diff --git a/CMakeModules/OsgMacroUtils.cmake b/CMakeModules/OsgMacroUtils.cmake
index 5b9900828..33b4750fd 100644
--- a/CMakeModules/OsgMacroUtils.cmake
+++ b/CMakeModules/OsgMacroUtils.cmake
@@ -527,3 +527,7 @@ MACRO(HANDLE_MSVC_DLL)
 #     SET_TARGET_PROPERTIES(${LIB_NAME} PROPERTIES PREFIX "../../bin/osg${OPENSCENEGRAPH_SOVERSION}-")
 #     SET_TARGET_PROPERTIES(${LIB_NAME} PROPERTIES IMPORT_PREFIX "../")
 ENDMACRO(HANDLE_MSVC_DLL)
+
+MACRO(REMOVE_CXX_FLAG flag)
+  STRING(REPLACE "${flag}" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+ENDMACRO()