How do I delete Excel files column on Powershell?

I want to delete many Excel files in folder at once. So I write below code, but when it runs, terminal logged out Delete Method of Range class failed error popping up. and more confusing thing, in some worksheet's delete process runs successfully. I think, it causes from can not do release sheet object of powershell well.

can anybody help me? regards.

# Launch Excel
$excel = New-Object -ComObject Excel.Application -Property @{Visible = $false} 
$baseDir = Convert-Path $(Split-Path $MyInvocation.InvocationName -Parent)
$files = Get-ChildItem -Recurse | ? { $_.Extension -eq ".xlsx" }  

# "${baseDir}\{$_.name}"
# Open Book
$files| 
%{
    Write-Host $_.Name
    $excel.Workbooks.Open("${baseDir}\" + $_.name) | %{
        $_.Worksheets | %{
            # Delete Column
            # $_.Activate
            Write-Host $_.Name

            #$_.Columns.Item("J").Delete()
            #$_.Columns("J:J").EntireColumn.Delete()
            #$_.Columns.item(3).Insert()
            #$_.Range("J:J").Delete()
            $_.Columns("J").Delete()
        }
        $_.Save()
    }
}

# Excel 
$excel.Quit()
\[System.Runtime.InteropServices.Marshal]::FinalReleaseComObject($excel) | Out-Null