds = true;
-export const enableSchedulerDebugging = false;
 export const enableScopeAPI = false;
 export const enableCreateEventHandleAPI = false;
 export const enableSuspenseCallback = false;
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js
index d4305560235ac..4ba0c828831c7 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 disableJavaScriptURLs = false;
 export const disableCommentsAsDOMContainers = true;
 export const disableInputAttributeSyncing = false;
 export const disableIEWorkarounds = true;
-export const enableSchedulerDebugging = false;
 export const enableScopeAPI = false;
 export const enableCreateEventHandleAPI = false;
 export const enableSuspenseCallback = false;
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
index f98285e867dcc..a48d7c3f5ccd0 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
@@ -28,7 +28,6 @@ export const enableFormActions = true; // Doesn't affect Test Renderer
 export const enableBinaryFlight = true;
 export const enableTaint = true;
 export const enablePostpone = false;
-export const enableSchedulerDebugging = false;
 export const disableJavaScriptURLs = false;
 export const disableCommentsAsDOMContainers = true;
 export const disableInputAttributeSyncing = false;
diff --git a/packages/shared/forks/ReactFeatureFlags.www.js b/packages/shared/forks/ReactFeatureFlags.www.js
index 10e24a6bd996c..f289e37dedbb3 100644
--- a/packages/shared/forks/ReactFeatureFlags.www.js
+++ b/packages/shared/forks/ReactFeatureFlags.www.js
@@ -64,10 +64,6 @@ export const enableFilterEmptyStringAttributesDOM = true;
 export const enableSchedulingProfiler: boolean =
   __PROFILE__ && dynamicFeatureFlags.enableSchedulingProfiler;
 
-// Note: we'll want to remove this when we to userland implementation.
-// For now, we'll turn it on for everyone because it's *already* on for everyone in practice.
-// At least this will let us stop shipping <Profiler> implementation to all users.
-export const enableSchedulerDebugging = true;
 export const disableLegacyContext = __EXPERIMENTAL__;
 export const enableGetInspectorDataForInstanceInProduction = false;