--- a/src/simulator/event-impl.h	Sun Mar 16 14:35:32 2008 +0000
+++ b/src/simulator/event-impl.h	Sun Mar 16 18:42:23 2008 +0100
@@ -25,7 +25,7 @@
 
 namespace ns3 {
 
-class EventImpl : public ObjectBase 
+class EventImpl
 {
 public:
   EventImpl ();