diff --git a/mt7603_mac.c b/mt7603_mac.c
index 3750afb8..dcc099ed 100644
--- a/mt7603_mac.c
+++ b/mt7603_mac.c
@@ -51,7 +51,6 @@ void mt7603_mac_set_timing(struct mt7603_dev *dev)
 	u32 reg_offset = MT76_SET(MT_TIMEOUT_VAL_PLCP, offset) |
 			 MT76_SET(MT_TIMEOUT_VAL_CCA, offset);
 	int sifs;
-	u32 val;
 
 	if (dev->chandef.chan->band == IEEE80211_BAND_5GHZ)
 		sifs = 16;
@@ -62,10 +61,11 @@ void mt7603_mac_set_timing(struct mt7603_dev *dev)
 
 	mt76_wr(dev, MT_TIMEOUT_CCK, cck + reg_offset);
 	mt76_wr(dev, MT_TIMEOUT_OFDM, ofdm + reg_offset);
-	val = MT76_SET(MT_IFS_EIFS, 360) |
-	      MT76_SET(MT_IFS_RIFS, 2) |
-	      MT76_SET(MT_IFS_SIFS, sifs) |
-	      MT76_SET(MT_IFS_SLOT, dev->slottime);
+	mt76_wr(dev, MT_IFS,
+		MT76_SET(MT_IFS_EIFS, 360) |
+		MT76_SET(MT_IFS_RIFS, 2) |
+		MT76_SET(MT_IFS_SIFS, sifs) |
+		MT76_SET(MT_IFS_SLOT, dev->slottime));
 
 	mt7603_mac_start(dev);
 }