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, click to place a check in the box for the item(s) you want to delete.
Confirm the deletion.
Click 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.