Hello,
Thank you for contacting Rank Math and bringing your concern to our attention.
That post type could be added by one of your plugins or themes. You might also receive the notice about new post type:
https://rankmath.com/kb/new-post-type-detected/
You can follow our guide above to optimize those if you need them.
Hope that helps.
Thank you.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.