--- a/src/devices/wifi/wifi-phy.cc	Sun Mar 16 14:35:32 2008 +0000
+++ b/src/devices/wifi/wifi-phy.cc	Sun Mar 16 18:42:23 2008 +0100
@@ -78,7 +78,7 @@
  *       Phy event class
  ****************************************************************/
 
-class RxEvent : public ObjectBase 
+class RxEvent
 {
 public:
   RxEvent (uint32_t size, WifiMode payloadMode,