u32 cmd;
                        u32 ra_info1, ra_info2;
                        u32 rate_mask1, rate_mask2;
-                       u8 curr_tx_rate, curr_tx_sgi, hight_rate, lowest_rate;
 
                        cmd = 0x40000100 | mac_id;
                        rtw_write32(padapter, REG_HMEBOX_DBG_2_8723B, cmd);
                        msleep(10);
                        ra_info1 = rtw_read32(padapter, 0x2F0);
-                       curr_tx_rate = ra_info1&0x7F;
-                       curr_tx_sgi = (ra_info1>>7)&0x01;
 
                        cmd = 0x40000400 | mac_id;
                        rtw_write32(padapter, REG_HMEBOX_DBG_2_8723B, cmd);
                        ra_info2 = rtw_read32(padapter, 0x2F4);
                        rate_mask1 = rtw_read32(padapter, 0x2F8);
                        rate_mask2 = rtw_read32(padapter, 0x2FC);
-                       hight_rate = ra_info2&0xFF;
-                       lowest_rate = (ra_info2>>8)  & 0xFF;
 
                }
                break;