--- a/src/wifi/helper/yavista-trace-helper.h	Mon Sep 19 09:43:40 2011 -0700
+++ b/src/wifi/helper/yavista-trace-helper.h	Mon Sep 19 11:21:11 2011 -0700
@@ -41,7 +41,7 @@
   YavistaTraceHelper ();
 
   /**
-   * @brief Destroy an Yavista trace helper.
+   * @brief Destroy a Yavista trace helper.
    */
   ~YavistaTraceHelper ();
 
@@ -55,7 +55,7 @@
 
 private:
  void YavistaPhyStateTrace ( std::string path, Time start, Time end, WifiPhy::State state);
- Ptr<OutputStreamWrapper> m_xavStreamWrapper;
+ //Ptr<OutputStreamWrapper> m_xavStreamWrapper;
  Ptr<OutputStreamWrapper> m_xadStreamWrapper;
  Ptr<OutputStreamWrapper> m_xaoStreamWrapper;
  Ptr<OutputStreamWrapper> m_xaeStreamWrapper;