diff --git a/actionmailer/test/delivery_method_test.rb b/actionmailer/test/delivery_method_test.rb
index ebee23560a..0731512ea4 100644
--- a/actionmailer/test/delivery_method_test.rb
+++ b/actionmailer/test/delivery_method_test.rb
@@ -1,4 +1,4 @@
-require "#{File.dirname(__FILE__)}/abstract_unit"
+require 'abstract_unit'
 
 class DefaultDeliveryMethodMailer < ActionMailer::Base
 end
diff --git a/actionmailer/test/mail_helper_test.rb b/actionmailer/test/mail_helper_test.rb
index 70e5cb81d5..e94aeff074 100644
--- a/actionmailer/test/mail_helper_test.rb
+++ b/actionmailer/test/mail_helper_test.rb
@@ -1,4 +1,4 @@
-require "#{File.dirname(__FILE__)}/abstract_unit"
+require 'abstract_unit'
 
 module MailerHelper
   def person_name
diff --git a/actionmailer/test/mail_render_test.rb b/actionmailer/test/mail_render_test.rb
index 475735e7b0..fbcd1887e4 100644
--- a/actionmailer/test/mail_render_test.rb
+++ b/actionmailer/test/mail_render_test.rb
@@ -1,4 +1,4 @@
-require "#{File.dirname(__FILE__)}/abstract_unit"
+require 'abstract_unit'
 
 class RenderMailer < ActionMailer::Base
   def inline_template(recipient)
diff --git a/actionmailer/test/mail_service_test.rb b/actionmailer/test/mail_service_test.rb
index eb408f96cf..b90035f5f9 100755
--- a/actionmailer/test/mail_service_test.rb
+++ b/actionmailer/test/mail_service_test.rb
@@ -1,4 +1,4 @@
-require "#{File.dirname(__FILE__)}/abstract_unit"
+require 'abstract_unit'
 
 class FunkyPathMailer < ActionMailer::Base
   self.template_root = "#{File.dirname(__FILE__)}/fixtures/path.with.dots"
diff --git a/actionmailer/test/quoting_test.rb b/actionmailer/test/quoting_test.rb
index 14981571df..35a88705fd 100644
--- a/actionmailer/test/quoting_test.rb
+++ b/actionmailer/test/quoting_test.rb
@@ -1,4 +1,4 @@
-require "#{File.dirname(__FILE__)}/abstract_unit"
+require 'abstract_unit'
 require 'tmail'
 require 'tempfile'
 
diff --git a/actionmailer/test/test_helper_test.rb b/actionmailer/test/test_helper_test.rb
index d361e23a8e..ab14bcc561 100644
--- a/actionmailer/test/test_helper_test.rb
+++ b/actionmailer/test/test_helper_test.rb
@@ -1,4 +1,4 @@
-require File.dirname(__FILE__) + '/abstract_unit'
+require 'abstract_unit'
 
 class TestHelperMailer < ActionMailer::Base
   def test
diff --git a/actionmailer/test/tmail_test.rb b/actionmailer/test/tmail_test.rb
index b40d8945c5..718990e79e 100644
--- a/actionmailer/test/tmail_test.rb
+++ b/actionmailer/test/tmail_test.rb
@@ -1,4 +1,4 @@
-require "#{File.dirname(__FILE__)}/abstract_unit"
+require 'abstract_unit'
 
 class TMailMailTest < Test::Unit::TestCase
   def test_body
diff --git a/actionmailer/test/url_test.rb b/actionmailer/test/url_test.rb
index 5647869622..71286bd1cf 100644
--- a/actionmailer/test/url_test.rb
+++ b/actionmailer/test/url_test.rb
@@ -1,4 +1,4 @@
-require "#{File.dirname(__FILE__)}/abstract_unit"
+require 'abstract_unit'
 
 class TestMailer < ActionMailer::Base
   
@@ -73,4 +73,4 @@ class ActionMailerUrlTest < Test::Unit::TestCase
     assert_not_nil ActionMailer::Base.deliveries.first
     assert_equal expected.encoded, ActionMailer::Base.deliveries.first.encoded
   end
-end
\ No newline at end of file
+end