Although uncommon, at times you may want to remove a WordPress theme, such as if you were editing a theme manually and have cause to revert back to the unedited theme. It is possible to delete the modified theme and then reinstall the theme as you originally did.
Deleting a WordPress Theme
Using the following steps, you can delete a WordPress theme:
Step 1: Begin by logging to the WordPress Dashboard.
Step 2: Navigate to ‘Appearance’ and then ‘Themes’.
Step 3: If the theme you want to remove is already in use, simply activate a different theme.
Step 4: When the theme you wish to delete is no longer activated, look for it and click on ‘Delete’.
You may receive a pop-up message with a request that you verify the removal of the them. If you receive this, click on ‘OK’.
You should then be presented with a confirmation which says your theme was deleted.
This should be all you need to know in order to delete a WordPress theme!