diff --git a/src/internet-stack/icmpv6-l4-protocol.h b/src/internet-stack/icmpv6-l4-protocol.h
index 5a3b62520..22aa3c974 100644
--- a/src/internet-stack/icmpv6-l4-protocol.h
+++ b/src/internet-stack/icmpv6-l4-protocol.h
@@ -202,6 +202,11 @@ public:
 
   /**
    * \brief Do the Duplication Address Detection (DAD).
+   * It consists in sending a NS with our IPv6 as target. If 
+   * we received a NA with matched target address, we could not use 
+   * the address, else the address pass from TENTATIVE to PERMANENT.
+   *
+   * \param addr IPv6 address to test
    * \param target target address
    * \param interface interface
    */
@@ -327,16 +332,6 @@ public:
    */
   virtual enum Ipv6L4Protocol::RxStatus_e Receive (Ptr<Packet> p, Ipv6Address const &src, Ipv6Address const &dst, Ptr<Ipv6Interface> interface);
 
-  /**
-   * \brief Do the Duplication Address Detection.
-   * It consists in sending a NS with our IPv6 as target. If 
-   * we received a NA with matched target address, we could not use the address, 
-   * else the address pass from TENTATIVE to PERMANENT.
-   * \param addr IPv6 address to test
-   * \param interface interface
-   */
-  void DoDad (Ipv6Address addr, Ptr<Ipv6Interface> interface);
-
   /**
    * \brief Function called when DAD timeout.
    * \param icmpv6 Icmpv6L4Protocol instance