diff --git a/src/plugins/projectexplorer/appoutputpane.h b/src/plugins/projectexplorer/appoutputpane.h
index e6808c018af..0b83ac29df9 100644
--- a/src/plugins/projectexplorer/appoutputpane.h
+++ b/src/plugins/projectexplorer/appoutputpane.h
@@ -138,7 +138,6 @@ private:
 
     TabWidget *m_tabWidget;
     QVector<RunControlTab> m_runControlTabs;
-    int m_runControlCount = 0;
     QAction *m_stopAction;
     QAction *m_closeCurrentTabAction;
     QAction *m_closeAllTabsAction;