--- a/examples/matrix-topology/matrix-topology.cc	Sun Mar 24 16:18:56 2013 -0700
+++ b/examples/matrix-topology/matrix-topology.cc	Tue Mar 26 22:11:05 2013 +0100
@@ -44,7 +44,6 @@
 #include <string>
 #include <vector>
 #include <cstdlib>
-#include <time.h>
 
 #include "ns3/core-module.h"
 #include "ns3/network-module.h"