Permanently remove deleted files on iCloud.com
On iCloud.com, you can immediately and permanently remove files you have deleted from iCloud Drive, iWork apps or other apps within the last 30 days, whether you deleted them on iCloud.com or on another device that has iCloud Drive turned on.
Remove files deleted from iCloud Drive or iWork apps
In iCloud Drive on iCloud.com, tap Recently Deleted in the sidebar.
If you do not see the sidebar, tap in the top left-hand corner.
Do one of the following:
Delete some items: Tap , choose Select, select the items you want to delete, then tap Delete at the bottom of the screen.
Delete all items: tap Delete All at the bottom of the screen.
To go back to your other files, tap another option in the sidebar, such as Recents or Browse.
Remove files deleted from other apps
On iCloud.com, tap in the toolbar, then tap Data Recovery.
Tap Restore Files.
Select each file you want to permanently remove or choose Select All.
Tap Delete.