diff --git a/include/rtw_io.h b/include/rtw_io.h
index cafb12d..1beec27 100644
--- a/include/rtw_io.h
+++ b/include/rtw_io.h
@@ -106,15 +106,11 @@ struct _io_ops {
 	void (*_read_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
 	void (*_write_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
 
-	void (*_sync_irp_protocol_rw)(struct io_queue *pio_q);
-
 	u32(*_read_interrupt)(struct intf_hdl *pintfhdl, u32 addr);
 
 	u32(*_read_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
 	u32(*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *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);