diff --git a/activesupport/test/test_test.rb b/activesupport/test/test_test.rb
index 2c284f3b71..c93192f207 100644
--- a/activesupport/test/test_test.rb
+++ b/activesupport/test/test_test.rb
@@ -1,6 +1,4 @@
 require 'abstract_unit'
-require 'active_support/core_ext/date'
-require 'active_support/core_ext/numeric/time'
 
 class AssertDifferenceTest < ActiveSupport::TestCase
   def setup
diff --git a/activesupport/test/time_travel_test.rb b/activesupport/test/time_travel_test.rb
index cb5aac7a33..065539671d 100644
--- a/activesupport/test/time_travel_test.rb
+++ b/activesupport/test/time_travel_test.rb
@@ -1,3 +1,7 @@
+require 'abstract_unit'
+require 'active_support/core_ext/date'
+require 'active_support/core_ext/numeric/time'
+
 class TimeTravelTest < ActiveSupport::TestCase
   setup do
     Time.stubs now: Time.now