Index: uspace/lib/c/include/async.h
===================================================================
--- uspace/lib/c/include/async.h	(revision 7b616e23c349fc3f8cb4c5132825f4f5ef12c96a)
+++ uspace/lib/c/include/async.h	(revision 94868e16d54e746dbcba2bbfd0fa09835a5cf91c)
@@ -166,7 +166,7 @@
     sysarg_t, async_port_handler_t, void *, port_id_t *);
 
-extern int async_irq_subscribe(int, int, async_notification_handler_t, void *,
+extern int async_irq_subscribe(int, async_notification_handler_t, void *,
     const irq_code_t *);
-extern int async_irq_unsubscribe(int, int);
+extern int async_irq_unsubscribe(int);
 
 extern int async_event_subscribe(event_type_t, async_notification_handler_t,
@@ -343,5 +343,4 @@
     sysarg_t *, sysarg_t *);
 
-extern async_sess_t *async_clone_establish(exch_mgmt_t, async_exch_t *);
 extern async_sess_t *async_connect_me_to(exch_mgmt_t, async_exch_t *, sysarg_t,
     sysarg_t, sysarg_t);
@@ -472,6 +471,4 @@
     sysarg_t, sysarg_t, sysarg_t, ipc_call_t *);
 
-extern int async_exchange_clone(async_exch_t *, async_exch_t *);
-extern async_sess_t *async_clone_receive(exch_mgmt_t);
 extern async_sess_t *async_callback_receive(exch_mgmt_t);
 extern async_sess_t *async_callback_receive_start(exch_mgmt_t, ipc_call_t *);
Index: uspace/lib/c/include/ipc/irq.h
===================================================================
--- uspace/lib/c/include/ipc/irq.h	(revision 7b616e23c349fc3f8cb4c5132825f4f5ef12c96a)
+++ uspace/lib/c/include/ipc/irq.h	(revision 94868e16d54e746dbcba2bbfd0fa09835a5cf91c)
@@ -39,6 +39,6 @@
 #include <abi/ddi/irq.h>
 
-extern int ipc_irq_subscribe(int, int, sysarg_t, const irq_code_t *);
-extern int ipc_irq_unsubscribe(int, int);
+extern int ipc_irq_subscribe(int, sysarg_t, const irq_code_t *);
+extern int ipc_irq_unsubscribe(int);
 
 #endif