diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index 6ddb4a5da371..49b4257ce1ea 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -17,9 +17,6 @@ static inline struct nlmsghdr *nlmsg_hdr(const struct sk_buff *skb)
 }
 
 enum netlink_skb_flags {
-	NETLINK_SKB_MMAPED	= 0x1,	/* Packet data is mmaped */
-	NETLINK_SKB_TX		= 0x2,	/* Packet was sent by userspace */
-	NETLINK_SKB_DELIVERED	= 0x4,	/* Packet was delivered */
 	NETLINK_SKB_DST		= 0x8,	/* Dst set in sendto or sendmsg */
 };