diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac.h b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
index b353c26b7d27..e624843c2a25 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
@@ -159,6 +159,12 @@ static inline u8 mt76_connac_chan_bw(struct cfg80211_chan_def *chandef)
 	return width_to_bw[chandef->width];
 }
 
+static inline u8 mt76_connac_lmac_mapping(u8 ac)
+{
+	/* LMAC uses the reverse order of mac80211 AC indexes */
+	return 3 - ac;
+}
+
 int mt76_connac_pm_wake(struct mt76_phy *phy, struct mt76_connac_pm *pm);
 void mt76_connac_power_save_sched(struct mt76_phy *phy,
 				  struct mt76_connac_pm *pm);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index 39163567d712..d11002342f01 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -165,7 +165,7 @@ static void mt7915_mac_sta_poll(struct mt7915_dev *dev)
 		sta = container_of((void *)msta, struct ieee80211_sta,
 				   drv_priv);
 		for (i = 0; i < IEEE80211_NUM_ACS; i++) {
-			u8 q = mt7915_lmac_mapping(dev, i);
+			u8 q = mt76_connac_lmac_mapping(i);
 			u32 tx_cur = tx_time[q];
 			u32 rx_cur = rx_time[q];
 			u8 tid = ac_to_tid[i];
@@ -1205,7 +1205,7 @@ void mt7915_mac_write_txwi(struct mt7915_dev *dev, __le32 *txwi,
 	} else {
 		p_fmt = MT_TX_TYPE_CT;
 		q_idx = wmm_idx * MT7915_MAX_WMM_SETS +
-			mt7915_lmac_mapping(dev, skb_get_queue_mapping(skb));
+			mt76_connac_lmac_mapping(skb_get_queue_mapping(skb));
 	}
 
 	val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + MT_TXD_SIZE) |
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
index 3620aa873417..ae495dc5e28c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -506,11 +506,10 @@ static int
 mt7915_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
 	       const struct ieee80211_tx_queue_params *params)
 {
-	struct mt7915_dev *dev = mt7915_hw_dev(hw);
 	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
 
 	/* no need to update right away, we'll get BSS_CHANGED_QOS */
-	queue = mt7915_lmac_mapping(dev, queue);
+	queue = mt76_connac_lmac_mapping(queue);
 	mvif->queue_params[queue] = *params;
 
 	return 0;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index f5c22b86e1a9..bc3a3dcdb3a0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -378,12 +378,6 @@ mt7915_ext_phy(struct mt7915_dev *dev)
 	return phy->priv;
 }
 
-static inline u8 mt7915_lmac_mapping(struct mt7915_dev *dev, u8 ac)
-{
-	/* LMAC uses the reverse order of mac80211 AC indexes */
-	return 3 - ac;
-}
-
 extern const struct ieee80211_ops mt7915_ops;
 extern const struct mt76_testmode_ops mt7915_testmode_ops;
 extern struct pci_driver mt7915_pci_driver;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/testmode.c b/drivers/net/wireless/mediatek/mt76/mt7915/testmode.c
index 8300f262a654..83da21d15ddd 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/testmode.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/testmode.c
@@ -250,7 +250,7 @@ mt7915_tm_set_ipg_params(struct mt7915_phy *phy, u32 ipg, u8 mode)
 	mt7915_tm_set_slot_time(phy, slot_time, sifs);
 
 	return mt7915_tm_set_wmm_qid(dev,
-				     mt7915_lmac_mapping(dev, IEEE80211_AC_BE),
+				     mt76_connac_lmac_mapping(IEEE80211_AC_BE),
 				     aifsn, cw, cw, 0);
 }
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 83fd4fb6283c..dc7a2f5caf67 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -116,7 +116,7 @@ void mt7921_mac_sta_poll(struct mt7921_dev *dev)
 		sta = container_of((void *)msta, struct ieee80211_sta,
 				   drv_priv);
 		for (i = 0; i < IEEE80211_NUM_ACS; i++) {
-			u8 q = mt7921_lmac_mapping(dev, i);
+			u8 q = mt76_connac_lmac_mapping(i);
 			u32 tx_cur = tx_time[q];
 			u32 rx_cur = rx_time[q];
 			u8 tid = ac_to_tid[i];
@@ -949,7 +949,7 @@ void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi,
 	} else {
 		p_fmt = is_mmio ? MT_TX_TYPE_CT : MT_TX_TYPE_SF;
 		q_idx = wmm_idx * MT7921_MAX_WMM_SETS +
-			mt7921_lmac_mapping(dev, skb_get_queue_mapping(skb));
+			mt76_connac_lmac_mapping(skb_get_queue_mapping(skb));
 	}
 
 	val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + sz_txd) |
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
index 92371f3c99a0..0a34c99ba238 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -537,11 +537,10 @@ static int
 mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
 	       const struct ieee80211_tx_queue_params *params)
 {
-	struct mt7921_dev *dev = mt7921_hw_dev(hw);
 	struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
 
 	/* no need to update right away, we'll get BSS_CHANGED_QOS */
-	queue = mt7921_lmac_mapping(dev, queue);
+	queue = mt76_connac_lmac_mapping(queue);
 	mvif->queue_params[queue] = *params;
 
 	return 0;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index 7e763b0d9d40..1ccb99584d13 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -272,12 +272,6 @@ mt7921_hw_dev(struct ieee80211_hw *hw)
 #define mt7921_mutex_release(dev)	\
 	mt76_connac_mutex_release(&(dev)->mt76, &(dev)->pm)
 
-static inline u8 mt7921_lmac_mapping(struct mt7921_dev *dev, u8 ac)
-{
-	/* LMAC uses the reverse order of mac80211 AC indexes */
-	return 3 - ac;
-}
-
 extern const struct ieee80211_ops mt7921_ops;
 extern struct pci_driver mt7921_pci_driver;
 
