Index: uspace/lib/c/generic/ddi.c
===================================================================
--- uspace/lib/c/generic/ddi.c	(revision 63f89665fc0283c1661274dc636d5a66e03d48b4)
+++ uspace/lib/c/generic/ddi.c	(revision e0e568ff3670144df5e0a382a215ac5c14cebacb)
@@ -96,13 +96,4 @@
 }
 
-/** Interrupt control
- *
- * @param enable	1 - enable interrupts, 0 - disable interrupts
- */
-int preemption_control(int enable)
-{
-	return __SYSCALL1(SYS_PREEMPT_CONTROL, (sysarg_t) enable);
-}
-
 /** Enable PIO for specified I/O range.
  *