diff --git a/src/include/console/usb.h b/src/include/console/usb.h
index 430557f..9591135 100644
--- a/src/include/console/usb.h
+++ b/src/include/console/usb.h
@@ -21,17 +21,11 @@
 #ifndef _CONSOLE_USB_H_
 #define _CONSOLE_USB_H_
 
-struct dbgp_pipe;
-
 int usbdebug_init(void);
 
-struct dbgp_pipe *dbgp_console_output(void);
-struct dbgp_pipe *dbgp_console_input(void);
-int dbgp_ep_is_active(struct dbgp_pipe *pipe);
-int dbgp_bulk_write_x(struct dbgp_pipe *pipe, const char *bytes, int size);
-int dbgp_bulk_read_x(struct dbgp_pipe *pipe, void *data, int size);
-void usbdebug_tx_byte(struct dbgp_pipe *pipe, unsigned char data);
-void usbdebug_tx_flush(struct dbgp_pipe *pipe);
-unsigned char usbdebug_rx_byte(struct dbgp_pipe *pipe);
+void usb_tx_byte(int idx, unsigned char data);
+void usb_tx_flush(int idx);
+unsigned char usb_rx_byte(int idx);
+int usb_can_rx_byte(int idx);
 
 #endif /* _CONSOLE_USB_H_ */