--- a/src/wifi/model/edca-txop-n.h	Sun Apr 10 18:37:49 2011 +0200
+++ b/src/wifi/model/edca-txop-n.h	Sun Apr 10 18:48:58 2011 +0200
@@ -93,8 +93,7 @@
   void SetTypeOfStation (enum TypeOfStation type);
   enum TypeOfStation GetTypeOfStation (void) const;
 
-  void SetMaxQueueSize (uint32_t size);
-  void SetMaxQueueDelay (Time delay);
+  Ptr<WifiMacQueue > GetQueue () const; 
   virtual void SetMinCw (uint32_t minCw);
   virtual void SetMaxCw (uint32_t maxCw);
   virtual void SetAifsn (uint32_t aifsn);