Hello,

If there are additional pages that are imported on your Site, then you can check out the Dashboard > Pages > to remove those pages.

If the pages are not imported and you are seeing links in your Menus only then you can navigate to Dashboard > Appearance > Menus > there edit the respective Menu > and remove that Menu Item from there.

If we still misunderstood then kindly please elaborate your concern more with some useful Screenshots and your Site WP-ADMIN Login details so that we can better understand and assist you accordingly.

Best Regards.