diff --git a/test/ex_doc_test.exs b/test/ex_doc_test.exs
index b49c8569d..85d2da50b 100644
--- a/test/ex_doc_test.exs
+++ b/test/ex_doc_test.exs
@@ -1,5 +1,5 @@
 defmodule ExDocTest do
-  use ExUnit.Case, async: true
+  use ExUnit.Case
 
   @moduletag :tmp_dir