CmdID / PowerShell / Cmdlets / Remove
Remove-WebConfigurationBackup
Removes an existing IIS configuration backup. Windows Server PowerShell reference
From the Windows Server PowerShell reference 3 parameters Its page in the reference
Parameters
-Confirm, -cfPrompts you for confirmation before running the cmdlet.-NameSpecifies the name of the configuration backup that this cmdlet removes.-WhatIf, -wiShows what would happen if the cmdlet runs.