diff --git a/actionpack/test/template/erb/tag_helper_test.rb b/actionpack/test/template/erb/tag_helper_test.rb
index 1724d6432db33b5840e2d36ae08944f3fd45aaa2..84e328d8be14f93f58893e8dfd46e6a285b69e2f 100644
--- a/actionpack/test/template/erb/tag_helper_test.rb
+++ b/actionpack/test/template/erb/tag_helper_test.rb
@@ -3,9 +3,6 @@
 
 module ERBTest
   class TagHelperTest < BlockTestCase
-
-    extend ActiveSupport::Testing::Declarative
-
     test "percent equals works for content_tag and does not require parenthesis on method call" do
       assert_equal "<div>Hello world</div>", render_content("content_tag :div", "Hello world")
     end