diff --git a/awx/main/tasks.py b/awx/main/tasks.py
index aca866ccd0..cc38360a5d 100644
--- a/awx/main/tasks.py
+++ b/awx/main/tasks.py
@@ -548,6 +548,8 @@ def delete_inventory(self, inventory_id, user_id):
     with ignore_inventory_computed_fields(), ignore_inventory_group_removal(), impersonate(user):
         try:
             i = Inventory.objects.get(id=inventory_id)
+            for host in i.hosts.iterator():
+                host.job_events_as_primary_host.update(host=None)
             i.delete()
             emit_channel_notification(
                 'inventories-status_changed',