Index: abi/include/syscall.h
===================================================================
--- abi/include/syscall.h	(revision 8486c070d3e8193fcd8774597aa3c3438d3ba2c9)
+++ abi/include/syscall.h	(revision f7ea54007c430389f32534f3b3ec662f2dad8fe7)
@@ -63,6 +63,4 @@
 	SYS_PAGE_FIND_MAPPING,
 	
-	SYS_IPC_CALL_SYNC_FAST,
-	SYS_IPC_CALL_SYNC_SLOW,
 	SYS_IPC_CALL_ASYNC_FAST,
 	SYS_IPC_CALL_ASYNC_SLOW,