CmdID / PowerShell / Cmdlets / Remove
Remove-ActiveSyncDeviceClass
Use the Remove-ActiveSyncDeviceClass cmdlet to clean up the list of mobile devices synchronizing with Microsoft Exchange. Exchange PowerShell reference
From the Exchange PowerShell reference 4 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the group of devices on which to scope the task.-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.