diff --git a/website/docs/guides/markdown-features/markdown-features-math-equations.mdx b/website/docs/guides/markdown-features/markdown-features-math-equations.mdx
index 94a35ed391..fb681efbdc 100644
--- a/website/docs/guides/markdown-features/markdown-features-math-equations.mdx
+++ b/website/docs/guides/markdown-features/markdown-features-math-equations.mdx
@@ -187,7 +187,6 @@ async function createConfig() {
     ],
     // highlight-end
   };
-  return config;
 }
 
 module.exports = createConfig;