diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c
index f606174c606a..aaaa2a81ce96 100644
--- a/drivers/bluetooth/btmtksdio.c
+++ b/drivers/bluetooth/btmtksdio.c
@@ -1180,9 +1180,6 @@ static int btmtksdio_setup(struct hci_dev *hdev)
 		btmtk_fw_get_filename(fwname, sizeof(fwname), dev_id,
 				      fw_version, 0);
 
-		snprintf(fwname, sizeof(fwname),
-			 "mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin",
-			 dev_id & 0xffff, (fw_version & 0xff) + 1);
 		err = mt79xx_setup(hdev, fwname);
 		if (err < 0)
 			return err;