diff --git a/configure.ac b/configure.ac
index 11dc44fd..09fcb9c8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -100,7 +100,7 @@ fi
 dnl Checks for library functions.
 AC_TYPE_GETGROUPS
 AC_FUNC_UTIME_NULL
-AC_REPLACE_FUNCS(putgrent putpwent putspent rmdir)
+AC_REPLACE_FUNCS(putgrent putpwent putspent)
 AC_REPLACE_FUNCS(sgetgrent sgetpwent sgetspent)
 AC_REPLACE_FUNCS(strcasecmp strdup)