diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 3357332ea375..b623b65a79d1 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -59,9 +59,6 @@ struct in6_validator_info {
 	struct netlink_ext_ack	*extack;
 };
 
-#define IN6_ADDR_HSIZE_SHIFT	8
-#define IN6_ADDR_HSIZE		(1 << IN6_ADDR_HSIZE_SHIFT)
-
 int addrconf_init(void);
 void addrconf_cleanup(void);
 
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 69b8cdb43aa2..66d8c3d912fd 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -157,6 +157,8 @@ static int ipv6_generate_stable_address(struct in6_addr *addr,
 					u8 dad_count,
 					const struct inet6_dev *idev);
 
+#define IN6_ADDR_HSIZE_SHIFT	8
+#define IN6_ADDR_HSIZE		(1 << IN6_ADDR_HSIZE_SHIFT)
 /*
  *	Configured unicast address hash table
  */