CmdID / PowerShell / Cmdlets / Remove
Remove-WBFileSpec
Removes a backup file specification from a backup policy. Windows Server PowerShell reference
From the Windows Server PowerShell reference 4 parameters Its page in the reference
Parameters
-Confirm, -cfPrompts you for confirmation before running the cmdlet.-FileSpecSpecifies a backup file specification object to remove from the WBPolicy object.-PolicySpecifies a backup policy object that contains the backup policy that this cmdlet updates.-WhatIf, -wiShows what would happen if the cmdlet runs.