Unjoining from Tenant Broker
To unjoin a Tenant from the Tenant Broker, do the following:
Log in to the Tenant Farm.
In the RAS Console, navigate to Farm > Site.
Click Tasks > Unjoin from Tenant Broker.
The Tenant will be unjoined from the Tenant Broker. As a result, the Tenant users will no longer be able to connect to the Tenant Farm through the Tenant Broker.