AdhocProjection works for Insert but not for Delete

I have a custom process on UNSAccountBinUNSGroupB that calls and runs Sync project workflow.

It works for Insert event.

I have another workflow for deletion with the same mapping just processing is set to just delete in target system.

I run the Process, synchronization is called but in the logs I do not see any action (no delete action).  It always tries Insert action!

How to set adhoc projection step to be able to delete object ?