remove unnecessary auto store to storage

mui · Feb 26, 2025 · aa7c1c2 · aa7c1c2
1 parent 86ea636
commit aa7c1c2
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Showing 2 changed files with 1 addition and 21 deletions.
diff --git a/packages/mui-system/src/cssVars/localStorageManager.ts b/packages/mui-system/src/cssVars/localStorageManager.ts
@@ -44,11 +44,7 @@ const localStorageManager: StorageManager = ({ key, storageWindow }) => {
       }
       let value;
       try {
-        value = storageWindow.localStorage.getItem(key) || undefined;
-        if (!value) {
-          // the first time that user enters the site.
-          storageWindow.localStorage.setItem(key, defaultValue);
-        }
+        value = storageWindow.localStorage.getItem(key);
       } catch {
         // Unsupported
       }

diff --git a/packages/mui-system/src/cssVars/useCurrentColorScheme.test.js b/packages/mui-system/src/cssVars/useCurrentColorScheme.test.js
@@ -564,22 +564,6 @@ describe('useCurrentColorScheme', () => {
       ).to.equal(true);
     });
 
-    it('save system mode', () => {
-      function Data() {
-        useCurrentColorScheme({
-          defaultMode: 'system',
-          defaultLightColorScheme: 'light',
-          defaultDarkColorScheme: 'dark',
-          supportedColorSchemes: ['light', 'dark'],
-        });
-        return null;
-      }
-      render(<Data />);
-      expect(window.localStorage.setItem.calledWith(DEFAULT_MODE_STORAGE_KEY, 'system')).to.equal(
-        true,
-      );
-    });
-
     it('save lightColorScheme and darkColorScheme', () => {
       function Data() {
         const { setMode, setColorScheme, ...data } = useCurrentColorScheme({