Remove #include <winsock2.h>
diff --git a/xbyak/xbyak.h b/xbyak/xbyak.h
index 1573b25..f887386 100644
--- a/xbyak/xbyak.h
+++ b/xbyak/xbyak.h
@@ -72,7 +72,6 @@
 	#define XBYAK_STD_UNORDERED_MULTIMAP std::multimap
 #endif
 #ifdef _WIN32
-	#include <winsock2.h>
 	#include <windows.h>
 	#include <malloc.h>
 	#define XBYAK_TLS __declspec(thread)