Please correct the errors below.

Removing slices from a private course

To remove a slice, simply navigate to a course’s slice page. You’ll see a ‘Remove’ button to the right of each slice.

Screenshot

Will removing a slice from a course delete the slice?

Heavens no. Removing a slice from a course will not delete the actual slice. The slice will still live in your slice manager, and you can always re-add it to the course.