How to delete actors references from datasmith actor?

Hello answerhub!

Can someone tell me? how can i delete references from Datasmith actors?
Cause after cleaning up the scene it still have references to “none” actors and it have an heavy impact on memory and loading time :frowning:

i try to open a datasmith asset in notepad++ and delete all references for nonexistent asset, but links still on place :frowning:
Help me please :frowning: