To delete all of the project cost codes, highlight the top-level folder (the folder labeled with the project name) and all of its contents.
To delete a division and all of the cost codes contained in it, expand the folder structure, and then highlight the desired Division folder.
To delete one or more cost codes, expand the folder structure to show your cost codes. Then highlight the cost code to delete. You can hold down the SHIFT key to highlight multiple codes.
Click Delete.
At the 'Are you sure you want to delete these codes' dialog box, click OK to confirm the delete action.