Seeded Roles Not Being Removed After Termination

Summary

Looking for why Basic Recruiter and Power Recruiter Roles are not removed at termination

Content

After our workers are termed their accounts are inactivated and all custom roles are removed overnight, except for the seeded roles we use for Taleo access which are Basic Recruiter and Power Recruiter. Is this because they are not custom roles or is there a configuration to make sure they are removed as well? Asking for our audit team who is questioning the de-provisioning of these roles.