diff --git a/src/Gui/DlgDisplayPropertiesImp.cpp b/src/Gui/DlgDisplayPropertiesImp.cpp
index 832a8d7b9..104b1708d 100644
--- a/src/Gui/DlgDisplayPropertiesImp.cpp
+++ b/src/Gui/DlgDisplayPropertiesImp.cpp
@@ -89,7 +89,6 @@ DlgDisplayPropertiesImp::DlgDisplayPropertiesImp( QWidget* parent, Qt::WindowFla
     Gui::DockWindowManager* pDockMgr = Gui::DockWindowManager::instance();
     QDockWidget* dw = pDockMgr->addDockWindow("Display properties", this, Qt::AllDockWidgetAreas);
     dw->setFeatures(QDockWidget::DockWidgetMovable|QDockWidget::DockWidgetFloatable);
-    dw->setAllowedAreas(Qt::DockWidgetAreas());
     dw->setFloating(true);
     dw->show();