diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 3827a6b395fd..20745cf7ae1a 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -276,11 +276,6 @@ static inline void *neighbour_priv(const struct neighbour *n)
 
 extern const struct nla_policy nda_policy[];
 
-static inline bool neigh_key_eq16(const struct neighbour *n, const void *pkey)
-{
-	return *(const u16 *)n->primary_key == *(const u16 *)pkey;
-}
-
 static inline bool neigh_key_eq32(const struct neighbour *n, const void *pkey)
 {
 	return *(const u32 *)n->primary_key == *(const u32 *)pkey;