diff --git a/config/config.exs b/config/config.exs
deleted file mode 100644
index 95a3373..0000000
--- a/config/config.exs
+++ /dev/null
@@ -1,3 +0,0 @@
-import Config
-
-config :phoenix, :json_library, Jason
diff --git a/mix.exs b/mix.exs
index 5f0a754..1854001 100644
--- a/mix.exs
+++ b/mix.exs
@@ -32,7 +32,6 @@ defmodule SurfaceMarkdown.MixProject do
     [
       {:surface, "~> 0.8"},
       {:earmark, "~> 1.4.7 or ~> 1.4"},
-      {:jason, "~> 1.0"},
       {:floki, "~> 0.35", only: :test},
       {:ex_doc, ">= 0.31.1", only: :docs}
     ]