$OpenBSD: patch-internal_h,v 1.2 2018/05/04 13:31:14 sthen Exp $
Index: internal.h
--- internal.h.orig
+++ internal.h
@@ -131,9 +131,6 @@ typedef unsigned short sa_family_t;
 #include <netinet/udp.h>
 #include <netinet/icmp6.h>
 #include <netinet/tcp.h>
-#ifdef HAVE_NETINET_TCP_VAR_H
-#include <netinet/tcp_var.h>
-#endif
 #include <netinet/if_ether.h>
 #include <arpa/inet.h>
 #include <unistd.h>
