diff --git a/net/neighbor/neighbor_ethernet_out.c b/net/neighbor/neighbor_ethernet_out.c
index f8246498d19..496c8927780 100644
--- a/net/neighbor/neighbor_ethernet_out.c
+++ b/net/neighbor/neighbor_ethernet_out.c
@@ -196,10 +196,6 @@ void neighbor_ethernet_out(FAR struct net_driver_s *dev)
   memcpy(eth->src, dev->d_mac.ether.ether_addr_octet, ETHER_ADDR_LEN);
   eth->type  = HTONS(ETHTYPE_IP6);
 
-  /* Update device buffer length */
-
-  iob_update_pktlen(dev->d_iob, dev->d_len);
-
   /* Add the size of the layer layer header to the total size of the
    * outgoing packet.
    */