MAX_TYPE_AVG
 };
 
-/** WLAN_802_11_AUTH_ALG*/
-enum WLAN_802_11_AUTH_ALG {
-       AUTH_ALG_OPEN_SYSTEM = 1,
-       AUTH_ALG_SHARED_KEY = 2,
-       AUTH_ALG_NETWORK_EAP = 8,
-};
-
 /** WLAN_802_11_ENCRYPTION_MODE */
 enum WLAN_802_11_ENCRYPTION_MODE {
        CIPHER_NONE,
 
        return ret;
 }
 
-/**
- *  @brief Set authentication mode
- *  @param priv                 A pointer to wlan_private structure
- *  @param req                 A pointer to ifreq structure
- *  @return                    0 --success, otherwise fail
- */
-static int wlan_setauthalg_ioctl(wlan_private * priv, struct ifreq *req)
-{
-       int alg;
-       struct iwreq *wrq = (struct iwreq *)req;
-       wlan_adapter *adapter = priv->adapter;
-
-       if (wrq->u.data.flags == 0) {
-               //from iwpriv subcmd
-               alg = SUBCMD_DATA(wrq);
-       } else {
-               //from wpa_supplicant subcmd
-               if (copy_from_user(&alg, wrq->u.data.pointer, sizeof(alg))) {
-                       lbs_pr_debug(1, "Copy from user failed\n");
-                       return -EFAULT;
-               }
-       }
-
-       lbs_pr_debug(1, "auth alg is %#x\n", alg);
-
-       switch (alg) {
-       case AUTH_ALG_SHARED_KEY:
-               adapter->secinfo.authmode = wlan802_11authmodeshared;
-               break;
-       case AUTH_ALG_NETWORK_EAP:
-               adapter->secinfo.authmode =
-                   wlan802_11authmodenetworkEAP;
-               break;
-       case AUTH_ALG_OPEN_SYSTEM:
-       default:
-               adapter->secinfo.authmode = wlan802_11authmodeopen;
-               break;
-       }
-       return 0;
-}
-
 static int wlan_setencryptionmode_ioctl(wlan_private * priv, struct ifreq *req)
 {
        int mode;
                        ret = wlan_set_multiple_dtim_ioctl(priv, req);
                        break;
 
-               case WLANSETAUTHALG:
-                       ret = wlan_setauthalg_ioctl(priv, req);
-                       break;
-
                case WLANSETENCRYPTIONMODE:
                        ret = wlan_setencryptionmode_ioctl(priv, req);
                        break;