diff --git a/src/plugins/clangcodemodel/clangbackendcommunicator.h b/src/plugins/clangcodemodel/clangbackendcommunicator.h
index 568a68f0979..897a9374537 100644
--- a/src/plugins/clangcodemodel/clangbackendcommunicator.h
+++ b/src/plugins/clangcodemodel/clangbackendcommunicator.h
@@ -127,7 +127,6 @@ private:
     void setupDummySender();
 
     void onConnectedToBackend();
-    void onDisconnectedFromBackend();
     void onEditorAboutToClose(Core::IEditor *editor);
 
     void logExecutableDoesNotExist();