diff --git a/include/net/af_ieee802154.h b/include/net/af_ieee802154.h
index 0d78605fb1a6..e9c70ead23fc 100644
--- a/include/net/af_ieee802154.h
+++ b/include/net/af_ieee802154.h
@@ -54,7 +54,4 @@ struct sockaddr_ieee802154 {
 	struct ieee802154_addr addr;
 };
 
-/* master device */
-#define IEEE802154_SIOC_ADD_SLAVE		(SIOCDEVPRIVATE + 0)
-
 #endif