diff --git a/src/backend/wayland/wl_backend.c b/src/backend/wayland/wl_backend.c
index 4e70cfe..5cfa8ad 100644
--- a/src/backend/wayland/wl_backend.c
+++ b/src/backend/wayland/wl_backend.c
@@ -4265,8 +4265,14 @@ wl_frame_destroy(WScreen *scr, WNativeWindow win)
     struct wl_frame_buf *fb = frame_buf_find(win);
     if (!fb) return;
     W_UnregisterBacking(fb->id);
+    /* Destroy the scene_buf and (if any) the tree.  Without destroying
+     * the tree, leaked tree nodes accumulate in the scene graph and
+     * can cause stale rendering or hit-testing issues (e.g. ghost
+     * titlebars after a menu is closed). */
     if (fb->scene_buf)
         wlr_scene_node_destroy(&fb->scene_buf->node);
+    if (fb->tree)
+        wlr_scene_node_destroy(&fb->tree->node);
     wl_list_remove(&fb->link);
     wlr_buffer_drop(&fb->base);
 }