SharePoint 2010 remove customization (Reghost) a master page or page layout file

Use the below script and change file name to the desired object

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$s = Get-SPSite "http://<server name>/"

$w = $s.RootWeb

$ps = New-Object Microsoft.SharePoint.Publishing.PublishingSite($s)

$pls = $ps.PageLayouts

    

      

    $f = $w.GetFile("/_catalogs/masterpage/<Page Layout Name>.aspx")

Write-Host $f.CustomizedPageStatus

    if ($f.CustomizedPageStatus -eq "Customized")

    {

        Write-Host

        Write-Host "Layout page name: " -NoNewline

        Write-Host $f.Name        

        Write-Host "Status before: " -NoNewline

        Write-Host $f.CustomizedPageStatus

         

        #$f.RevertContentStream()

      

        Write-Host "Status after: " -NoNewline

        Write-Host $f.CustomizedPageStatus

    }

    

$w.Dispose()

$s.Dispose()