How to Delete a Category Through the WordPress Dashboard
In this article, we will talk about how to delete a category from your WordPress site using the Dashboard
Required User Role/Access: Editor+
Step 1) Login to the WordPress Dashboard
Step 2) Click the Posts link from the left panel.
Step 3) Click the Categories link from the left panel.
Step 4) Hover over the category you wish to delete and click the Delete link
Step 5) Your browser will present you with a popup confirming that you wish to delete the category, click OK.