diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.js
index 8281009889b21..53057d78d7390 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.js
@@ -10,7 +10,7 @@
 import typeof * as FeatureFlagsType from 'shared/ReactFeatureFlags';
 import typeof * as ExportsType from './ReactFeatureFlags.test-renderer';
 
-export const debugRenderPhaseSideEffectsForStrictMode = false;
+export const debugRenderPhaseSideEffectsForStrictMode = __DEV__;
 export const enableAsyncDebugInfo = false;
 export const enableSchedulingProfiler = false;
 export const enableProfilerTimer = __PROFILE__;
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.native-fb.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.native-fb.js
index 8f71306c51a62..66e4329cb829d 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.native-fb.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.native-fb.js
@@ -11,7 +11,7 @@ import typeof * as FeatureFlagsType from 'shared/ReactFeatureFlags';
 import typeof * as ExportsType from './ReactFeatureFlags.test-renderer';
 
 export const alwaysThrottleRetries = false;
-export const debugRenderPhaseSideEffectsForStrictMode = false;
+export const debugRenderPhaseSideEffectsForStrictMode = __DEV__;
 export const disableClientCache = true;
 export const disableCommentsAsDOMContainers = true;
 export const disableDefaultPropsExceptForClasses = true;
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
index d1fe7629901ec..df4cddc2e758f 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
@@ -10,7 +10,7 @@
 import typeof * as FeatureFlagsType from 'shared/ReactFeatureFlags';
 import typeof * as ExportsType from './ReactFeatureFlags.test-renderer.www';
 
-export const debugRenderPhaseSideEffectsForStrictMode = false;
+export const debugRenderPhaseSideEffectsForStrictMode = __DEV__;
 export const enableAsyncDebugInfo = false;
 export const enableSchedulingProfiler = false;
 export const enableProfilerTimer = __PROFILE__;