diff --git a/GraphicsView/include/CGAL/Qt/DemosMainWindow.h b/GraphicsView/include/CGAL/Qt/DemosMainWindow.h
index d28d98b3718..8f71f6bf117 100644
--- a/GraphicsView/include/CGAL/Qt/DemosMainWindow.h
+++ b/GraphicsView/include/CGAL/Qt/DemosMainWindow.h
@@ -89,7 +89,6 @@ protected:
 
 protected Q_SLOTS:
   void setUseAntialiasing(bool checked);
-  void setUseOpenGL(bool checked);
   void popupAboutCGAL();
   void popupAboutDemo();
 
@@ -108,7 +107,6 @@ protected:
   GraphicsViewNavigation* navigation;
   QLabel* xycoord ;
 
-  QAction *actionUse_OpenGL;
   QAction *actionUse_Antialiasing;
   QAction *actionAbout;
   QAction *actionAboutCGAL;
diff --git a/GraphicsView/include/CGAL/Qt/DemosMainWindow_impl.h b/GraphicsView/include/CGAL/Qt/DemosMainWindow_impl.h
index 8b6cb174703..5f8c85c1d7f 100644
--- a/GraphicsView/include/CGAL/Qt/DemosMainWindow_impl.h
+++ b/GraphicsView/include/CGAL/Qt/DemosMainWindow_impl.h
@@ -32,7 +32,6 @@
 #include <QMessageBox>
 #include <QStatusBar>
 #include <QGraphicsView>
-#include <QOpenGLWidget>
 #include <QTextStream>
 #include <QSettings>
 #include <QUrl>
@@ -41,7 +40,6 @@
 #  include <QSvgGenerator>
 #endif
 #include <QtCore>
-#include <QtOpenGL>
 
 #include <CGAL/config.h> // needed to get CGAL_VERSION_STR
 #include <CGAL/Qt/DemosMainWindow.h>
@@ -62,13 +60,6 @@ DemosMainWindow::DemosMainWindow(QWidget * parent, ::Qt::WindowFlags flags)
   xycoord->setMinimumSize(xycoord->sizeHint());
   xycoord->clear();
 
-  actionUse_OpenGL = new QAction(this);
-  actionUse_OpenGL->setObjectName("actionUse_OpenGL");
-  actionUse_OpenGL->setCheckable(true);
-  actionUse_OpenGL->setText(tr("Use &OpenGL"));
-  actionUse_OpenGL->setStatusTip(tr("Make Qt use OpenGL to display the graphical items, instead of its native painting system."));
-  actionUse_OpenGL->setShortcut(tr("Ctrl+G"));
-
   actionUse_Antialiasing = new QAction(this);
   actionUse_Antialiasing->setObjectName("actionUse_Antialiasing");
   actionUse_Antialiasing->setCheckable(true);
@@ -151,12 +142,9 @@ DemosMainWindow::setupOptionsMenu(QMenu* menuOptions)
   if(!menuOptions->isEmpty()) {
     menuOptions->addSeparator();
   }
-  menuOptions->addAction(actionUse_OpenGL);
   menuOptions->addAction(actionUse_Antialiasing);
   connect(actionUse_Antialiasing, SIGNAL(toggled(bool)),
           this, SLOT(setUseAntialiasing(bool)));
-  connect(actionUse_OpenGL, SIGNAL(toggled(bool)),
-          this, SLOT(setUseOpenGL(bool)));
   actionUse_Antialiasing->setChecked(true);
 }
 
@@ -203,34 +191,6 @@ DemosMainWindow::setUseAntialiasing(bool checked)
                            1000);
 }
 
-CGAL_INLINE_FUNCTION
-void
-DemosMainWindow::setUseOpenGL(bool checked)
-{
-  if(checked) {
-    QOpenGLWidget* new_viewport = new QOpenGLWidget(this);
-    new_viewport->setUpdateBehavior(QOpenGLWidget::NoPartialUpdate);
-
-    // Setup the format to allow antialiasing with OpenGL:
-    // one need to activate the SampleBuffers, if the graphic driver allows
-    // this.
-    auto glformat = new_viewport->format();
-    glformat.setSamples(4);
-    new_viewport->setFormat(glformat);
-
-    view->setViewport(new_viewport);
-    view->setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
-  }
-  else {
-    view->setViewport(new QWidget(this));
-    view->setViewportUpdateMode(QGraphicsView::MinimalViewportUpdate);
-  }
-  statusBar()->showMessage(tr("OpenGL %1activated").arg(checked?"":"de-"),
-                           1000);
-  view->viewport()->installEventFilter(navigation);
-  view->setFocus();
-}
-
 CGAL_INLINE_FUNCTION
 QMenu*
 DemosMainWindow::getMenu(QString objectName, QString title)