3 files changed, 9 insertions, 9 deletions
diff --git a/examples/opengl/legacy/hellogl/glwidget.h b/examples/opengl/legacy/hellogl/glwidget.h
index 89446d5937..8154d7405c 100644
--- a/examples/opengl/legacy/hellogl/glwidget.h
+++ b/examples/opengl/legacy/hellogl/glwidget.h
@@ -65,8 +65,8 @@ public:
     GLWidget(QWidget *parent = 0);
     ~GLWidget();
 
-    QSize minimumSizeHint() const Q_DECL_OVERRIDE;
-    QSize sizeHint() const Q_DECL_OVERRIDE;
+    QSize minimumSizeHint() const override;
+    QSize sizeHint() const override;
 //! [0]
 
 //! [1]
@@ -83,11 +83,11 @@ signals:
 
 //! [2]
 protected:
-    void initializeGL() Q_DECL_OVERRIDE;
-    void paintGL() Q_DECL_OVERRIDE;
-    void resizeGL(int width, int height) Q_DECL_OVERRIDE;
-    void mousePressEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
-    void mouseMoveEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
+    void initializeGL() override;
+    void paintGL() override;
+    void resizeGL(int width, int height) override;
+    void mousePressEvent(QMouseEvent *event) override;
+    void mouseMoveEvent(QMouseEvent *event) override;
 //! [2]
 
 //! [3]
diff --git a/examples/opengl/legacy/hellogl/hellogl.pro b/examples/opengl/legacy/hellogl/hellogl.pro
index c211242fd2..c6e926c245 100644
--- a/examples/opengl/legacy/hellogl/hellogl.pro
+++ b/examples/opengl/legacy/hellogl/hellogl.pro
@@ -14,4 +14,4 @@ QT           += opengl widgets
 target.path = $$[QT_INSTALL_EXAMPLES]/opengl/legacy/hellogl
 INSTALLS += target
 
-contains(QT_CONFIG, opengles.|angle):error("This example requires Qt to be configured with -opengl desktop")
+qtConfig(opengles.|angle): error("This example requires Qt to be configured with -opengl desktop")
diff --git a/examples/opengl/legacy/hellogl/window.h b/examples/opengl/legacy/hellogl/window.h
index 8d684a155b..04e83694a4 100644
--- a/examples/opengl/legacy/hellogl/window.h
+++ b/examples/opengl/legacy/hellogl/window.h
@@ -67,7 +67,7 @@ public:
     Window();
 
 protected:
-    void keyPressEvent(QKeyEvent *event) Q_DECL_OVERRIDE;
+    void keyPressEvent(QKeyEvent *event) override;
 
 private:
     QSlider *createSlider();