How to Delete a WordPress Theme
You should remove unused themes. It is considered good practice to protect your WordPress website from vulnerabilities by not keeping old, unused themes.
- Log in to the WordPress dashboard.
- From the Dashboard menu, go to Appearance and click on Themes.
- Hover your mouse on a theme you want to remove. Click on Theme Details.
- Click on Delete and Confirm with OK. You can find the Delete option at the bottom right area of the window.
You have successfully removed the theme.