diff --git a/activerecord/test/cases/dirty_test.rb b/activerecord/test/cases/dirty_test.rb
index 1f0e770a93..b1ebd20d6b 100644
--- a/activerecord/test/cases/dirty_test.rb
+++ b/activerecord/test/cases/dirty_test.rb
@@ -567,8 +567,6 @@ class DirtyTest < ActiveRecord::TestCase
     assert_not_nil pirate.previous_changes["updated_on"][1]
     assert_not pirate.previous_changes.key?("parrot_id")
     assert_not pirate.previous_changes.key?("created_on")
-  ensure
-    travel_back
   end
 
   class Testings < ActiveRecord::Base; end
diff --git a/activesupport/test/metadata/shared_metadata_tests.rb b/activesupport/test/metadata/shared_metadata_tests.rb
index 08bb0c648e..cf571223e5 100644
--- a/activesupport/test/metadata/shared_metadata_tests.rb
+++ b/activesupport/test/metadata/shared_metadata_tests.rb
@@ -1,11 +1,6 @@
 # frozen_string_literal: true
 
 module SharedMessageMetadataTests
-  def teardown
-    travel_back
-    super
-  end
-
   def null_serializing?
     false
   end