 
   """
 
-  require IEx.Options.Helper
-  import IEx.Options.Helper
-
-  @supported_options [
-    colors: [],
-    inspect: [],
-    history_size: [],
-  ]
+  @supported_options %w(colors inspect history_size)a
 
   @doc """
   Returns all supported IEx options with their respective values as a keyword

  Returns all supported options as a list of names.
  """
  def list() do
    Enum.map @supported_options, fn {k, _} -> k end
  end

  @doc """

defmodule IEx.Options do
  @moduledoc """
  Provides an interface for adjusting options of the running IEx session.
