diff --git a/packages/theme/src/unified/UnifiedThemeProvider.tsx b/packages/theme/src/unified/UnifiedThemeProvider.tsx
index b93746dad4..678be82209 100644
--- a/packages/theme/src/unified/UnifiedThemeProvider.tsx
+++ b/packages/theme/src/unified/UnifiedThemeProvider.tsx
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+import './MuiClassNameSetup';
 import { ReactNode } from 'react';
 import {
   ThemeProvider,
@@ -27,7 +28,6 @@ import {
   Theme as Mui5Theme,
 } from '@mui/material/styles';
 import { UnifiedTheme } from './types';
-import './MuiClassNameSetup';
 
 /**
  * Props for {@link UnifiedThemeProvider}.
diff --git a/packages/theme/src/unified/index.ts b/packages/theme/src/unified/index.ts
index 2428902981..747662e195 100644
--- a/packages/theme/src/unified/index.ts
+++ b/packages/theme/src/unified/index.ts
@@ -21,4 +21,3 @@ export { themes } from './themes';
 export { UnifiedThemeProvider } from './UnifiedThemeProvider';
 export type { UnifiedThemeProviderProps } from './UnifiedThemeProvider';
 export type { UnifiedTheme, SupportedThemes, SupportedVersions } from './types';
-export * from './MuiClassNameSetup';