[keycloak-user] Disabling User Account Service

Is there a way to disable access to the self service user management page (covered here: http://www.keycloak.org/docs/3.3/server_admin/topics/account.html)? We have a use case where supposedly we don't want our users to be able to modify their own username, and password resets can be handled via the Forgot Password link on the login page. Or is there at least a way to disable username editing? I'd think if there were it would be pretty obvious in the admin UI but I figured I'd ask.. Thanks!