diff --git a/mix.exs b/mix.exs
index 91233034f..b64fe23c0 100644
--- a/mix.exs
+++ b/mix.exs
@@ -67,8 +67,7 @@ defmodule Livebook.MixProject do
       {:aws_signature, "~> 0.2.0"},
       {:phoenix_live_reload, "~> 1.2", only: :dev},
       {:floki, ">= 0.27.0", only: :test},
-      {:bypass, "~> 2.1", only: :test},
-      {:app_builder, path: "app_builder", targets: [:app], only: :dev}
+      {:bypass, "~> 2.1", only: :test}
     ]
   end