2 files changed, 1 insertions, 5 deletions
diff --git a/activesupport/test/abstract_unit.rb b/activesupport/test/abstract_unit.rb
index 168d3655d3..62356e4d46 100644
--- a/activesupport/test/abstract_unit.rb
+++ b/activesupport/test/abstract_unit.rb
@@ -39,8 +39,4 @@ class ActiveSupport::TestCase
     def jruby_skip(message = "")
       skip message if defined?(JRUBY_VERSION)
     end
-
-    def frozen_error_class
-      Object.const_defined?(:FrozenError) ? FrozenError : RuntimeError
-    end
 end
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb
index 95fdcb8faf..e8e0a1ae72 100644
--- a/activesupport/test/core_ext/hash_ext_test.rb
+++ b/activesupport/test/core_ext/hash_ext_test.rb
@@ -395,7 +395,7 @@ class HashExtTest < ActiveSupport::TestCase
     original.freeze
     assert_nothing_raised { original.except(:a) }
 
-    assert_raise(frozen_error_class) { original.except!(:a) }
+    assert_raise(FrozenError) { original.except!(:a) }
   end
 
   def test_except_does_not_delete_values_in_original