Delete a Service

$serviceName = "SpeechService"
if (Get-Service $serviceName -ErrorAction SilentlyContinue) {
    #$serviceToRemove = Get-WmiObject -Class Win32_Service -Filter "name='$serviceName'"
    #$serviceToRemove.delete()
    sc.exe delete $serviceName
}
# or you could just do...

$secpasswd = ConvertTo-SecureString "EnterYourActualPasswordHere...andThenRemoveallEvidence" -AsPlainText -Force
$mycreds = New-Object System.Management.Automation.PSCredential ("x@y.com", $secpasswd)
$exePath = "c:\scratch\DummyService.exe"
#New-Service -name $serviceName -binaryPathName $binaryPath -displayName $serviceName -startupType Automatic -credential $mycreds
#New-Service -name $serviceName -binaryPathName "C:\WINDOWS\System32\svchost.exe -k netsvcs" -displayName $serviceName -startupType Automatic -credential $mycreds
#new-service -name TestService -binaryPathName "C:\WINDOWS\System32\svchost.exe -k netsvcs" -dependson NetLogon -displayName "Test Service" -StartupType Manual -Description "This is a test service."
new-service -name $serviceName -binaryPathName "C:\SayALine.exe" -displayName "Speech Service" -StartupType Manual -Description "This is a speech service."