diff --git a/src/top.c b/src/top.c
index aafc2a44..703391c5 100644
--- a/src/top.c
+++ b/src/top.c
@@ -1,6 +1,6 @@
 /*
     top.c -- Show real-time statistics from a running tincd
-    Copyright (C) 2011-2012 Guus Sliepen <guus@tinc-vpn.org>
+    Copyright (C) 2011-2013 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -66,10 +66,6 @@ static float bscale = 1;
 static const char *punit = "pkts";
 static float pscale = 1;
 
-#ifndef timersub
-#define timersub(a, b, c) do {(c)->tv_sec = (a)->tv_sec - (b)->tv_sec; (c)->tv_usec = (a)->tv_usec = (b)->tv_usec;} while(0)
-#endif
-
 static void update(int fd) {
 	sendline(fd, "%d %d", CONTROL, REQ_DUMP_TRAFFIC);
 	gettimeofday(&cur, NULL);