Hi Sue,
The users are longer enrolled and will not be able to view the course content but Record of Learning is actually any completions that they have done, therefore, the course will still show. The only way that we usually to remove them from the Record of Learning would be removing their course completions manually through the Course Completion Editor. But this will mean the course completions will be removed completely in the system so it will not show in any reports or anything.
Hope this makes sense!
Jennifer