Delete an Assignment
Visit the Assignments tool
Select the Assignments tool from the Tools Menu in 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.
Click Remove Selected
Click the Remove Selected button at the bottom of the assignment listing.
Confirm the deletion
Click the Delete button to confirm the removal of the assignment(s) you have selected.
Note: Removing an assignment with student submissions will also delete the submissions for that assignment.