Deleting is irreversible, and we cannot restore permanently deleted items. Confirmation is always required before any deletion, so be sure you're not accidentally deleting the wrong item.
Delete a job type
Select Lone Worker in the sidebar or select it in More.
Select Settings at the top of the page.
Click Job types.
Click on the right-hand side of the job type and select Delete type.

In the pop-up window, click Delete.