diff --git a/.changeset/little-shrimps-hug.md b/.changeset/little-shrimps-hug.md
new file mode 100644
index 00000000000..6c2290cf5d7
--- /dev/null
+++ b/.changeset/little-shrimps-hug.md
@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+fix(ActionList): remove className from menuItemProps to prevent duplicate className bug
diff --git a/packages/react/src/ActionList/Item.tsx b/packages/react/src/ActionList/Item.tsx
index d90b40a1ce8..e4453a3482a 100644
--- a/packages/react/src/ActionList/Item.tsx
+++ b/packages/react/src/ActionList/Item.tsx
@@ -335,7 +335,6 @@ export const Item = React.forwardRef<HTMLLIElement, ActionListItemProps>(
       ...(includeSelectionAttribute && {[itemSelectionAttribute]: selected}),
       role: itemRole,
       id: itemId,
-      className,
     }
 
     const containerProps = _PrivateItemWrapper