Delete photos and videos on iCloud.com
If you are the creator of a shared album, you can delete any photos, videos, or comments in the album. If you are a subscriber, you can delete anything that you personally added. Anything that gets deleted is automatically deleted from the devices of all subscribers.
Note: When your account is limited to iCloud web-only features, you cannot recover deleted photos. See Get more iCloud features.
Go to icloud.com/photos, then sign in to your Apple Account (if necessary).
Tap Select, then tap the photos or videos you want to delete.
Tap
, then tap Delete.