1 files changed, 6 insertions, 12 deletions
diff --git a/src/widgets/dialogs/qmessagebox.h b/src/widgets/dialogs/qmessagebox.h
index 1b47e9c575..f75331c967 100644
--- a/src/widgets/dialogs/qmessagebox.h
+++ b/src/widgets/dialogs/qmessagebox.h
@@ -140,13 +140,7 @@ public:
     void setVisible(bool visible);
 #endif
 
-#ifdef Q_NO_USING_KEYWORD
-#ifndef Q_QDOC
-    void open() { QDialog::open(); }
-#endif
-#else
     using QDialog::open;
-#endif
     void open(QObject *receiver, const char *member);
 
     QList<QAbstractButton *> buttons() const;
@@ -293,12 +287,12 @@ public Q_SLOTS:
 #endif
 
 protected:
-    bool event(QEvent *e);
-    void resizeEvent(QResizeEvent *event);
-    void showEvent(QShowEvent *event);
-    void closeEvent(QCloseEvent *event);
-    void keyPressEvent(QKeyEvent *event);
-    void changeEvent(QEvent *event);
+    bool event(QEvent *e) Q_DECL_OVERRIDE;
+    void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;
+    void showEvent(QShowEvent *event) Q_DECL_OVERRIDE;
+    void closeEvent(QCloseEvent *event) Q_DECL_OVERRIDE;
+    void keyPressEvent(QKeyEvent *event) Q_DECL_OVERRIDE;
+    void changeEvent(QEvent *event) Q_DECL_OVERRIDE;
 
 private:
     Q_PRIVATE_SLOT(d_func(), void _q_buttonClicked(QAbstractButton *))