diff --git a/packages/next/pages/_document.tsx b/packages/next/pages/_document.tsx
index 8ac37914b002..adc58bf357df 100644
--- a/packages/next/pages/_document.tsx
+++ b/packages/next/pages/_document.tsx
@@ -585,11 +585,8 @@ export class Head extends Component<
       disableOptimizedLoading,
       optimizeCss,
       optimizeFonts,
-      runtime,
     } = this.context
 
-    const hasConcurrentFeatures = !!runtime
-
     const disableRuntimeJS = unstable_runtimeJS === false
     const disableJsPreload =
       unstable_JsPreload === false || !disableOptimizedLoading
@@ -702,7 +699,7 @@ export class Head extends Component<
 
     return (
       <head {...this.props}>
-        {!hasConcurrentFeatures && this.context.isDevelopment && (
+        {this.context.isDevelopment && (
           <>
             <style
               data-next-hide-fouc
diff --git a/test/integration/react-streaming-and-server-components/test/css.js b/test/integration/react-streaming-and-server-components/test/css.js
index e369a544b50e..39bcf1bfafdd 100644
--- a/test/integration/react-streaming-and-server-components/test/css.js
+++ b/test/integration/react-streaming-and-server-components/test/css.js
@@ -16,8 +16,8 @@ export default function (context) {
     )
     expect(currentColor).toMatchInlineSnapshot(`"rgb(255, 0, 0)"`)
   })
-  // TODO: fix this test
-  it.skip('should include css modules with `serverComponents: true`', async () => {
+
+  it('should include css modules with `serverComponents: true`', async () => {
     const browser = await webdriver(context.appPort, '/css-modules')
     const currentColor = await browser.eval(
       `window.getComputedStyle(document.querySelector('h1')).color`
