Are there other ways for users to self un-enroll from Discover courses?

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I am testing out Discover on our test environment. It seems I can self-enroll my user as expected. And as long as the course is a featured course, I can self un-enroll. But when I remove the course from the featured courses list, the course no longer appears in discover - presumably because I am enrolled in it already. Is that right? With it gone from Discover, I am having trouble then self un-enrolling since those three dots only display in Discover. I'm likely missing something. Any ideas from those more familiar with Discover?