Remove old PowerShell modules versions using PowerShell

Did you know, that if you update PowerShell modules, the old versions can sometimes get left behind?

This little snippet with remove any old PowerShell modules (that are not the latest version), which are installed.

#requires -Version 2.0 -Modules PowerShellGet
function Remove-OldModules
{
  <#
<#
    authors: [Luke] Murray (Luke.Geek.NZ)
    Version: 0.1
    Purpose: Basic function to remove old PowerShell modules which are installed
#>

  #>
  $Latest = Get-InstalledModule 
  foreach ($module in $Latest) { 
    
    Write-Verbose -Message "Uninstalling old versions of $($module.Name) [latest is $( $module.Version)]" -Verbose
    Get-InstalledModule -Name $module.Name -AllVersions | Where-Object {$_.Version -ne $module.Version} | Uninstall-Module -Verbose 
  }
}

Remove-OldModules