1 files changed, 5 insertions, 1 deletions
diff --git a/src/widgets/widgets/qmainwindowlayout_p.h b/src/widgets/widgets/qmainwindowlayout_p.h
index 967b713096..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;
 
@@ -334,7 +338,7 @@ class QDockWidgetGroupWindow : public QWidget
 {
     Q_OBJECT
 public:
-    explicit QDockWidgetGroupWindow(QWidget* parent = nullptr, Qt::WindowFlags f = nullptr)
+    explicit QDockWidgetGroupWindow(QWidget* parent = nullptr, Qt::WindowFlags f = { })
         : QWidget(parent, f) {}
     QDockAreaLayoutInfo *layoutInfo() const;
 #if QT_CONFIG(tabbar)