How to stop event creation with out end dating event type and contract

Summary: There has been a merger from 1 BU to another BU. End dated the legal entity, Company segment and chart account values.

But still the event is getting created and generate revenue program is generating line and manage revenue distribution is having that line visible.

But accounting is in error. In this case, we need to sweep the transactions to next every time as the ledger is having multiple BU's assigned.

So we need no event to be created with out end dating contracts/lines, event types.

We end dated the contract type and still the contract is visible for event entry. Is that the standard functionality?