diff --git a/src/libs/qmldebug/qmldebugclient.cpp b/src/libs/qmldebug/qmldebugclient.cpp
index 7c7d0130d50..01469d5ff5e 100644
--- a/src/libs/qmldebug/qmldebugclient.cpp
+++ b/src/libs/qmldebug/qmldebugclient.cpp
@@ -71,7 +71,6 @@ public:
 public Q_SLOTS:
     void connected();
     void readyRead();
-    void deviceAboutToClose();
 };
 
 QmlDebugConnectionPrivate::QmlDebugConnectionPrivate(QmlDebugConnection *c)