diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index 4bf3cf457ef0dedd02d897be03b47990f9619853..2e544a0c7c05844494c18247ad11dd12d5af7943 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -211,15 +211,6 @@ static int _usb_nbytes_read_write(struct usb_device *udev, bool read, u32 addr,
 	return status;
 }
 
-static int _usb_readN_sync(struct rtl_priv *rtlpriv, u32 addr, u16 len,
-			   u8 *pdata)
-{
-	struct device *dev = rtlpriv->io.dev;
-
-	return _usb_nbytes_read_write(to_usb_device(dev), true, addr, len,
-				       pdata);
-}
-
 static int _usb_writeN_async(struct rtl_priv *rtlpriv, u32 addr, u16 len,
 			     u8 *pdata)
 {
@@ -243,7 +234,6 @@ static void _rtl_usb_io_handler_init(struct device *dev,
 	rtlpriv->io.read8_sync		= _usb_read8_sync;
 	rtlpriv->io.read16_sync		= _usb_read16_sync;
 	rtlpriv->io.read32_sync		= _usb_read32_sync;
-	rtlpriv->io.readN_sync		= _usb_readN_sync;
 }
 
 static void _rtl_usb_io_handler_release(struct ieee80211_hw *hw)
diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h
index 615f6b4463e6977b50e345f43778b4737c8a0bfe..31b3be98e50ccd8bf40b417ba081fd4cbea5b56d 100644
--- a/drivers/net/wireless/rtlwifi/wifi.h
+++ b/drivers/net/wireless/rtlwifi/wifi.h
@@ -950,8 +950,6 @@ struct rtl_io {
 	u8(*read8_sync) (struct rtl_priv *rtlpriv, u32 addr);
 	u16(*read16_sync) (struct rtl_priv *rtlpriv, u32 addr);
 	u32(*read32_sync) (struct rtl_priv *rtlpriv, u32 addr);
-	int (*readN_sync) (struct rtl_priv *rtlpriv, u32 addr, u16 len,
-			    u8 *pdata);
 
 };