diff --git a/RulerOptions.hh b/RulerOptions.hh
index 8e6e5c818abf04e33084eb8c1c6397fa4c4bfbdb..c2f1508ec02b54a43f14f3733d9d67e0e433251a 100644
--- a/RulerOptions.hh
+++ b/RulerOptions.hh
@@ -49,11 +49,7 @@
 
 #include "ui_rulerOptions.hh"
 
-#if QT_VERSION >= 0x050000 
   #include <QtWidgets>
-#else
-  #include <QtGui>
-#endif
 
 
 class RulerOptions : public QWidget, public Ui::rulerOptions
diff --git a/RulerPlugin.cc b/RulerPlugin.cc
index fab905ff9cb729ad4b0374334cac36f474880f89..15aae1fed46472db45f8d43d17579c6bbda1657f 100644
--- a/RulerPlugin.cc
+++ b/RulerPlugin.cc
@@ -318,7 +318,4 @@ void RulerPlugin::slotViewChanged()
 
 }
 
-#if QT_VERSION < 0x050000
-  Q_EXPORT_PLUGIN2( rulerPlugin , RulerPlugin );
-#endif
 
diff --git a/RulerPlugin.hh b/RulerPlugin.hh
index d975a3f7746f9c7cd3569c9a996a846290474a89..cf0b8ce30414a5367fb80b09372fdef4406da02b 100644
--- a/RulerPlugin.hh
+++ b/RulerPlugin.hh
@@ -75,9 +75,7 @@ class RulerPlugin : public QObject, BaseInterface, MouseInterface, PickingInterf
   Q_INTERFACES(LoadSaveInterface)
   Q_INTERFACES(OptionsInterface)
 
-#if QT_VERSION >= 0x050000
   Q_PLUGIN_METADATA(IID "org.OpenFlipper.Plugins.Plugin-Ruler")
-#endif
 
 signals:
   void addToolbar(QToolBar *_toolbar);