Delete a theme
To delete a theme, navigate to the Themes (1) tab under the Appearance section of the Storefront configuration application
You cannot delete the active theme. If you wish to delete it, you must first make a different theme active.
Once you have selected the theme you wish to delete, hover over the template image, and you will see a red trashcan icon (1) appear. Â Click it to proceed.
You will then be shown a confirmation dialog. Please read it carefully.  Follow the instructions provided to complete the deletion.
The system will show the status of the deletion before returning to the Themes screen.