diff --git a/src/osgProducer/GraphicsContextImplementation.cpp b/src/osgProducer/GraphicsContextImplementation.cpp
index 96b095262..84e0b6a47 100644
--- a/src/osgProducer/GraphicsContextImplementation.cpp
+++ b/src/osgProducer/GraphicsContextImplementation.cpp
@@ -18,6 +18,7 @@
 
 using namespace osgProducer;
 
+#if 0
 namespace osgProducer
 {
     struct MyWindowingSystemInterface : public osg::GraphicsContext::WindowingSystemInterface
@@ -58,7 +59,7 @@ namespace osgProducer
     
     RegisterWindowingSystemInterfaceProxy createWindowingSystemInterfaceProxy;
 };
-    
+#endif    
 
 
 GraphicsContextImplementation::GraphicsContextImplementation(Traits* traits)