function Remove-EnvironmentVariable {
<#
.SYNOPSIS
    Removes an environment variable. Must supply the store name, defaults to machine level.

.PARAMETER Name
    Removes the environment variable with the specified name.

.PARAMETER StoreName
    The appropriate store to put the variable in. Defaults to machine.
#>
    [CmdletBinding()]
    param(
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [Alias("Key")]
        [string]$Name,
        [Parameter(Mandatory = $true)]
        [Alias("Store")]
        [Alias("Location")]
        [ValidateSet("Process","User","Machine")]
        [string]$StoreName
    )

    $logLead = (Get-LogLeadName)

    # Setting the value to $null deletes it from the store
    $Value = $null

    Write-Host "$logLead : Remove environment variable [$Name] in [$StoreName] store"

    [System.Environment]::SetEnvironmentVariable($Name, $Value, [System.EnvironmentVariableTarget]::$StoreName)

    if ($StoreName -ne "Process") {
        Write-Warning "$logLead : Environment variable with name [$Name] removed form [$StoreName] but not from the [Process] store.`r`nThis value may still be visible to the executing process."
    }
}