diff --git a/apps/product/services/quota_stat_service.py b/apps/product/services/quota_stat_service.py
index ddd3896..d5a236e 100644
--- a/apps/product/services/quota_stat_service.py
+++ b/apps/product/services/quota_stat_service.py
@@ -138,11 +138,7 @@ class QuotaStatsService:
         stat_queryset = OrganizationQuotaStats.objects.select_related('quota', 'organization')
         update_my_remaining_stat = True
 
-        parent_orgs = []
-
-        while org:
-            parent_orgs.append(org)
-            org = org.parent_organization
+        parent_orgs = [org]
 
         parent_orgs_ids = [org.id for org in parent_orgs]
 
diff --git a/apps/warehouse/services/warehouse_allocation_service.py b/apps/warehouse/services/warehouse_allocation_service.py
index 7a909dc..1edb408 100644
--- a/apps/warehouse/services/warehouse_allocation_service.py
+++ b/apps/warehouse/services/warehouse_allocation_service.py
@@ -55,13 +55,7 @@ class WarehouseAllocationService:
                     status.HTTP_400_BAD_REQUEST
                 )
 
-            org = entry.organization.parent_organization
-            parent_orgs = []
-            while org:
-                # import parent org to list
-                parent_orgs.append(org)
-                org = org.parent_organization
-
+            parent_orgs = [entry.quota.registerer_organization]
             parent_org_ids = [org.id for org in parent_orgs]
 
             target_org_ids = set(parent_org_ids)