diff --git a/activesupport/test/deprecation_test.rb b/activesupport/test/deprecation_test.rb
index cad0810241..d77a62f108 100644
--- a/activesupport/test/deprecation_test.rb
+++ b/activesupport/test/deprecation_test.rb
@@ -62,7 +62,7 @@ class DeprecationTest < ActiveSupport::TestCase
   end
 
   def test_deprecate_class_method
-    assert_deprecated(/none is deprecated.*test_deprecate_class_method/) do
+    assert_deprecated(/none is deprecated/) do
       assert_equal 1, @dtc.none
     end