diff --git a/reactos/cmake/Platform/Windows-cl.cmake b/reactos/cmake/Platform/Windows-cl.cmake
index b06cdf3444e..7ed6229adec 100644
--- a/reactos/cmake/Platform/Windows-cl.cmake
+++ b/reactos/cmake/Platform/Windows-cl.cmake
@@ -210,11 +210,11 @@ endif()
 SET(CMAKE_BUILD_TYPE_INIT Debug)
 SET(CMAKE_CXX_FLAGS_DEBUG_INIT "/D_DEBUG /Zi /Ob0 /Od")
 SET(CMAKE_C_FLAGS_DEBUG_INIT "/D_DEBUG /Zi /Ob0 /Od")
-SET(CMAKE_CXX_FLAGS_INIT "/DWIN32 /D_WINDOWS /W3 /Zm1000 /EHsc")
+SET(CMAKE_CXX_FLAGS_INIT "")
 SET(CMAKE_CXX_FLAGS_MINSIZEREL_INIT "/O1 /Ob1 /D NDEBUG")
 SET(CMAKE_CXX_FLAGS_RELEASE_INIT "/O2 /Ob2 /D NDEBUG")
 SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "/Zi /O2 /Ob1")
-SET(CMAKE_C_FLAGS_INIT "/DWIN32 /D_WINDOWS /W3 /Zm1000")
+SET(CMAKE_C_FLAGS_INIT "")
 SET(CMAKE_C_FLAGS_MINSIZEREL_INIT "/O1 /Ob1 /D NDEBUG")
 SET(CMAKE_C_FLAGS_RELEASE_INIT "/O2 /Ob2 /D NDEBUG")
 SET(CMAKE_C_FLAGS_RELWITHDEBINFO_INIT "/Zi /O2 /Ob1")