diff --git a/rustler_mix/lib/rustler.ex b/rustler_mix/lib/rustler.ex
index 73fd6cdf..487d8b4d 100644
--- a/rustler_mix/lib/rustler.ex
+++ b/rustler_mix/lib/rustler.ex
@@ -104,13 +104,6 @@ defmodule Rustler do
       end
 
       if config.lib do
-        {otp_app, path} = config.load_from
-
-        @external_resource Application.app_dir(
-                             otp_app,
-                             "#{path}.#{Rustler.Compiler.get_lib_suffix()}"
-                           )
-
         @load_from config.load_from
         @load_data config.load_data
         @load_data_fun config.load_data_fun
diff --git a/rustler_mix/lib/rustler/compiler.ex b/rustler_mix/lib/rustler/compiler.ex
index 5a48b729..56982544 100644
--- a/rustler_mix/lib/rustler/compiler.ex
+++ b/rustler_mix/lib/rustler/compiler.ex
@@ -136,8 +136,6 @@ defmodule Rustler.Compiler do
     end
   end
 
-  def get_lib_suffix(), do: get_suffix(nil, :lib)
-
   defp get_suffix(target, :lib) do
     case get_target_os_type(target) do
       {:win32, _} -> "dll"