Board Thread:Support Requests - Getting Technical/@comment-25286508-20150104234228/@comment-5558012-20150105004637

Hover over the category and it's to the right next to a pencil.

Edit: Two visual editors make explaining difficult. It appears you are using the new one (the previous instructions were for the old) so edit, click the three horizontal bar button next to "Cancel", click "Categories", click "Templates", then the trashcan icon. Apply the changes and publish the page.