--- a/src/devices/wifi/nqsta-wifi-mac.cc	Mon Jan 11 12:23:09 2010 +0300
+++ b/src/devices/wifi/nqsta-wifi-mac.cc	Tue Jan 12 17:16:04 2010 +0100
@@ -686,10 +686,5 @@
       break;
     }
 }
-void
-NqstaWifiMac::DoStart ()
-{
-  m_dca->Start ();
-  WifiMac::DoStart ();
-}
+
 } // namespace ns3