diff -ruN a/tests/tools/addcinfo.c b/tests/tools/addcinfo.c
--- a/tests/tools/addcinfo.c	2022-09-08 22:19:15.740092743 +0200
+++ b/tests/tools/addcinfo.c	2022-09-08 22:20:13.451034134 +0200
@@ -18,7 +18,7 @@
 #include "../../src/config.h"
 
 #include <sys/types.h>
-#include <sys/unistd.h>
+/* #include <sys/unistd.h> */
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
