diff --git a/lib/ex_unit/lib/ex_unit/formatter.ex b/lib/ex_unit/lib/ex_unit/formatter.ex
index f3661fe78b7..2d87c2e4a65 100644
--- a/lib/ex_unit/lib/ex_unit/formatter.ex
+++ b/lib/ex_unit/lib/ex_unit/formatter.ex
@@ -124,8 +124,6 @@ defmodule ExUnit.Formatter do
 
     * `:error_info` - Should format error information.
 
-    * `:error_info` - Should format error information.
-
     * `:test_module_info` - Should format test module information. The message returned
     when this key is passed precedes messages such as `"failure on setup_all callback [...]"`.