If it’s just a few images, you can just use head to the “Images” section of Cloudinary’s admin console and delete these from there.
If you want to delete images in bulk, you can use our Admin API. Read more about it here. If you need help in deleting a large number of images, feel free to ping us and we’ll do our best to help.
UPDATE: A new UI bulk delete is now available! In addition to bulk deletes via the API, you can execute a bulk deletion jobs by going to your Account's Settings page and click the Bulk delete button from the Support activities section -