Index: uspace/lib/usb/include/usb/pipes.h
===================================================================
--- uspace/lib/usb/include/usb/pipes.h	(revision 2c2cbcf6d5258e8737126d8a8296ae162428dab7)
+++ uspace/lib/usb/include/usb/pipes.h	(revision 5ab4a48d32c23df2eb23375a41e3ba2eec2706e0)
@@ -177,8 +177,4 @@
 int usb_pipe_unregister(usb_pipe_t *, usb_hc_connection_t *);
 
-int usb_pipe_start_session(usb_pipe_t *);
-int usb_pipe_end_session(usb_pipe_t *);
-bool usb_pipe_is_session_started(usb_pipe_t *);
-
 void usb_pipe_start_long_transfer(usb_pipe_t *);
 void usb_pipe_end_long_transfer(usb_pipe_t *);