--- a/src/internet/model/nsc-tcp-socket-impl.cc	Fri Aug 31 12:24:28 2012 +0200
+++ b/src/internet/model/nsc-tcp-socket-impl.cc	Sat Sep 01 20:57:21 2012 +0200
@@ -42,10 +42,9 @@
 
 #include "sim_errno.h"
 
+
 NS_LOG_COMPONENT_DEFINE ("NscTcpSocketImpl");
 
-using namespace std;
-
 namespace ns3 {
 
 NS_OBJECT_ENSURE_REGISTERED (NscTcpSocketImpl);