[xwiki-users] How to delete Deleted Attachments while FS is on?

Hi! XEM 3.1. I turned on filesystem storage, attached file, then deleted it. Due to http://jira.xwiki.org/browse/XWIKI-6918 and no acces via WebDAV yet (http://jira.xwiki.org/browse/XWIKI-6989) - there is no way to review deleted attachments in recycle bin and delete it. As far as I understand - manual delition via filesystem operations is wrong way to do this because of lost metadata. Is there any way to delete deleted attachments correctly until XWIKI-6918 would be fixed and XE would upgraded to fixed one? Kind regards Dmitry Bakbardin