diff --git a/CMake/OtherTests.cmake b/CMake/OtherTests.cmake
index 6dec37fd4..4f07f2251 100644
--- a/CMake/OtherTests.cmake
+++ b/CMake/OtherTests.cmake
@@ -213,32 +213,14 @@ if(HAVE_SIZEOF_SIG_ATOMIC_T)
   endif(NOT HAVE_SIG_ATOMIC_T_NOT_VOLATILE)
 endif(HAVE_SIZEOF_SIG_ATOMIC_T)
 
-set(CHECK_TYPE_SIZE_PREINCLUDE
-  "#undef inline")
-
 if(HAVE_WINDOWS_H)
-  set(CHECK_TYPE_SIZE_PREINCLUDE "${CHECK_TYPE_SIZE_PREINCLUDE}
-  #ifndef WIN32_LEAN_AND_MEAN
-  #define WIN32_LEAN_AND_MEAN
-  #endif
-  #include <windows.h>")
-  if(HAVE_WINSOCK2_H)
-    set(CHECK_TYPE_SIZE_PREINCLUDE "${CHECK_TYPE_SIZE_PREINCLUDE}\n#include <winsock2.h>")
-  endif(HAVE_WINSOCK2_H)
-else(HAVE_WINDOWS_H)
+  set(CMAKE_EXTRA_INCLUDE_FILES winsock2.h)
+else()
+  set(CMAKE_EXTRA_INCLUDE_FILES)
   if(HAVE_SYS_SOCKET_H)
-    set(CMAKE_EXTRA_INCLUDE_FILES ${CMAKE_EXTRA_INCLUDE_FILES}
-      "sys/socket.h")
+    set(CMAKE_EXTRA_INCLUDE_FILES sys/socket.h)
   endif(HAVE_SYS_SOCKET_H)
-  if(HAVE_NETINET_IN_H)
-    set(CMAKE_EXTRA_INCLUDE_FILES ${CMAKE_EXTRA_INCLUDE_FILES}
-      "netinet/in.h")
-  endif(HAVE_NETINET_IN_H)
-  if(HAVE_ARPA_INET_H)
-    set(CMAKE_EXTRA_INCLUDE_FILES ${CMAKE_EXTRA_INCLUDE_FILES}
-      "arpa/inet.h")
-  endif(HAVE_ARPA_INET_H)
-endif(HAVE_WINDOWS_H)
+endif()
 
 check_type_size("struct sockaddr_storage" SIZEOF_STRUCT_SOCKADDR_STORAGE)
 if(HAVE_SIZEOF_STRUCT_SOCKADDR_STORAGE)