Deleting custom date ranges To delete set of custom date ranges, follow these steps: In the Manage Custom Dateranges interface, click the Trashcan icon next to the set of date ranges to delete. In this example, My Date Range Set - Gross Control will be deleted. In the Delete Confirmation modal window, type DELETE, and then click the DELETE button. In the Manage Custom Dateranges interface, notice that the list no longer has the deleted set.