--- a/src/internet-stack/udp-socket-impl.h	Fri Mar 20 12:28:21 2009 -0400
+++ b/src/internet-stack/udp-socket-impl.h	Mon Mar 23 13:03:22 2009 +0100
@@ -105,8 +105,6 @@
   Ptr<UdpL4Protocol> m_udp;
   Ipv4Address m_defaultAddress;
   uint16_t m_defaultPort;
-  Callback<void,Ptr<Socket>,uint32_t,const Address &> m_dummyRxCallback;
-  Callback<void,Ptr<Socket>,uint8_t const*,uint32_t,const Address &> m_rxCallback;
   TracedCallback<Ptr<const Packet> > m_dropTrace;
 
   enum SocketErrno m_errno;