You can permanently delete files and folders.
Note Deleting a file will delete all versions of the file. If you want to delete a specific version, see Delete a Version.
Click Files in the side panel. (If Files is not shown, see Customize the Side Panel for details on how to add it.)
1. Open the file or folder you want to delete.
or
In the Files list, select the checkbox beside the files and/or folders you want to delete. You can select multiple items.
2. Click Delete in the toolbar.
3. Click Delete to confirm.