diff --git a/CMakeLists.txt b/CMakeLists.txt
index f6ebf10d7..84c68dcd8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -563,8 +563,7 @@ ELSE(CMAKE_COMPILER_IS_GNUCXX)
         # FIXME: What are good aggressive warning flags for Visual Studio?
         # And do we need to further subcase this for different versions of VS?
         # CMake variables: MSVC60, MSVC70, MSVC71, MSVC80, CMAKE_COMPILER_2005
-        SET(OSG_AGGRESSIVE_WARNING_FLAGS "/W4")
-
+        SET(OSG_AGGRESSIVE_WARNING_FLAGS "/W4 /wd4706 /wd4127")
 
     ELSE(MSVC)
         # CMake lacks an elseif, so other non-gcc, non-VS compilers need
diff --git a/include/osg/Export b/include/osg/Export
index 733b5e0a3..422a7ad00 100644
--- a/include/osg/Export
+++ b/include/osg/Export
@@ -30,10 +30,6 @@
     #pragma warning( disable : 4786 )
     #pragma warning( disable : 4305 )
     #pragma warning( disable : 4996 )
-
-
-    // suppress warnings about valid if ((variable=expression)) {} usage.
-    #pragma warning( disable : 4706 )
 #endif
 
 #if defined(_MSC_VER) || defined(__CYGWIN__) || defined(__MINGW32__) || defined( __BCPLUSPLUS__)  || defined( __MWERKS__)