2 files changed, 6 insertions, 41 deletions
diff --git a/railties/lib/rails/test_help.rb b/railties/lib/rails/test_help.rb
index 156c35b7a4..4455d92d69 100644
--- a/railties/lib/rails/test_help.rb
+++ b/railties/lib/rails/test_help.rb
@@ -7,21 +7,14 @@ require 'active_support/test_case'
 require 'action_controller/test_case'
 require 'action_dispatch/testing/integration'
 
-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?(MiniTest)
-  # Enable turn if it is available
-  begin
-    require 'turn'
+# 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
-  rescue LoadError
+  if MiniTest::Unit.respond_to?(:use_natural_language_case_names=)
+    MiniTest::Unit.use_natural_language_case_names = true
   end
+rescue LoadError
 end
 
 if defined?(ActiveRecord::Base)
diff --git a/railties/test/backtrace_cleaner_test.rb b/railties/test/backtrace_cleaner_test.rb
index 80077378db..cbe7d35f6d 100644
--- a/railties/test/backtrace_cleaner_test.rb
+++ b/railties/test/backtrace_cleaner_test.rb
@@ -1,34 +1,6 @@
 require 'abstract_unit'
 require 'rails/backtrace_cleaner'
 
-if defined? Test::Unit::Util::BacktraceFilter
-  class TestWithBacktrace
-    include Test::Unit::Util::BacktraceFilter
-    include Rails::BacktraceFilterForTestUnit
-  end
-
-  class BacktraceCleanerFilterTest < ActiveSupport::TestCase
-    def setup
-      @test = TestWithBacktrace.new
-      @backtrace = [ './test/rails/benchmark_test.rb', './test/rails/dependencies.rb', '/opt/local/lib/ruby/kernel.rb' ]
-    end
-
-    test "test with backtrace should use the rails backtrace cleaner to clean" do
-      Rails.stubs(:backtrace_cleaner).returns(stub(:clean))
-      Rails.backtrace_cleaner.expects(:clean).with(@backtrace, nil)
-      @test.send(:filter_backtrace, @backtrace)
-    end
-
-    test "filter backtrace should have the same arity as Test::Unit::Util::BacktraceFilter" do
-      assert_nothing_raised do
-        @test.send(:filter_backtrace, @backtrace, '/opt/local/lib')
-      end
-    end
-  end
-else
-  $stderr.puts 'No BacktraceFilter for minitest'
-end
-
 if defined? Gem
   class BacktraceCleanerVendorGemTest < ActiveSupport::TestCase
     def setup