You may reorder and delete assignments from your assignment list by clicking the Edit Assignment List button within the Assignment List section of your Course Overview page.
From the Edit Assignment List page, you can select Move Up, Move Down, or Remove Assignment. You can only remove assignments before students have begun making attempts on the assignment.
If you have removed an assignment and you would like to put it into your assignment list again, click on the Add New Assignment button and select the assignment you would like to add. It will appear at the bottom of your assignment list. You may want to reset your assignment options and assignment open/due dates.