vCloud Director 5.1 edgeGw and OrgVdcNetwork deletion

I have testing environment with vCloud Director 5.1 and accidently i have deleted edgeGw from vShield Manager interface.

Now, from vSphere and vSheld Manager perspective, I cannot see the edgeVm (it doest exist), but in vCloud Director it exist (in its database). when Im deleting edge ar Organization network, connected to it two type of message appear:

when deleting network:

     Cannot delete organization VDC network pepperNetwork (debb3809-97b1-43bf-a98a-09f6e00a08cb)
     Failed to delete interface of edge gateway urn:uuid:3bf600bd-2032-4364-9b20-59c83c0c2dc6

when deleting edgeGw:

     Edge gateway pepperEdgeGw has Org VDC network(s) attached to it. Please delete the network(s) before attempting to delete the edge gateway.

Question:

     How can I delete edgeGw, OrgVdcNetwork and all organization now?