Tap the hamburger menu icon at the top left corner on the home screen. A menu will slide into view and the categories will be listed. Tap on the far right of the category, on the ellipsis icon, and a pop up box of that category will appear. There is a trash icon above the popup box to the right. Tap the trash icon to delete the category. A pop up will appear to ensure that you wish to delete the desired category. Press ‘Delete’ to do so.
How do I delete a category?