diff --git a/src/network/utils/ipv6-address.cc b/src/network/utils/ipv6-address.cc
index eed3070e3..34c429064 100644
--- a/src/network/utils/ipv6-address.cc
+++ b/src/network/utils/ipv6-address.cc
@@ -785,13 +785,6 @@ bool Ipv6Address::IsAllRoutersMulticast () const
   return (*this == allroutersI || *this == allroutersL || *this == allroutersR || *this == allroutersS);
 }
 
-bool Ipv6Address::IsAllHostsMulticast () const
-{
-  NS_LOG_FUNCTION (this);
-  static Ipv6Address allhosts ("ff02::3");
-  return (*this == allhosts);
-}
-
 bool Ipv6Address::IsAny () const
 {
   NS_LOG_FUNCTION (this);
diff --git a/src/network/utils/ipv6-address.h b/src/network/utils/ipv6-address.h
index 189fe9be1..da65542fa 100644
--- a/src/network/utils/ipv6-address.h
+++ b/src/network/utils/ipv6-address.h
@@ -280,16 +280,6 @@ public:
    */
   bool IsAllRoutersMulticast () const;
 
-  /**
-   * \brief If the IPv6 address is "all hosts multicast" (ff02::3/8).
-   *
-   * \deprecated This function is deprecated because the address has been removed from RFCs.
-   *
-   * \return true if "all hosts multicast", false otherwise
-   */
-  NS_DEPRECATED
-  bool IsAllHostsMulticast () const;
-
   /**
    * \brief If the IPv6 address is a link-local address (fe80::/64).
    * \return true if the address is link-local, false otherwise