diff --git a/source3/winbindd/idmap_util.c b/source3/winbindd/idmap_util.c
index f90565f6a6c..b6f7b524bf8 100644
--- a/source3/winbindd/idmap_util.c
+++ b/source3/winbindd/idmap_util.c
@@ -160,11 +160,6 @@ backend:
  */
 bool idmap_unix_id_is_in_range(uint32_t id, struct idmap_domain *dom)
 {
-	if (id == 0) {
-		/* 0 is not an allowed unix id for id mapping */
-		return false;
-	}
-
 	if ((dom->low_id && (id < dom->low_id)) ||
 	    (dom->high_id && (id > dom->high_id)))
 	{