diff --git a/CMakeLists.txt b/CMakeLists.txt
index a0c1b5c75..7e8c5320a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -178,9 +178,9 @@ IF(WIN32)
         ENDIF(WIN32_USE_MP)
 
         # turn off various warnings
-        foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
-            SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd${warning}")
-        endforeach(warning)
+        # foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
+        #     SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd${warning}")
+        # endforeach(warning)
 
         # More MSVC specific compilation flags
         ADD_DEFINITIONS(-D_SCL_SECURE_NO_WARNINGS)