diff --git a/include/osgQt/GraphicsWindowQt b/include/osgQt/GraphicsWindowQt
index 6f2e5a0a5..9ed8bb2a1 100644
--- a/include/osgQt/GraphicsWindowQt
+++ b/include/osgQt/GraphicsWindowQt
@@ -14,8 +14,6 @@
 #ifndef OSGVIEWER_GRAPHICSWINDOWQT
 #define OSGVIEWER_GRAPHICSWINDOWQT
 
-#include <QGLWidget>
-
 #include <osgViewer/GraphicsWindow>
 #include <osgQt/Export>
 #include <osgQt/Version>