diff --git a/actionpack/test/controller/helper_test.rb b/actionpack/test/controller/helper_test.rb
index 584d73668a6c67efb8d1831c0644060b36c33335..35a87c1aaedc40b2c7bf3916768f00193c8efe46 100644
--- a/actionpack/test/controller/helper_test.rb
+++ b/actionpack/test/controller/helper_test.rb
@@ -1,5 +1,4 @@
 require 'abstract_unit'
-require 'active_support/core_ext/kernel/reporting'
 
 ActionController::Base.helpers_path = File.expand_path('../../fixtures/helpers', __FILE__)
 
diff --git a/activesupport/test/core_ext/string_ext_test.rb b/activesupport/test/core_ext/string_ext_test.rb
index 18a86e08f5d1538c68c43ffbd0e2d422dd2d0a8e..a4bba056df3db0ea31d652b1e6c7e5cf19978c9e 100644
--- a/activesupport/test/core_ext/string_ext_test.rb
+++ b/activesupport/test/core_ext/string_ext_test.rb
@@ -6,7 +6,6 @@
 require 'active_support/inflector'
 require 'active_support/core_ext/string'
 require 'active_support/time'
-require 'active_support/core_ext/kernel/reporting'
 require 'active_support/core_ext/string/strip'
 
 class StringInflectionsTest < Test::Unit::TestCase
diff --git a/activesupport/test/dependencies_test.rb b/activesupport/test/dependencies_test.rb
index b4edf0f51d089a54dc3ec37061bc9a15546d9f2c..b0e96731cc82d49e03ccf8d2a8184dfecae75aee 100644
--- a/activesupport/test/dependencies_test.rb
+++ b/activesupport/test/dependencies_test.rb
@@ -1,7 +1,6 @@
 require 'abstract_unit'
 require 'pp'
 require 'active_support/dependencies'
-require 'active_support/core_ext/kernel/reporting'
 
 module ModuleWithMissing
   mattr_accessor :missing_count
diff --git a/activesupport/test/json/decoding_test.rb b/activesupport/test/json/decoding_test.rb
index 201729a6c2332885306fab8f1e030d5c12971c34..d1454902e58f279aa10259641eec38c4c5afb785 100644
--- a/activesupport/test/json/decoding_test.rb
+++ b/activesupport/test/json/decoding_test.rb
@@ -2,7 +2,6 @@
 require 'abstract_unit'
 require 'active_support/json'
 require 'active_support/time'
-require 'active_support/core_ext/kernel/reporting'
 
 class TestJSONDecoding < ActiveSupport::TestCase
   TESTS = {
diff --git a/activesupport/test/multibyte_utils_test.rb b/activesupport/test/multibyte_utils_test.rb
index 1dff944922b96f2f2a75328feebae3910c6169a4..0a2f20d28212b8555757fcea0aa16aa7098456d3 100644
--- a/activesupport/test/multibyte_utils_test.rb
+++ b/activesupport/test/multibyte_utils_test.rb
@@ -2,7 +2,6 @@
 
 require 'abstract_unit'
 require 'multibyte_test_helpers'
-require 'active_support/core_ext/kernel/reporting'
 
 class MultibyteUtilsTest < ActiveSupport::TestCase
   include MultibyteTestHelpers
diff --git a/activesupport/test/test_test.rb b/activesupport/test/test_test.rb
index 5bd995aa327114e448c62a8758a65b6768b19773..f880052786bf0a45fb0fa28d63091b2c05d7204c 100644
--- a/activesupport/test/test_test.rb
+++ b/activesupport/test/test_test.rb
@@ -1,5 +1,4 @@
 require 'abstract_unit'
-require 'active_support/core_ext/kernel/reporting'
 
 class AssertDifferenceTest < ActiveSupport::TestCase
   def setup