Delete BEOST files from a data domain

Hi,

How can we delete BEOST_00001873:0000000000:{B54FE09E-4F3B-4DF1-B36B-7CECD175AE48}:4:1:: files from a open storage (data domain) device? When we delete the backup job from backup exec, the files will not remove from the storage.

Thanks for help.