Index: abi/include/syscall.h
===================================================================
--- abi/include/syscall.h	(revision 8486c070d3e8193fcd8774597aa3c3438d3ba2c9)
+++ abi/include/syscall.h	(revision 6266cc61ed508a41fe8c010d8325cee1b533f685)
@@ -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,