diff --git a/src/nix-vector-routing/model/ipv4-nix-vector-routing.h b/src/nix-vector-routing/model/ipv4-nix-vector-routing.h
index b495cfb8a..d2125c2d7 100644
--- a/src/nix-vector-routing/model/ipv4-nix-vector-routing.h
+++ b/src/nix-vector-routing/model/ipv4-nix-vector-routing.h
@@ -262,22 +262,6 @@ private:
   uint32_t m_totalNeighbors;
 
 
-  /**
-   * \brief Hashing for the ipv4Address class
-   */
-  struct Ipv4AddressHash
-  {
-    /**
-     * \brief operator ()
-     * \param address the IPv4 address to hash
-     * \return the hash of the address
-     */
-    size_t operator() (const Ipv4Address &address) const
-    {
-      return std::hash<uint32_t>()(address.Get ());
-    }
-  };
-
   /**
    * Mapping of IPv4 address to ns-3 node.
    *