diff --git a/examples/corelib/threads/queuedcustomtype/renderthread.h b/examples/corelib/threads/queuedcustomtype/renderthread.h
index 2946f1ee330..ed4df99bcc3 100644
--- a/examples/corelib/threads/queuedcustomtype/renderthread.h
+++ b/examples/corelib/threads/queuedcustomtype/renderthread.h
@@ -20,13 +20,11 @@ public:
     ~RenderThread();
 
     void processImage(const QImage &image);
+    void stopProcess();
 
 signals:
     void sendBlock(const Block &block);
 
-public slots:
-    void stopProcess();
-
 protected:
     void run();