diff --git a/drivers/staging/rtl8723au/include/rtw_io.h b/drivers/staging/rtl8723au/include/rtw_io.h
index c1bb30b6b55e..4a6bb072436c 100644
--- a/drivers/staging/rtl8723au/include/rtw_io.h
+++ b/drivers/staging/rtl8723au/include/rtw_io.h
@@ -121,8 +121,6 @@ struct _io_ops
 		u32 (*_read_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, struct recv_buf *rbuf);
 		u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, struct xmit_buf *pmem);
 
-		u32 (*_write_scsi)(struct intf_hdl *pintfhdl,u32 cnt, u8 *pmem);
-
 		void (*_read_port_cancel)(struct intf_hdl *pintfhdl);
 		void (*_write_port_cancel)(struct intf_hdl *pintfhdl);
 };
@@ -363,8 +361,6 @@ int dbg_rtw_writeN23a(struct rtw_adapter *adapter, u32 addr ,u32 length , u8 *da
 #define rtw_write_port_cancel(adapter) _rtw_write_port23a_cancel((adapter))
 #endif /* DBG_IO */
 
-void rtw_write_scsi(struct rtw_adapter *adapter, u32 cnt, u8 *pmem);
-
 uint alloc_io_queue(struct rtw_adapter *adapter);
 void free_io_queue(struct rtw_adapter *adapter);
 void async_bus_io(struct io_queue *pio_q);