extern int                     ndisc_mc_map(const struct in6_addr *addr, char *buf,
                                             struct net_device *dev, int dir);
 
-extern struct sk_buff          *ndisc_build_skb(struct net_device *dev,
-                                                const struct in6_addr *daddr,
-                                                const struct in6_addr *saddr,
-                                                struct icmp6hdr *icmp6h,
-                                                const struct in6_addr *target,
-                                                int llinfo);
-
-extern void                    ndisc_send_skb(struct sk_buff *skb,
-                                              struct net_device *dev,
-                                              struct neighbour *neigh,
-                                              const struct in6_addr *daddr,
-                                              const struct in6_addr *saddr,
-                                              struct icmp6hdr *icmp6h);
-
-
 
 /*
  *     IGMP
 
        ipv6_dev_mc_dec(dev, &maddr);
 }
 
-struct sk_buff *ndisc_build_skb(struct net_device *dev,
-                               const struct in6_addr *daddr,
-                               const struct in6_addr *saddr,
-                               struct icmp6hdr *icmp6h,
-                               const struct in6_addr *target,
-                               int llinfo)
+static struct sk_buff *ndisc_build_skb(struct net_device *dev,
+                                      const struct in6_addr *daddr,
+                                      const struct in6_addr *saddr,
+                                      struct icmp6hdr *icmp6h,
+                                      const struct in6_addr *target,
+                                      int llinfo)
 {
        struct net *net = dev_net(dev);
        struct sock *sk = net->ipv6.ndisc_sk;
        return skb;
 }
 
-EXPORT_SYMBOL(ndisc_build_skb);
-
-void ndisc_send_skb(struct sk_buff *skb,
-                   struct net_device *dev,
-                   struct neighbour *neigh,
-                   const struct in6_addr *daddr,
-                   const struct in6_addr *saddr,
-                   struct icmp6hdr *icmp6h)
+static void ndisc_send_skb(struct sk_buff *skb, struct net_device *dev,
+                          struct neighbour *neigh,
+                          const struct in6_addr *daddr,
+                          const struct in6_addr *saddr,
+                          struct icmp6hdr *icmp6h)
 {
        struct flowi6 fl6;
        struct dst_entry *dst;
        rcu_read_unlock();
 }
 
-EXPORT_SYMBOL(ndisc_send_skb);
-
 /*
  *     Send a Neighbour Discover packet
  */