--- a/samples/main-random-topology.cc	Tue May 13 01:04:42 2008 +0100
+++ b/samples/main-random-topology.cc	Wed May 14 19:24:17 2008 -0400
@@ -25,7 +25,6 @@
   c.Create (10000);
 
   MobilityHelper mobility;
-  mobility.EnableNotifier ();
   mobility.SetPositionAllocator ("ns3::RandomDiscPositionAllocator",
                                  "X", StringValue ("100.0"),
                                  "Y", StringValue ("100.0"),