If you no longer need a page template, you can easily delete it by following these steps:
- Navigate to content dashboard and click Templates.
- In Templates modal box, check Edit existing template option.
- Select a template from the list of available templates.
- Click Continue.
- When a template page is opened, click Delete Template button.
Your template is now deleted. If a template was assigned to some pages - the content on those pages will be untouched and the elements will be unlocked.