diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index 8e0b6c856a13..9b787b62cf16 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -122,7 +122,7 @@ struct genl_ops {
 	struct list_head	ops_list;
 };
 
-extern int __genl_register_family(struct genl_family *family);
+int __genl_register_family(struct genl_family *family);
 
 static inline int genl_register_family(struct genl_family *family)
 {
@@ -130,8 +130,8 @@ static inline int genl_register_family(struct genl_family *family)
 	return __genl_register_family(family);
 }
 
-extern int __genl_register_family_with_ops(struct genl_family *family,
-	struct genl_ops *ops, size_t n_ops);
+int __genl_register_family_with_ops(struct genl_family *family,
+				    struct genl_ops *ops, size_t n_ops);
 
 static inline int genl_register_family_with_ops(struct genl_family *family,
 	struct genl_ops *ops, size_t n_ops)
@@ -140,18 +140,18 @@ static inline int genl_register_family_with_ops(struct genl_family *family,
 	return __genl_register_family_with_ops(family, ops, n_ops);
 }
 
-extern int genl_unregister_family(struct genl_family *family);
-extern int genl_register_ops(struct genl_family *, struct genl_ops *ops);
-extern int genl_unregister_ops(struct genl_family *, struct genl_ops *ops);
-extern int genl_register_mc_group(struct genl_family *family,
-				  struct genl_multicast_group *grp);
-extern void genl_unregister_mc_group(struct genl_family *family,
-				     struct genl_multicast_group *grp);
-extern void genl_notify(struct sk_buff *skb, struct net *net, u32 portid,
-			u32 group, struct nlmsghdr *nlh, gfp_t flags);
+int genl_unregister_family(struct genl_family *family);
+int genl_register_ops(struct genl_family *, struct genl_ops *ops);
+int genl_unregister_ops(struct genl_family *, struct genl_ops *ops);
+int genl_register_mc_group(struct genl_family *family,
+			   struct genl_multicast_group *grp);
+void genl_unregister_mc_group(struct genl_family *family,
+			      struct genl_multicast_group *grp);
+void genl_notify(struct sk_buff *skb, struct net *net, u32 portid,
+		 u32 group, struct nlmsghdr *nlh, gfp_t flags);
 
 void *genlmsg_put(struct sk_buff *skb, u32 portid, u32 seq,
-				struct genl_family *family, int flags, u8 cmd);
+		  struct genl_family *family, int flags, u8 cmd);
 
 /**
  * genlmsg_nlhdr - Obtain netlink header from user specified header