Index: uspace/lib/c/include/async.h
===================================================================
--- uspace/lib/c/include/async.h	(revision 01c3bb491370247ba1459d7e381e27022f09fed4)
+++ uspace/lib/c/include/async.h	(revision b5abaf7c8551d1f27dee4024aa0f8824ee2e9317)
@@ -151,4 +151,6 @@
 
 extern void async_usleep(suseconds_t);
+extern void async_sleep(unsigned int);
+
 extern void async_create_manager(void);
 extern void async_destroy_manager(void);
Index: uspace/lib/c/include/fibril_synch.h
===================================================================
--- uspace/lib/c/include/fibril_synch.h	(revision 01c3bb491370247ba1459d7e381e27022f09fed4)
+++ uspace/lib/c/include/fibril_synch.h	(revision b5abaf7c8551d1f27dee4024aa0f8824ee2e9317)
@@ -173,6 +173,4 @@
 extern fibril_timer_state_t fibril_timer_clear(fibril_timer_t *);
 extern fibril_timer_state_t fibril_timer_clear_locked(fibril_timer_t *);
-extern void fibril_usleep(useconds_t);
-extern void fibril_sleep(unsigned int);
 
 #endif