Custom Manage Subscriptions Setup But /?mailpoet_page=subscriptions Still Opens

We’ve already setup a custom manage subscription pages and other pages for MailPoet.

But this URL: /?mailpoet_page=subscriptions is indexed by Google and it redirects to a page which only has [mailpoet_page] written in it.

We’d rather not have this page exist at all. We can’t find a way to remove this page. Is this something already handled?

The page I need help with: [log in to see the link]