Index: abi/include/abi/synch.h
===================================================================
--- abi/include/abi/synch.h	(revision 3529fbf0dcb9c1b1a37194a16e000ee253b245a3)
+++ abi/include/abi/synch.h	(revision 897fd8f11ec6c9c4a63697b4ccc6ab67c8be92f2)
@@ -46,21 +46,4 @@
 #define SYNCH_FLAGS_INTERRUPTIBLE  (1 << 1)
 
-/** Could not satisfy the request without going to sleep. */
-#define ESYNCH_WOULD_BLOCK  1
-/** Timeout occurred. */
-#define ESYNCH_TIMEOUT      2
-/** Sleep was interrupted. */
-#define ESYNCH_INTERRUPTED  4
-/** Operation succeeded without sleeping. */
-#define ESYNCH_OK_ATOMIC    8
-/** Operation succeeded and did sleep. */
-#define ESYNCH_OK_BLOCKED   16
-
-#define SYNCH_FAILED(rc) \
-	((rc) & (ESYNCH_WOULD_BLOCK | ESYNCH_TIMEOUT | ESYNCH_INTERRUPTED))
-
-#define SYNCH_OK(rc) \
-	((rc) & (ESYNCH_OK_ATOMIC | ESYNCH_OK_BLOCKED))
-
 #endif