diff --git a/sys/dev/bwn/if_bwn_phy_g.c b/sys/dev/bwn/if_bwn_phy_g.c
index 1659eb2a99b..09f8f0e569e 100644
--- a/sys/dev/bwn/if_bwn_phy_g.c
+++ b/sys/dev/bwn/if_bwn_phy_g.c
@@ -2136,14 +2136,12 @@ bwn_lo_measure_gain_values(struct bwn_mac *mac, int16_t max_rx_gain,
 		max_rx_gain = 0;
 
 	if (BWN_HAS_LOOPBACK(phy)) {
-		int trsw_rx = 0;
 		int trsw_rx_gain;
 
 		if (use_trsw_rx) {
 			trsw_rx_gain = pg->pg_trsw_rx_gain / 2;
 			if (max_rx_gain >= trsw_rx_gain) {
 				trsw_rx_gain = max_rx_gain - trsw_rx_gain;
-				trsw_rx = 0x20;
 			}
 		} else
 			trsw_rx_gain = max_rx_gain;