diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 6e416f6d3e3cbe9ed17406b1c504f33023d76509..fde3b593c3f2423982eddc2d2ea5f4c5b1d43acf 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -671,8 +671,6 @@ static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_add
 	return __ipv6_addr_diff(a1, a2, sizeof(struct in6_addr));
 }
 
-u32 __ipv6_select_ident(u32 hashrnd, struct in6_addr *dst,
-			struct in6_addr *src);
 void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt);
 void ipv6_proxy_select_ident(struct sk_buff *skb);
 
diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c
index a86cf60f0ca61d0182ab377068e1cd9592e5b3d7..74581f706c4da49edef5947e755d049b125d5a25 100644
--- a/net/ipv6/output_core.c
+++ b/net/ipv6/output_core.c
@@ -9,7 +9,8 @@
 #include <net/addrconf.h>
 #include <net/secure_seq.h>
 
-u32 __ipv6_select_ident(u32 hashrnd, struct in6_addr *dst, struct in6_addr *src)
+static u32 __ipv6_select_ident(u32 hashrnd, struct in6_addr *dst,
+			       struct in6_addr *src)
 {
 	u32 hash, id;