What should I do to make it possible to see and erase the entire image in site.yml

[coolcoolhomebody]

I made it possible to add an image to site.yml.
However, even if the image is removed, image data remains.
What should I do to make it possible to see and erase the entire image?

blueprint > site.yml

  - width: 1/3
    sections:
      cprogramseo:
        type: fields
        fields:
          mainimages:
            label: HYPER SCROLL svg
            type: files
            layout: cards
            template: image
            info: "{{ file.dimensions }}"
            max: 1
            size: large
            width: 1/1
            image:
              ratio: 20/1
              cover: true

I hope I can see the entire image I posted as below, but it doesn’t apply on the site.

[moonwalk]

You are using a files field. Using a files field, you can select, unselect and optionally upload files. You cannot delete files using a files field. You can delete files from a files section or from the single file view.