diff --git a/src/libs/advanceddockingsystem/dockareatitlebar.cpp b/src/libs/advanceddockingsystem/dockareatitlebar.cpp
index a7397e98e62..9ee647265d9 100644
--- a/src/libs/advanceddockingsystem/dockareatitlebar.cpp
+++ b/src/libs/advanceddockingsystem/dockareatitlebar.cpp
@@ -71,11 +71,10 @@ namespace ADS
         QPointer<TitleBarButtonType> m_tabsMenuButton;
         QPointer<TitleBarButtonType> m_undockButton;
         QPointer<TitleBarButtonType> m_closeButton;
-        QBoxLayout *m_layout;
-        DockAreaWidget *m_dockArea;
-        DockAreaTabBar *m_tabBar;
+        QBoxLayout *m_layout = nullptr;
+        DockAreaWidget *m_dockArea = nullptr;
+        DockAreaTabBar *m_tabBar = nullptr;
         bool m_menuOutdated = true;
-        QMenu *m_tabsMenu;
         QList<TitleBarButtonType *> m_dockWidgetActionsButtons;
 
         QPoint m_dragStartMousePos;