Are there any ways I can remove many BigFix external sites at one time?

As a topic, many external sites make my environment seem too big. especially in the compliance module. because we have copied all to the custom site. So, is there any way I can remove many sites at the same time?

As MO, you see all of the Sites on the Console.
Solution: Create Non-MO with restricted sies

On Compliance module, if you are working with custom sites
Solution: unsubscribe all machines from external compliance checklist sites. In reality the custom are important