diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
index 06d17e07034d..d9dd3d404986 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
@@ -876,60 +876,6 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
 }
 EXPORT_SYMBOL_GPL(mt7615_mac_write_txwi);
 
-static void
-mt7615_txp_skb_unmap_fw(struct mt76_dev *dev, struct mt76_connac_fw_txp *txp)
-{
-	int i;
-
-	for (i = 0; i < txp->nbuf; i++)
-		dma_unmap_single(dev->dev, le32_to_cpu(txp->buf[i]),
-				 le16_to_cpu(txp->len[i]), DMA_TO_DEVICE);
-}
-
-static void
-mt7615_txp_skb_unmap_hw(struct mt76_dev *dev, struct mt76_connac_hw_txp *txp)
-{
-	u32 last_mask;
-	int i;
-
-	last_mask = is_mt7663(dev) ? MT_TXD_LEN_LAST : MT_TXD_LEN_MSDU_LAST;
-
-	for (i = 0; i < ARRAY_SIZE(txp->ptr); i++) {
-		struct mt76_connac_txp_ptr *ptr = &txp->ptr[i];
-		bool last;
-		u16 len;
-
-		len = le16_to_cpu(ptr->len0);
-		last = len & last_mask;
-		len &= MT_TXD_LEN_MASK;
-		dma_unmap_single(dev->dev, le32_to_cpu(ptr->buf0), len,
-				 DMA_TO_DEVICE);
-		if (last)
-			break;
-
-		len = le16_to_cpu(ptr->len1);
-		last = len & last_mask;
-		len &= MT_TXD_LEN_MASK;
-		dma_unmap_single(dev->dev, le32_to_cpu(ptr->buf1), len,
-				 DMA_TO_DEVICE);
-		if (last)
-			break;
-	}
-}
-
-void mt7615_txp_skb_unmap(struct mt76_dev *dev,
-			  struct mt76_txwi_cache *t)
-{
-	struct mt76_connac_txp_common *txp;
-
-	txp = mt76_connac_txwi_to_txp(dev, t);
-	if (is_mt7615(dev))
-		mt7615_txp_skb_unmap_fw(dev, &txp->fw);
-	else
-		mt7615_txp_skb_unmap_hw(dev, &txp->hw);
-}
-EXPORT_SYMBOL_GPL(mt7615_txp_skb_unmap);
-
 bool mt7615_mac_wtbl_update(struct mt7615_dev *dev, int idx, u32 mask)
 {
 	mt76_rmw(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_WLAN_IDX,
@@ -1608,7 +1554,7 @@ mt7615_txwi_free(struct mt7615_dev *dev, struct mt76_txwi_cache *txwi)
 	u32 val;
 	u8 wcid;
 
-	mt7615_txp_skb_unmap(mdev, txwi);
+	mt76_connac_txp_skb_unmap(mdev, txwi);
 	if (!txwi->skb)
 		goto out;
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
index 288cc391b61e..653181905d09 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
@@ -517,8 +517,6 @@ int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 			   struct ieee80211_sta *sta);
 void mt7615_mac_work(struct work_struct *work);
-void mt7615_txp_skb_unmap(struct mt76_dev *dev,
-			  struct mt76_txwi_cache *txwi);
 int mt7615_mcu_set_rx_hdr_trans_blacklist(struct mt7615_dev *dev);
 int mt7615_mcu_set_fcc5_lpn(struct mt7615_dev *dev, int val);
 int mt7615_mcu_set_pulse_th(struct mt7615_dev *dev,
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac.h b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
index 9f4323de3a8b..077239b0820a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
@@ -327,6 +327,8 @@ mt76_connac_mutex_release(struct mt76_dev *dev, struct mt76_connac_pm *pm)
 void mt76_connac_write_hw_txp(struct mt76_dev *dev,
 			      struct mt76_tx_info *tx_info,
 			      void *txp_ptr, u32 id);
+void mt76_connac_txp_skb_unmap(struct mt76_dev *dev,
+			       struct mt76_txwi_cache *txwi);
 void mt76_connac_tx_complete_skb(struct mt76_dev *mdev,
 				 struct mt76_queue_entry *e);
 void mt76_connac_pm_queue_skb(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c
index 9bba5dcbe0c6..af2b33d738ca 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c
@@ -191,6 +191,66 @@ void mt76_connac_write_hw_txp(struct mt76_dev *dev,
 }
 EXPORT_SYMBOL_GPL(mt76_connac_write_hw_txp);
 
+static void
+mt76_connac_txp_skb_unmap_fw(struct mt76_dev *mdev,
+			     struct mt76_connac_fw_txp *txp)
+{
+	struct device *dev = is_connac_v1(mdev) ? mdev->dev : mdev->dma_dev;
+	int i;
+
+	for (i = 0; i < txp->nbuf; i++)
+		dma_unmap_single(dev, le32_to_cpu(txp->buf[i]),
+				 le16_to_cpu(txp->len[i]), DMA_TO_DEVICE);
+}
+
+static void
+mt76_connac_txp_skb_unmap_hw(struct mt76_dev *dev,
+			     struct mt76_connac_hw_txp *txp)
+{
+	u32 last_mask;
+	int i;
+
+	if (is_mt7663(dev) || is_mt7921(dev))
+		last_mask = MT_TXD_LEN_LAST;
+	else
+		last_mask = MT_TXD_LEN_MSDU_LAST;
+
+	for (i = 0; i < ARRAY_SIZE(txp->ptr); i++) {
+		struct mt76_connac_txp_ptr *ptr = &txp->ptr[i];
+		bool last;
+		u16 len;
+
+		len = le16_to_cpu(ptr->len0);
+		last = len & last_mask;
+		len &= MT_TXD_LEN_MASK;
+		dma_unmap_single(dev->dev, le32_to_cpu(ptr->buf0), len,
+				 DMA_TO_DEVICE);
+		if (last)
+			break;
+
+		len = le16_to_cpu(ptr->len1);
+		last = len & last_mask;
+		len &= MT_TXD_LEN_MASK;
+		dma_unmap_single(dev->dev, le32_to_cpu(ptr->buf1), len,
+				 DMA_TO_DEVICE);
+		if (last)
+			break;
+	}
+}
+
+void mt76_connac_txp_skb_unmap(struct mt76_dev *dev,
+			       struct mt76_txwi_cache *t)
+{
+	struct mt76_connac_txp_common *txp;
+
+	txp = mt76_connac_txwi_to_txp(dev, t);
+	if (is_mt76_fw_txp(dev))
+		mt76_connac_txp_skb_unmap_fw(dev, &txp->fw);
+	else
+		mt76_connac_txp_skb_unmap_hw(dev, &txp->hw);
+}
+EXPORT_SYMBOL_GPL(mt76_connac_txp_skb_unmap);
+
 static u16
 mt76_connac2_mac_tx_rate_val(struct mt76_phy *mphy, struct ieee80211_vif *vif,
 			     bool beacon, bool mcast)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index 719b11e2e57c..dabcd425cd34 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -804,18 +804,6 @@ mt7915_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi)
 		ieee80211_start_tx_ba_session(sta, tid, 0);
 }
 
-static void
-mt7915_txp_skb_unmap(struct mt76_dev *dev, struct mt76_txwi_cache *t)
-{
-	struct mt76_connac_fw_txp *txp;
-	int i;
-
-	txp = mt76_connac_txwi_to_txp(dev, t);
-	for (i = 0; i < txp->nbuf; i++)
-		dma_unmap_single(dev->dma_dev, le32_to_cpu(txp->buf[i]),
-				 le16_to_cpu(txp->len[i]), DMA_TO_DEVICE);
-}
-
 static void
 mt7915_txwi_free(struct mt7915_dev *dev, struct mt76_txwi_cache *t,
 		 struct ieee80211_sta *sta, struct list_head *free_list)
@@ -826,7 +814,7 @@ mt7915_txwi_free(struct mt7915_dev *dev, struct mt76_txwi_cache *t,
 	__le32 *txwi;
 	u16 wcid_idx;
 
-	mt7915_txp_skb_unmap(mdev, t);
+	mt76_connac_txp_skb_unmap(mdev, t);
 	if (!t->skb)
 		goto out;
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c
index 368f114dc60c..f6c605a59b81 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c
@@ -53,37 +53,6 @@ int mt7921e_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
 	return 0;
 }
 
-static void
-mt7921_txp_skb_unmap(struct mt76_dev *dev, struct mt76_txwi_cache *t)
-{
-	struct mt76_connac_txp_common *txp;
-	int i;
-
-	txp = mt76_connac_txwi_to_txp(dev, t);
-
-	for (i = 0; i < ARRAY_SIZE(txp->hw.ptr); i++) {
-		struct mt76_connac_txp_ptr *ptr = &txp->hw.ptr[i];
-		bool last;
-		u16 len;
-
-		len = le16_to_cpu(ptr->len0);
-		last = len & MT_TXD_LEN_LAST;
-		len &= MT_TXD_LEN_MASK;
-		dma_unmap_single(dev->dev, le32_to_cpu(ptr->buf0), len,
-				 DMA_TO_DEVICE);
-		if (last)
-			break;
-
-		len = le16_to_cpu(ptr->len1);
-		last = len & MT_TXD_LEN_LAST;
-		len &= MT_TXD_LEN_MASK;
-		dma_unmap_single(dev->dev, le32_to_cpu(ptr->buf1), len,
-				 DMA_TO_DEVICE);
-		if (last)
-			break;
-	}
-}
-
 static void
 mt7921_txwi_free(struct mt7921_dev *dev, struct mt76_txwi_cache *t,
 		 struct ieee80211_sta *sta, bool clear_status,
@@ -93,7 +62,7 @@ mt7921_txwi_free(struct mt7921_dev *dev, struct mt76_txwi_cache *t,
 	__le32 *txwi;
 	u16 wcid_idx;
 
-	mt7921_txp_skb_unmap(mdev, t);
+	mt76_connac_txp_skb_unmap(mdev, t);
 	if (!t->skb)
 		goto out;
 
