diff --git a/include/osg/Export b/include/osg/Export
index 422a7ad00..f1648fdff 100644
--- a/include/osg/Export
+++ b/include/osg/Export
@@ -24,10 +24,7 @@
 #if defined(_MSC_VER) && defined(OSG_DISABLE_MSVC_WARNINGS)
     #pragma warning( disable : 4244 )
     #pragma warning( disable : 4251 )
-    #pragma warning( disable : 4267 )
     #pragma warning( disable : 4275 )
-    #pragma warning( disable : 4290 )
-    #pragma warning( disable : 4786 )
     #pragma warning( disable : 4305 )
     #pragma warning( disable : 4996 )
 #endif