1 files changed, 1 insertions, 1 deletions
diff --git a/src/quick/items/qquickrendercontrol_p.h b/src/quick/items/qquickrendercontrol_p.h
index 29b83827d6..c27604b39c 100644
--- a/src/quick/items/qquickrendercontrol_p.h
+++ b/src/quick/items/qquickrendercontrol_p.h
@@ -44,7 +44,7 @@ public:
     }
 
     static bool isRenderWindowFor(QQuickWindow *quickWin, const QWindow *renderWin);
-    virtual bool isRenderWindow(const QWindow *w) { Q_UNUSED(w); return false; }
+    virtual bool isRenderWindow(const QWindow *w);
 
     static void cleanup();