As a Rapid Board user, I would like to hide a column from the board while keeping it for reports

In order for rapid board reports to be meaningful, you need to include a column representing the "end" state ("resolved" for example). However, this column is filling up very quickly, which makes the Rapid Board Work view difficult to use when you have more than one swimlane.
Therefore, it should be possible to hide the last column, while maintaining it for reports.