diff --git a/packages/react-dom/src/events/__tests__/ChangeEventPlugin-test.internal.js b/packages/react-dom/src/events/__tests__/ChangeEventPlugin-test.internal.js
index 51eb86eedb..23f494172c 100644
--- a/packages/react-dom/src/events/__tests__/ChangeEventPlugin-test.internal.js
+++ b/packages/react-dom/src/events/__tests__/ChangeEventPlugin-test.internal.js
@@ -476,7 +476,6 @@ describe('ChangeEventPlugin', () => {
       jest.resetModules();
       ReactFeatureFlags = require('shared/ReactFeatureFlags');
       ReactFeatureFlags.debugRenderPhaseSideEffectsForStrictMode = false;
-      ReactFeatureFlags.debugRenderPhaseSideEffectsForStrictMode = false;
       ReactDOM = require('react-dom');
     });
     it('text input', () => {