1 files changed, 4 insertions, 0 deletions
diff --git a/src/widgets/widgets/qmainwindowlayout_p.h b/src/widgets/widgets/qmainwindowlayout_p.h
index ebed47da30..d4f0bd4517 100644
--- a/src/widgets/widgets/qmainwindowlayout_p.h
+++ b/src/widgets/widgets/qmainwindowlayout_p.h
@@ -88,6 +88,10 @@ class QMainWindowLayoutSeparatorHelper
     QWidget *window() { return layout()->parentWidget(); }
 
 public:
+    Q_DISABLE_COPY_MOVE(QMainWindowLayoutSeparatorHelper)
+
+    QMainWindowLayoutSeparatorHelper() = default;
+
     QList<int> hoverSeparator;
     QPoint hoverPos;