How do I delete an assignment?
Go to Assignments.
Select the Assignments tool from the Tool Menu of your site.
Select the assignment(s) you want to delete.
In the "Remove?" column, check the box for the item(s) you want to delete.
Select Remove Selected.
Select the Remove Selected button at the bottom of the assignment listing.
Confirm the deletion.
Select the Delete button to confirm the removal of the assignment(s) you have selected.
Note: Removing as assignment with student submissions will also delete the submissions for that assignment.