diff --git a/packages/react-reconciler/src/__tests__/ReactIncrementalPerf-test.internal.js b/packages/react-reconciler/src/__tests__/ReactIncrementalPerf-test.internal.js
index cf89594aaf..ef4631a81d 100644
--- a/packages/react-reconciler/src/__tests__/ReactIncrementalPerf-test.internal.js
+++ b/packages/react-reconciler/src/__tests__/ReactIncrementalPerf-test.internal.js
@@ -115,6 +115,7 @@ describe('ReactDebugFiberPerf', () => {
     global.performance = createUserTimingPolyfill();
 
     require('shared/ReactFeatureFlags').enableUserTimingAPI = true;
+    require('shared/ReactFeatureFlags').enableProfilerTimer = false;
     require('shared/ReactFeatureFlags').replayFailedUnitOfWorkWithInvokeGuardedCallback = false;
 
     // Import after the polyfill is set up:
diff --git a/packages/shared/ReactFeatureFlags.js b/packages/shared/ReactFeatureFlags.js
index beefc20c0e..e5863ab9a7 100644
--- a/packages/shared/ReactFeatureFlags.js
+++ b/packages/shared/ReactFeatureFlags.js
@@ -40,7 +40,7 @@ export const replayFailedUnitOfWorkWithInvokeGuardedCallback = __DEV__;
 export const warnAboutDeprecatedLifecycles = false;
 
 // Gather advanced timing metrics for Profiler subtrees.
-export const enableProfilerTimer = false;
+export const enableProfilerTimer = __DEV__;
 
 // Fires getDerivedStateFromProps for state *or* props changes
 export const fireGetDerivedStateFromPropsOnStateUpdates = true;
diff --git a/packages/shared/forks/ReactFeatureFlags.native-oss.js b/packages/shared/forks/ReactFeatureFlags.native-oss.js
index 0b93bcbd3a..425709c924 100644
--- a/packages/shared/forks/ReactFeatureFlags.native-oss.js
+++ b/packages/shared/forks/ReactFeatureFlags.native-oss.js
@@ -22,7 +22,7 @@ export const enablePersistentReconciler = false;
 export const enableUserTimingAPI = __DEV__;
 export const replayFailedUnitOfWorkWithInvokeGuardedCallback = __DEV__;
 export const warnAboutDeprecatedLifecycles = false;
-export const enableProfilerTimer = false;
+export const enableProfilerTimer = __DEV__;
 export const fireGetDerivedStateFromPropsOnStateUpdates = true;
 
 // Only used in www builds.