diff --git a/railties/lib/rails/test_help.rb b/railties/lib/rails/test_help.rb
index 4455d92d69f758caceedbdab20990d8e9d77f9ff..11e4353c87b999c7541e6ab32e0cdc254b977995 100644
--- a/railties/lib/rails/test_help.rb
+++ b/railties/lib/rails/test_help.rb
@@ -10,10 +10,7 @@
 # Enable turn if it is available
 begin
   require 'turn'
-
-  if MiniTest::Unit.respond_to?(:use_natural_language_case_names=)
-    MiniTest::Unit.use_natural_language_case_names = true
-  end
+  MiniTest::Unit.use_natural_language_case_names = true
 rescue LoadError
 end