diff --git a/src/libssh2_priv.h b/src/libssh2_priv.h
index 4ec9f73..05b1ffc 100644
--- a/src/libssh2_priv.h
+++ b/src/libssh2_priv.h
@@ -134,7 +134,6 @@ static inline int writev(int sock, struct iovec *iov, int nvecs)
 #ifdef HAVE_WINSOCK2_H
 
 #include <winsock2.h>
-#include <mswsock.h>
 #include <ws2tcpip.h>
 
 #ifdef _MSC_VER