Deleting blog categories is easy and can be done with just a few clicks!
Deleted categories CANNOT be recovered.
From your home feed, click on your site name and select Admin from the dropdown menu.
Go to the Blog tab in the sidebar menu and then select Categories.
Click on "..." next to the category you want to delete and select "Delete category".
Confirm this is the category you'd like to delete and hit the Delete button.
And that's it! Your blog category will be deleted.