Remove need to disable MSVC warning 4267
diff --git a/api_test/CMakeLists.txt b/api_test/CMakeLists.txt
index 02dbf15..3151ccc 100644
--- a/api_test/CMakeLists.txt
+++ b/api_test/CMakeLists.txt
@@ -18,7 +18,7 @@
   else()
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W4")
   endif()
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4267 /wd4706 /D_CRT_SECURE_NO_WARNINGS")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4706 /D_CRT_SECURE_NO_WARNINGS")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /TP")
 elseif(CMAKE_COMPILER_IS_GNUCC OR "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -std=c99 -pedantic")
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 30d018f..f619453 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -155,7 +155,7 @@
   else()
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W4")
   endif()
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4267 /wd4706 /D_CRT_SECURE_NO_WARNINGS")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4706 /D_CRT_SECURE_NO_WARNINGS")
 elseif(CMAKE_COMPILER_IS_GNUCC OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -std=c99 -pedantic")
 endif()