diff --git a/app/models/manageiq/providers/openstack/inventory/collector/target_collection.rb b/app/models/manageiq/providers/openstack/inventory/collector/target_collection.rb
index d2481722b..778741aa4 100644
--- a/app/models/manageiq/providers/openstack/inventory/collector/target_collection.rb
+++ b/app/models/manageiq/providers/openstack/inventory/collector/target_collection.rb
@@ -384,7 +384,7 @@ def infer_related_cloud_tenant_ems_refs_api!
 
   def infer_related_vm_ems_refs_db!
     changed_vms = manager.vms.where(:ems_ref => references(:vms)).includes(:key_pairs, :network_ports, :floating_ips,
-                                                                           :orchestration_stack, :cloud_networks, :cloud_tenant, :parent)
+                                                                           :orchestration_stack, :cloud_networks, :cloud_tenant)
     changed_vms.each do |vm|
       stack      = vm.orchestration_stack
       all_stacks = ([stack] + (stack.try(:ancestors) || [])).compact