https://bugs.gentoo.org/585978

--- a/reiserfscore/xattr.c
+++ b/reiserfscore/xattr.c
@@ -1,7 +1,6 @@
 #include <sys/types.h>
 #include <stdio.h>
 #include <errno.h>
-#include <sys/acl.h>
 #include "reiserfs_lib.h"
 
 static inline unsigned short from32to16(unsigned int x)
