diff --git a/cmake/compiler.cmake b/cmake/compiler.cmake
index 22ed4024..e1a29723 100644
--- a/cmake/compiler.cmake
+++ b/cmake/compiler.cmake
@@ -658,8 +658,8 @@ macro(setup_compile_flags)
     if(NOT MSVC_VERSION LESS 1910)
       add_compile_flags("CXX" "/Zc:__cplusplus")
     endif()
-    add_compile_flags("C;CXX" "/W4")
-    add_compile_flags("C;CXX" "/utf-8")
+    remove_compile_flag("C;CXX" "/W3")
+    add_compile_flags("C;CXX" "/W4 /utf-8")
   else()
     if(CC_HAS_WALL)
       add_compile_flags("C;CXX" "-Wall")