Under the old navigation, a custom page was deleted by clicking the pencil icon in the main menu, then clicking the gear icon next to the page and choosing to delete. I cannot find any similar capability under Personalized Navigation. When I expand the page list under a project using the elipsis, I can add new pages with the "+" icon, but I can't figure out how to delete a page. My workaround was to turn off the new feature, go back and delete, and then turn it on again, but that wouldn't be my first choice #personalizednavigation