diff --git a/lib/kafs/afssysdefs.h b/lib/kafs/afssysdefs.h
index ffa04a474..f49d72749 100644
--- a/lib/kafs/afssysdefs.h
+++ b/lib/kafs/afssysdefs.h
@@ -18,7 +18,7 @@
 #endif
 
 #if defined(_AIX)
-#define AFS_SYSCALL	38
+/* _AIX is too weird */
 #endif
 
 #if defined(sgi)