Deleting unused files in Drupal 9

As of Drupal 8.4, files that have no remaining usages are no longer deleted by default.

You can change this in a configuration-file-only setting.

files are still there for each revision, so to remove from being listed:

And finally (as Clay noted)

And Unmanaged / Unused Files | Manage | Delete |

And Fancy File Delete |

Some of the solutions should be posted here:

Delete orphan files |