To delete a target from the target library, mouse over theÌýPlansÌýtab at the top of the page and selectÌýTarget libraryÌýfrom the drop down menu.
To deleteÌýa single target, click on the 3 dots next to a target and selectÌýDelete library targetÌý(bin icon).
You can delete several targets at a time by tickingÌýthe checkboxes next to each target and clicking on theÌýDelete selected targetsÌýbutton above the list.