You can delete assignments that are no longer being used in the course. Deleting the assignment will not delete the underlying activities for those assignments in Atomic Assessments. To see the activity, go to the Item Bank tab to find it again. See below to also learn how to archive an activity.
Deleting an assignment on the main Atomic Assessments page
Navigate to the Atomic Assessments menu.
On the assignment you want to delete, click on the three dots next to the pencil.
Click on Delete in the drop down menu.
Archiving an activity will remove it from your course.
Select Item Bank
Select the Activities tab.
Select the trashcan icon on the far left to archive an Activity.