diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.c
index c8ea3126e7dc176f349160cdceacb0d15ad49b07..cf3acee12dc3cf35d4d08cdbcdc73d6d9dd96d46 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.c
@@ -416,15 +416,12 @@ static int __mt76x0_dma_fw(struct mt76x0_dev *dev,
 	memcpy(buf.buf + sizeof(reg), data, len);
 	memset(buf.buf + sizeof(reg) + len, 0, 8);
 
-	ret = mt76x0_vendor_single_wr(dev, MT_VEND_WRITE_FCE,
-				       MT_FCE_DMA_ADDR, dst_addr);
-	if (ret)
-		return ret;
+	mt76u_single_wr(&dev->mt76, MT_VEND_WRITE_FCE, MT_FCE_DMA_ADDR,
+			dst_addr);
+
 	len = roundup(len, 4);
-	ret = mt76x0_vendor_single_wr(dev, MT_VEND_WRITE_FCE,
-				       MT_FCE_DMA_LEN, len << 16);
-	if (ret)
-		return ret;
+	mt76u_single_wr(&dev->mt76, MT_VEND_WRITE_FCE, MT_FCE_DMA_LEN,
+			len << 16);
 
 	buf.len = MT_DMA_HDR_LEN + len + 4;
 	ret = mt76x0_usb_submit_buf(dev, USB_DIR_OUT, MT_EP_OUT_INBAND_CMD,
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
index a0052ef3626673343fabdfac5fa3e29398c3faaf..a6cb0c3ce5a678fb790ef17acce2629e9e4c958a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
@@ -131,25 +131,6 @@ int mt76x0_vendor_request(struct mt76x0_dev *dev, const u8 req,
 	return ret;
 }
 
-int mt76x0_vendor_single_wr(struct mt76x0_dev *dev, const u8 req,
-			     const u16 offset, const u32 val)
-{
-	struct mt76x0_dev *mdev = dev;
-	int ret;
-
-	mutex_lock(&mdev->usb_ctrl_mtx);
-
-	ret = mt76x0_vendor_request(dev, req, USB_DIR_OUT,
-				    val & 0xffff, offset, NULL, 0);
-	if (!ret)
-		ret = mt76x0_vendor_request(dev, req, USB_DIR_OUT,
-					    val >> 16, offset + 2, NULL, 0);
-
-	mutex_unlock(&mdev->usb_ctrl_mtx);
-
-	return ret;
-}
-
 void mt76x0_addr_wr(struct mt76x0_dev *dev, const u32 offset, const u8 *addr)
 {
 	mt76_wr(dev, offset, get_unaligned_le32(addr));
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.h b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.h
index d23ca45a294eea2b6503a87537a96897d7ff2450..931c36554ff4a75bdca4cfb6f2456ce3b6c32ded 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.h
@@ -54,7 +54,5 @@ void mt76x0_complete_urb(struct urb *urb);
 int mt76x0_vendor_request(struct mt76x0_dev *dev, const u8 req,
 			   const u8 direction, const u16 val, const u16 offset,
 			   void *buf, const size_t buflen);
-int mt76x0_vendor_single_wr(struct mt76x0_dev *dev, const u8 req,
-			     const u16 offset, const u32 val);
 
 #endif