(le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & BIT(1)) &&
            (pmlmeinfo->HT_info.infos[0] & BIT(2))) {
                int i;
-               u8      rf_type;
-
-               rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
 
                /* update the MCS rates */
-               for (i = 0; i < 16; i++) {
-                       if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R))
-                               ((u8 *)&pmlmeinfo->HT_caps.mcs)[i] &= MCS_rate_1R[i];
-                       else
-                               ((u8 *)&pmlmeinfo->HT_caps.mcs)[i] &= MCS_rate_2R[i];
-               }
+               for (i = 0; i < 16; i++)
+                       ((u8 *)&pmlmeinfo->HT_caps.mcs)[i] &= MCS_rate_1R[i];
                /* switch to the 40M Hz mode according to the AP */
                pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_40;
                switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) {