In your map click on the three vertical dots next to the plan you want to archive. On the menu that appears select Archive.
Click on Yes, archive plan.
Archived plans will be removed from the plans list but are available if you wish to retrieve them.
To do this click on Archived in the left hand panel above the New plan button.
A menu showing a list of archived plans will be shown. Click on restore or delete next to the plan that you wish to restore or delete.
