diff --git a/lib/ueberauth/strategy/twitter.ex b/lib/ueberauth/strategy/twitter.ex
index 8909bb7..0da6d49 100644
--- a/lib/ueberauth/strategy/twitter.ex
+++ b/lib/ueberauth/strategy/twitter.ex
@@ -124,8 +124,4 @@ defmodule Ueberauth.Strategy.Twitter do
     |> options
     |> Keyword.get(key, default)
   end
-
-  defp json_library do
-    Ueberauth.Config.json_library()
-  end
 end