You can remove an EIM domain that you no longer want to manage from the Domain Management folder. However, removing the domain from the Domain Management folder is not the same as deleting the domain and it does not delete the domain data from the domain controller. See delete a domain if you want to actually delete the domain and all domain data.
You do not need any EIM access control to remove a domain.
To remove an Enterprise Identity Mapping (EIM) domain that you no longer want to manage from the Domain Management folder, complete these steps: