diff --git a/src/compositor/compositor.c b/src/compositor/compositor.c
index 42a0dc272..aae717789 100644
--- a/src/compositor/compositor.c
+++ b/src/compositor/compositor.c
@@ -1327,18 +1327,6 @@ meta_compositor_new (MetaDisplay *display)
   return compositor;
 }
 
-/**
- * meta_get_overlay_window: (skip)
- * @display: a #MetaDisplay
- *
- */
-Window
-meta_get_overlay_window (MetaDisplay *display)
-{
-  MetaCompositor *compositor = get_compositor_for_display (display);
-  return compositor->output;
-}
-
 /**
  * meta_disable_unredirect_for_display:
  * @display: a #MetaDisplay
diff --git a/src/meta/compositor-mutter.h b/src/meta/compositor-mutter.h
index a3b419046..f21ae65a0 100644
--- a/src/meta/compositor-mutter.h
+++ b/src/meta/compositor-mutter.h
@@ -35,9 +35,6 @@
 META_EXPORT
 ClutterActor *meta_get_stage_for_display            (MetaDisplay *display);
 
-META_EXPORT
-Window        meta_get_overlay_window               (MetaDisplay *display);
-
 META_EXPORT
 GList        *meta_get_window_actors                (MetaDisplay *display);