2 files changed, 7 insertions, 9 deletions
diff --git a/railties/lib/rails/test_help.rb b/railties/lib/rails/test_help.rb
index 350d0b3961..f9aa018cab 100644
--- a/railties/lib/rails/test_help.rb
+++ b/railties/lib/rails/test_help.rb
@@ -5,6 +5,12 @@ exit("Abort testing: Your Rails environment is not running in test mode!") unles
 require 'test/unit'
 require 'active_support/core_ext/kernel/requires'
 
+# TODO: Figure out how to get the Rails::BacktraceFilter into minitest/unit
+if defined?(Test::Unit::Util::BacktraceFilter) && ENV['BACKTRACE'].nil?
+  require 'rails/backtrace_cleaner'
+  Test::Unit::Util::BacktraceFilter.module_eval { include Rails::BacktraceFilterForTestUnit }
+end
+
 if defined?(ActiveRecord)
   class ActiveSupport::TestCase
     include ActiveRecord::TestFixtures
diff --git a/railties/lib/rails/test_unit/railtie.rb b/railties/lib/rails/test_unit/railtie.rb
index b0a4b460af..d99325a6d8 100644
--- a/railties/lib/rails/test_unit/railtie.rb
+++ b/railties/lib/rails/test_unit/railtie.rb
@@ -13,13 +13,5 @@ module Rails
     rake_tasks do
       load "rails/test_unit/testing.rake"
     end
-
-    initializer "test_unit.backtrace_cleaner" do
-      # TODO: Figure out how to get the Rails::BacktraceFilter into minitest/unit
-      if defined?(Test::Unit::Util::BacktraceFilter) && ENV['BACKTRACE'].nil?
-        require 'rails/backtrace_cleaner'
-        Test::Unit::Util::BacktraceFilter.module_eval { include Rails::BacktraceFilterForTestUnit }
-      end
-    end
   end
-end
-\ No newline at end of file
+end