diff --git a/panels/dock/dockhelper.h b/panels/dock/dockhelper.h
index 5f8a226ee..123b5fc59 100644
--- a/panels/dock/dockhelper.h
+++ b/panels/dock/dockhelper.h
@@ -62,6 +62,7 @@ class DockWakeUpArea
 
 protected:
     explicit DockWakeUpArea(QScreen *screen, DockHelper *helper);
+    virtual ~DockWakeUpArea() = default;
     virtual void updateDockWakeArea(Position pos) = 0;
 
 protected:
diff --git a/panels/dock/waylanddockhelper.h b/panels/dock/waylanddockhelper.h
index a797d8d03..7eb1690b8 100644
--- a/panels/dock/waylanddockhelper.h
+++ b/panels/dock/waylanddockhelper.h
@@ -96,7 +96,6 @@ class TreeLandDockWakeUpArea : public QWidget, public DockWakeUpArea
 public:
     explicit TreeLandDockWakeUpArea(QScreen *screen, WaylandDockHelper *helper);
 
-public:
     void open() override;
     void close() override;
 
diff --git a/panels/dock/x11dockhelper.h b/panels/dock/x11dockhelper.h
index 4526b64f6..633ba8958 100644
--- a/panels/dock/x11dockhelper.h
+++ b/panels/dock/x11dockhelper.h
@@ -96,7 +96,7 @@ class X11DockWakeUpArea : public QObject, public DockWakeUpArea
 
 private:
     X11DockWakeUpArea(QScreen *screen, X11DockHelper *helper);
-    ~X11DockWakeUpArea();
+    ~X11DockWakeUpArea() override;
 
     void open() override;
     void close() override;