diff --git a/packages/docusaurus/src/client/renderToHtml.tsx b/packages/docusaurus/src/client/renderToHtml.tsx
index f3dd095f8158..b9131581b05f 100644
--- a/packages/docusaurus/src/client/renderToHtml.tsx
+++ b/packages/docusaurus/src/client/renderToHtml.tsx
@@ -6,32 +6,11 @@
  */
 
 import type {ReactNode} from 'react';
-// @ts-expect-error: see https://github.com/facebook/react/issues/31134
-import {renderToReadableStream as renderToReadableStreamImpl} from 'react-dom/server.browser';
-import {
-  renderToString,
-  type renderToReadableStream as renderToReadableStreamType,
-} from 'react-dom/server';
+import {renderToReadableStream} from 'react-dom/server.browser';
 import {text} from 'stream/consumers';
 
-const renderToReadableStream: typeof renderToReadableStreamType =
-  renderToReadableStreamImpl;
-
 export async function renderToHtml(app: ReactNode): Promise<string> {
-  return new Promise((resolve, reject) => {
-    renderToReadableStream(app, {
-      onError: (error) => reject(error),
-    }).then(async (stream) => {
-      await stream.allReady;
-      // @ts-expect-error: it works fine
-      const html = await text(stream);
-
-      // TODO remove this test
-      if (html !== renderToString(app)) {
-        throw new Error('Bad');
-      }
-
-      resolve(html);
-    }, reject);
-  });
+  const stream = await renderToReadableStream(app);
+  await stream.allReady;
+  return text(stream);
 }