--- a/src/internet-stack/ipv4-l4-protocol.h	Tue Sep 02 15:17:54 2008 -0700
+++ b/src/internet-stack/ipv4-l4-protocol.h	Tue Sep 02 17:20:32 2008 -0700
@@ -49,10 +49,6 @@
    * \returns the protocol number of this protocol.
    */
   virtual int GetProtocolNumber (void) const = 0;
-  /**
-   * \returns the version number of this protocol.
-   */
-  virtual int GetVersion (void) const = 0;
 
   /**
    * \param p packet to forward up