*     NAT2.5 interface
  */
 
-void nat25_db_cleanup(struct adapter *priv)
-{
-       int i;
-
-       spin_lock_bh(&priv->br_ext_lock);
-
-       for (i = 0; i < NAT25_HASH_SIZE; i++) {
-               struct nat25_network_db_entry *f;
-               f = priv->nethash[i];
-               while (f != NULL) {
-                       struct nat25_network_db_entry *g;
-
-                       g = f->next_hash;
-                       if (priv->scdb_entry == f) {
-                               memset(priv->scdb_mac, 0, ETH_ALEN);
-                               memset(priv->scdb_ip, 0, 4);
-                               priv->scdb_entry = NULL;
-                       }
-                       __network_hash_unlink(f);
-                       kfree(f);
-                       f = g;
-               }
-       }
-       spin_unlock_bh(&priv->br_ext_lock);
-}
-
 void nat25_db_expire(struct adapter *priv)
 {
        int i;
 
 
                RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("\n ***Error: disconnect_cmd_callback Fail ***\n."));
                return;
-       } else /* clear bridge database */
-               nat25_db_cleanup(padapter);
+       }
 
        /*  free cmd */
        rtw_free_cmd_obj(pcmd);
 
                rtw_led_control(padapter, LED_CTL_POWER_OFF);
        }
 
-       nat25_db_cleanup(padapter);
-
 #ifdef CONFIG_88EU_P2P
        rtw_p2p_enable(padapter, P2P_ROLE_DISABLE);
 #endif /* CONFIG_88EU_P2P */