Files downloading but not being removed from the server

param (
    $localPath = "c:\frlsageexport",
    $remotePath = "/"
)
 
try
{
    # Load WinSCP .NET assembly
    Add-Type -Path "C:\Program Files (x86)\WinSCP\WinSCPnet.dll"
 
    # Setup session options
    $sessionOptions = New-Object WinSCP.SessionOptions -Property @{
        Protocol = [WinSCP.Protocol]::Sftp
        HostName = "sftp@sftp.com"
        UserName = "xyz"
        Password = "xyz"
        SshHostKeyFingerprint = "xyzxyzxyz"
    }
 
    $sessionOptions.AddRawSettings("FSProtocol", "2")
 
    $session = New-Object WinSCP.Session
 
    try
    {
        # Connect
        $session.Open($sessionOptions)
 
        # Get list of files in the directory
        $directoryInfo = $session.ListDirectory($remotePath)
 
        # Select the most recent file
        $latest =
            $directoryInfo.Files |
            Where-Object { -Not $_.IsDirectory } |
            Sort-Object LastWriteTime -Descending |
            Select-Object -First 1
 
        # Any file at all?
        if ($latest -eq $Null)
        {
            Write-Host "No file found"
            exit 1
        }
 
        # Download the selected file
        $session.GetFileToDirectory($latest.FullName, $localPath) | Out-Null
 
        $Directory = $session.ListDirectory("/")
        foreach ($FileInfo in $Directory.Files)
        {
            $RemovalFile = ($FileInfo.Name)
            $session.RemoveFiles($RemovalFile)
        }
    }
    finally
    {
        # Disconnect, clean up
        $session.Dispose()
    }
 
    exit 0
}
catch
{
    Write-Host "Error: $($_.Exception.Message)"
    exit 1
}

$options = New-Object WinSCP.TransferOptions -Property @{ FileMask = "| */" }
$delete = $True
 
$session.GetFilesToDirectory(
    $remotePath, $localPath, $Null, $delete, $options).Check()