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-rw-r--r--activemodel/Rakefile1
-rw-r--r--activemodel/activemodel.gemspec1
-rwxr-xr-xactivemodel/bin/test1
-rw-r--r--activemodel/lib/active_model.rb1
-rw-r--r--activemodel/lib/active_model/attribute_methods.rb1
-rw-r--r--activemodel/lib/active_model/callbacks.rb1
-rw-r--r--activemodel/lib/active_model/conversion.rb1
-rw-r--r--activemodel/lib/active_model/dirty.rb1
-rw-r--r--activemodel/lib/active_model/errors.rb1
-rw-r--r--activemodel/lib/active_model/forbidden_attributes_protection.rb1
-rw-r--r--activemodel/lib/active_model/gem_version.rb1
-rw-r--r--activemodel/lib/active_model/lint.rb1
-rw-r--r--activemodel/lib/active_model/model.rb1
-rw-r--r--activemodel/lib/active_model/naming.rb1
-rw-r--r--activemodel/lib/active_model/railtie.rb1
-rw-r--r--activemodel/lib/active_model/secure_password.rb1
-rw-r--r--activemodel/lib/active_model/serialization.rb1
-rw-r--r--activemodel/lib/active_model/serializers/json.rb1
-rw-r--r--activemodel/lib/active_model/translation.rb1
-rw-r--r--activemodel/lib/active_model/type.rb1
-rw-r--r--activemodel/lib/active_model/type/big_integer.rb1
-rw-r--r--activemodel/lib/active_model/type/binary.rb1
-rw-r--r--activemodel/lib/active_model/type/boolean.rb1
-rw-r--r--activemodel/lib/active_model/type/date.rb1
-rw-r--r--activemodel/lib/active_model/type/date_time.rb1
-rw-r--r--activemodel/lib/active_model/type/decimal.rb1
-rw-r--r--activemodel/lib/active_model/type/float.rb1
-rw-r--r--activemodel/lib/active_model/type/helpers.rb1
-rw-r--r--activemodel/lib/active_model/type/helpers/accepts_multiparameter_time.rb1
-rw-r--r--activemodel/lib/active_model/type/helpers/mutable.rb1
-rw-r--r--activemodel/lib/active_model/type/helpers/numeric.rb1
-rw-r--r--activemodel/lib/active_model/type/helpers/time_value.rb1
-rw-r--r--activemodel/lib/active_model/type/immutable_string.rb1
-rw-r--r--activemodel/lib/active_model/type/integer.rb1
-rw-r--r--activemodel/lib/active_model/type/registry.rb1
-rw-r--r--activemodel/lib/active_model/type/string.rb1
-rw-r--r--activemodel/lib/active_model/type/time.rb1
-rw-r--r--activemodel/lib/active_model/type/value.rb1
-rw-r--r--activemodel/lib/active_model/validations.rb1
-rw-r--r--activemodel/lib/active_model/validations/absence.rb1
-rw-r--r--activemodel/lib/active_model/validations/acceptance.rb1
-rw-r--r--activemodel/lib/active_model/validations/callbacks.rb1
-rw-r--r--activemodel/lib/active_model/validations/clusivity.rb1
-rw-r--r--activemodel/lib/active_model/validations/confirmation.rb1
-rw-r--r--activemodel/lib/active_model/validations/exclusion.rb1
-rw-r--r--activemodel/lib/active_model/validations/format.rb1
-rw-r--r--activemodel/lib/active_model/validations/helper_methods.rb1
-rw-r--r--activemodel/lib/active_model/validations/inclusion.rb1
-rw-r--r--activemodel/lib/active_model/validations/length.rb1
-rw-r--r--activemodel/lib/active_model/validations/numericality.rb1
-rw-r--r--activemodel/lib/active_model/validations/presence.rb1
-rw-r--r--activemodel/lib/active_model/validations/validates.rb1
-rw-r--r--activemodel/lib/active_model/validations/with.rb1
-rw-r--r--activemodel/lib/active_model/validator.rb1
-rw-r--r--activemodel/lib/active_model/version.rb1
-rw-r--r--activemodel/test/cases/attribute_assignment_test.rb1
-rw-r--r--activemodel/test/cases/attribute_methods_test.rb1
-rw-r--r--activemodel/test/cases/callbacks_test.rb1
-rw-r--r--activemodel/test/cases/conversion_test.rb1
-rw-r--r--activemodel/test/cases/dirty_test.rb1
-rw-r--r--activemodel/test/cases/errors_test.rb1
-rw-r--r--activemodel/test/cases/forbidden_attributes_protection_test.rb1
-rw-r--r--activemodel/test/cases/helper.rb1
-rw-r--r--activemodel/test/cases/lint_test.rb1
-rw-r--r--activemodel/test/cases/model_test.rb1
-rw-r--r--activemodel/test/cases/naming_test.rb1
-rw-r--r--activemodel/test/cases/railtie_test.rb1
-rw-r--r--activemodel/test/cases/secure_password_test.rb1
-rw-r--r--activemodel/test/cases/serialization_test.rb1
-rw-r--r--activemodel/test/cases/serializers/json_serialization_test.rb1
-rw-r--r--activemodel/test/cases/translation_test.rb1
-rw-r--r--activemodel/test/cases/type/big_integer_test.rb1
-rw-r--r--activemodel/test/cases/type/binary_test.rb1
-rw-r--r--activemodel/test/cases/type/boolean_test.rb1
-rw-r--r--activemodel/test/cases/type/date_test.rb1
-rw-r--r--activemodel/test/cases/type/date_time_test.rb1
-rw-r--r--activemodel/test/cases/type/decimal_test.rb1
-rw-r--r--activemodel/test/cases/type/float_test.rb1
-rw-r--r--activemodel/test/cases/type/immutable_string_test.rb1
-rw-r--r--activemodel/test/cases/type/integer_test.rb1
-rw-r--r--activemodel/test/cases/type/registry_test.rb1
-rw-r--r--activemodel/test/cases/type/string_test.rb1
-rw-r--r--activemodel/test/cases/type/time_test.rb1
-rw-r--r--activemodel/test/cases/type/value_test.rb1
-rw-r--r--activemodel/test/cases/validations/absence_validation_test.rb1
-rw-r--r--activemodel/test/cases/validations/acceptance_validation_test.rb1
-rw-r--r--activemodel/test/cases/validations/callbacks_test.rb1
-rw-r--r--activemodel/test/cases/validations/conditional_validation_test.rb1
-rw-r--r--activemodel/test/cases/validations/confirmation_validation_test.rb1
-rw-r--r--activemodel/test/cases/validations/exclusion_validation_test.rb1
-rw-r--r--activemodel/test/cases/validations/format_validation_test.rb1
-rw-r--r--activemodel/test/cases/validations/i18n_generate_message_validation_test.rb1
-rw-r--r--activemodel/test/cases/validations/i18n_validation_test.rb1
-rw-r--r--activemodel/test/cases/validations/inclusion_validation_test.rb1
-rw-r--r--activemodel/test/cases/validations/length_validation_test.rb1
-rw-r--r--activemodel/test/cases/validations/numericality_validation_test.rb1
-rw-r--r--activemodel/test/cases/validations/presence_validation_test.rb1
-rw-r--r--activemodel/test/cases/validations/validates_test.rb1
-rw-r--r--activemodel/test/cases/validations/validations_context_test.rb1
-rw-r--r--activemodel/test/cases/validations/with_validation_test.rb1
-rw-r--r--activemodel/test/cases/validations_test.rb1
-rw-r--r--activemodel/test/models/account.rb1
-rw-r--r--activemodel/test/models/blog_post.rb1
-rw-r--r--activemodel/test/models/contact.rb1
-rw-r--r--activemodel/test/models/custom_reader.rb1
-rw-r--r--activemodel/test/models/helicopter.rb1
-rw-r--r--activemodel/test/models/person.rb1
-rw-r--r--activemodel/test/models/person_with_validator.rb1
-rw-r--r--activemodel/test/models/reply.rb1
-rw-r--r--activemodel/test/models/sheep.rb1
-rw-r--r--activemodel/test/models/topic.rb1
-rw-r--r--activemodel/test/models/track_back.rb1
-rw-r--r--activemodel/test/models/user.rb1
-rw-r--r--activemodel/test/models/visitor.rb1
-rw-r--r--activemodel/test/validators/email_validator.rb1
-rw-r--r--activemodel/test/validators/namespace/email_validator.rb1
116 files changed, 0 insertions, 116 deletions
diff --git a/activemodel/Rakefile b/activemodel/Rakefile
index 8027b46d54..d60f6d9997 100644
--- a/activemodel/Rakefile
+++ b/activemodel/Rakefile
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "rake/testtask"
task default: :test
diff --git a/activemodel/activemodel.gemspec b/activemodel/activemodel.gemspec
index 9ea6796081..18a35678f1 100644
--- a/activemodel/activemodel.gemspec
+++ b/activemodel/activemodel.gemspec
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
version = File.read(File.expand_path("../RAILS_VERSION", __dir__)).strip
Gem::Specification.new do |s|
diff --git a/activemodel/bin/test b/activemodel/bin/test
index c53377cc97..470ce93f10 100755
--- a/activemodel/bin/test
+++ b/activemodel/bin/test
@@ -1,5 +1,4 @@
#!/usr/bin/env ruby
-# frozen_string_literal: true
COMPONENT_ROOT = File.expand_path("..", __dir__)
require_relative "../../tools/test"
diff --git a/activemodel/lib/active_model.rb b/activemodel/lib/active_model.rb
index 1f090bad17..a2892e9ea9 100644
--- a/activemodel/lib/active_model.rb
+++ b/activemodel/lib/active_model.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
#--
# Copyright (c) 2004-2017 David Heinemeier Hansson
#
diff --git a/activemodel/lib/active_model/attribute_methods.rb b/activemodel/lib/active_model/attribute_methods.rb
index c87fd64a10..b3b39bf7ae 100644
--- a/activemodel/lib/active_model/attribute_methods.rb
+++ b/activemodel/lib/active_model/attribute_methods.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "concurrent/map"
require "mutex_m"
diff --git a/activemodel/lib/active_model/callbacks.rb b/activemodel/lib/active_model/callbacks.rb
index 3bc2fed7cf..835e6f7716 100644
--- a/activemodel/lib/active_model/callbacks.rb
+++ b/activemodel/lib/active_model/callbacks.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_support/core_ext/array/extract_options"
module ActiveModel
diff --git a/activemodel/lib/active_model/conversion.rb b/activemodel/lib/active_model/conversion.rb
index fc0c499f14..12687c70d3 100644
--- a/activemodel/lib/active_model/conversion.rb
+++ b/activemodel/lib/active_model/conversion.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
# == Active \Model \Conversion
#
diff --git a/activemodel/lib/active_model/dirty.rb b/activemodel/lib/active_model/dirty.rb
index 4dfa312223..dc81f74779 100644
--- a/activemodel/lib/active_model/dirty.rb
+++ b/activemodel/lib/active_model/dirty.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_support/hash_with_indifferent_access"
require "active_support/core_ext/object/duplicable"
diff --git a/activemodel/lib/active_model/errors.rb b/activemodel/lib/active_model/errors.rb
index 52e1a46bfc..942b4fa9bb 100644
--- a/activemodel/lib/active_model/errors.rb
+++ b/activemodel/lib/active_model/errors.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_support/core_ext/array/conversions"
require "active_support/core_ext/string/inflections"
require "active_support/core_ext/object/deep_dup"
diff --git a/activemodel/lib/active_model/forbidden_attributes_protection.rb b/activemodel/lib/active_model/forbidden_attributes_protection.rb
index 37a16863d7..45ab8a2ca1 100644
--- a/activemodel/lib/active_model/forbidden_attributes_protection.rb
+++ b/activemodel/lib/active_model/forbidden_attributes_protection.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
# Raised when forbidden attributes are used for mass assignment.
#
diff --git a/activemodel/lib/active_model/gem_version.rb b/activemodel/lib/active_model/gem_version.rb
index e257b0de71..67bdfaa643 100644
--- a/activemodel/lib/active_model/gem_version.rb
+++ b/activemodel/lib/active_model/gem_version.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
# Returns the version of the currently loaded \Active \Model as a <tt>Gem::Version</tt>
def self.gem_version
diff --git a/activemodel/lib/active_model/lint.rb b/activemodel/lib/active_model/lint.rb
index 4120d769c9..291a545528 100644
--- a/activemodel/lib/active_model/lint.rb
+++ b/activemodel/lib/active_model/lint.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Lint
# == Active \Model \Lint \Tests
diff --git a/activemodel/lib/active_model/model.rb b/activemodel/lib/active_model/model.rb
index 234e479b35..945a5402a3 100644
--- a/activemodel/lib/active_model/model.rb
+++ b/activemodel/lib/active_model/model.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
# == Active \Model \Basic \Model
#
diff --git a/activemodel/lib/active_model/naming.rb b/activemodel/lib/active_model/naming.rb
index b32c90884e..9ac56526a2 100644
--- a/activemodel/lib/active_model/naming.rb
+++ b/activemodel/lib/active_model/naming.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_support/core_ext/hash/except"
require "active_support/core_ext/module/introspection"
require "active_support/core_ext/module/remove_method"
diff --git a/activemodel/lib/active_model/railtie.rb b/activemodel/lib/active_model/railtie.rb
index f7666d201a..1671eb7bd4 100644
--- a/activemodel/lib/active_model/railtie.rb
+++ b/activemodel/lib/active_model/railtie.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_model"
require "rails"
diff --git a/activemodel/lib/active_model/secure_password.rb b/activemodel/lib/active_model/secure_password.rb
index d1dc833f83..1c0fe92bc0 100644
--- a/activemodel/lib/active_model/secure_password.rb
+++ b/activemodel/lib/active_model/secure_password.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module SecurePassword
extend ActiveSupport::Concern
diff --git a/activemodel/lib/active_model/serialization.rb b/activemodel/lib/active_model/serialization.rb
index 3151c46828..77834f26fc 100644
--- a/activemodel/lib/active_model/serialization.rb
+++ b/activemodel/lib/active_model/serialization.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_support/core_ext/hash/except"
require "active_support/core_ext/hash/slice"
diff --git a/activemodel/lib/active_model/serializers/json.rb b/activemodel/lib/active_model/serializers/json.rb
index 3d453cd829..205b84ddb4 100644
--- a/activemodel/lib/active_model/serializers/json.rb
+++ b/activemodel/lib/active_model/serializers/json.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_support/json"
module ActiveModel
diff --git a/activemodel/lib/active_model/translation.rb b/activemodel/lib/active_model/translation.rb
index 7d8fe1717c..35fc7cf743 100644
--- a/activemodel/lib/active_model/translation.rb
+++ b/activemodel/lib/active_model/translation.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
# == Active \Model \Translation
#
diff --git a/activemodel/lib/active_model/type.rb b/activemodel/lib/active_model/type.rb
index 3d8c0a00ce..095801d8f0 100644
--- a/activemodel/lib/active_model/type.rb
+++ b/activemodel/lib/active_model/type.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_model/type/helpers"
require "active_model/type/value"
diff --git a/activemodel/lib/active_model/type/big_integer.rb b/activemodel/lib/active_model/type/big_integer.rb
index 90734cb2fa..3b629682fe 100644
--- a/activemodel/lib/active_model/type/big_integer.rb
+++ b/activemodel/lib/active_model/type/big_integer.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_model/type/integer"
module ActiveModel
diff --git a/activemodel/lib/active_model/type/binary.rb b/activemodel/lib/active_model/type/binary.rb
index 37da9deb43..819e4e4a96 100644
--- a/activemodel/lib/active_model/type/binary.rb
+++ b/activemodel/lib/active_model/type/binary.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Type
class Binary < Value # :nodoc:
diff --git a/activemodel/lib/active_model/type/boolean.rb b/activemodel/lib/active_model/type/boolean.rb
index 120aca8c6a..f2a47370a3 100644
--- a/activemodel/lib/active_model/type/boolean.rb
+++ b/activemodel/lib/active_model/type/boolean.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Type
# == Active \Model \Type \Boolean
diff --git a/activemodel/lib/active_model/type/date.rb b/activemodel/lib/active_model/type/date.rb
index e17fe1047a..eefd080351 100644
--- a/activemodel/lib/active_model/type/date.rb
+++ b/activemodel/lib/active_model/type/date.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Type
class Date < Value # :nodoc:
diff --git a/activemodel/lib/active_model/type/date_time.rb b/activemodel/lib/active_model/type/date_time.rb
index 325ab13375..5cb0077e45 100644
--- a/activemodel/lib/active_model/type/date_time.rb
+++ b/activemodel/lib/active_model/type/date_time.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Type
class DateTime < Value # :nodoc:
diff --git a/activemodel/lib/active_model/type/decimal.rb b/activemodel/lib/active_model/type/decimal.rb
index 388d41e7ff..e6805c5f6b 100644
--- a/activemodel/lib/active_model/type/decimal.rb
+++ b/activemodel/lib/active_model/type/decimal.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "bigdecimal/util"
module ActiveModel
diff --git a/activemodel/lib/active_model/type/float.rb b/activemodel/lib/active_model/type/float.rb
index 00cef09cca..4d0d2771a0 100644
--- a/activemodel/lib/active_model/type/float.rb
+++ b/activemodel/lib/active_model/type/float.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Type
class Float < Value # :nodoc:
diff --git a/activemodel/lib/active_model/type/helpers.rb b/activemodel/lib/active_model/type/helpers.rb
index 3d039b7530..82cd9ebe98 100644
--- a/activemodel/lib/active_model/type/helpers.rb
+++ b/activemodel/lib/active_model/type/helpers.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_model/type/helpers/accepts_multiparameter_time"
require "active_model/type/helpers/numeric"
require "active_model/type/helpers/mutable"
diff --git a/activemodel/lib/active_model/type/helpers/accepts_multiparameter_time.rb b/activemodel/lib/active_model/type/helpers/accepts_multiparameter_time.rb
index 69405f8e0a..f783d286c5 100644
--- a/activemodel/lib/active_model/type/helpers/accepts_multiparameter_time.rb
+++ b/activemodel/lib/active_model/type/helpers/accepts_multiparameter_time.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Type
module Helpers # :nodoc: all
diff --git a/activemodel/lib/active_model/type/helpers/mutable.rb b/activemodel/lib/active_model/type/helpers/mutable.rb
index 61569f1e7b..f3a17a1698 100644
--- a/activemodel/lib/active_model/type/helpers/mutable.rb
+++ b/activemodel/lib/active_model/type/helpers/mutable.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Type
module Helpers # :nodoc: all
diff --git a/activemodel/lib/active_model/type/helpers/numeric.rb b/activemodel/lib/active_model/type/helpers/numeric.rb
index 363115632f..275822b738 100644
--- a/activemodel/lib/active_model/type/helpers/numeric.rb
+++ b/activemodel/lib/active_model/type/helpers/numeric.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Type
module Helpers # :nodoc: all
diff --git a/activemodel/lib/active_model/type/helpers/time_value.rb b/activemodel/lib/active_model/type/helpers/time_value.rb
index c99addc642..53cf7c6029 100644
--- a/activemodel/lib/active_model/type/helpers/time_value.rb
+++ b/activemodel/lib/active_model/type/helpers/time_value.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_support/core_ext/time/zones"
module ActiveModel
diff --git a/activemodel/lib/active_model/type/immutable_string.rb b/activemodel/lib/active_model/type/immutable_string.rb
index 06abd8a13f..58268540e5 100644
--- a/activemodel/lib/active_model/type/immutable_string.rb
+++ b/activemodel/lib/active_model/type/immutable_string.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Type
class ImmutableString < Value # :nodoc:
diff --git a/activemodel/lib/active_model/type/integer.rb b/activemodel/lib/active_model/type/integer.rb
index 0cd0e7f371..106b5d966c 100644
--- a/activemodel/lib/active_model/type/integer.rb
+++ b/activemodel/lib/active_model/type/integer.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Type
class Integer < Value # :nodoc:
diff --git a/activemodel/lib/active_model/type/registry.rb b/activemodel/lib/active_model/type/registry.rb
index 15732d1bbd..2d5dd366eb 100644
--- a/activemodel/lib/active_model/type/registry.rb
+++ b/activemodel/lib/active_model/type/registry.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
# :stopdoc:
module Type
diff --git a/activemodel/lib/active_model/type/string.rb b/activemodel/lib/active_model/type/string.rb
index d6e330bdba..850cab962b 100644
--- a/activemodel/lib/active_model/type/string.rb
+++ b/activemodel/lib/active_model/type/string.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_model/type/immutable_string"
module ActiveModel
diff --git a/activemodel/lib/active_model/type/time.rb b/activemodel/lib/active_model/type/time.rb
index 8cf7078ff3..54d6214e81 100644
--- a/activemodel/lib/active_model/type/time.rb
+++ b/activemodel/lib/active_model/type/time.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Type
class Time < Value # :nodoc:
diff --git a/activemodel/lib/active_model/type/value.rb b/activemodel/lib/active_model/type/value.rb
index b56c8b48f5..7e9ae92245 100644
--- a/activemodel/lib/active_model/type/value.rb
+++ b/activemodel/lib/active_model/type/value.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Type
class Value
diff --git a/activemodel/lib/active_model/validations.rb b/activemodel/lib/active_model/validations.rb
index a684277127..ae1d69f685 100644
--- a/activemodel/lib/active_model/validations.rb
+++ b/activemodel/lib/active_model/validations.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_support/core_ext/array/extract_options"
require "active_support/core_ext/hash/keys"
require "active_support/core_ext/hash/except"
diff --git a/activemodel/lib/active_model/validations/absence.rb b/activemodel/lib/active_model/validations/absence.rb
index f09f89bff2..4618f46e30 100644
--- a/activemodel/lib/active_model/validations/absence.rb
+++ b/activemodel/lib/active_model/validations/absence.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Validations
# == \Active \Model Absence Validator
diff --git a/activemodel/lib/active_model/validations/acceptance.rb b/activemodel/lib/active_model/validations/acceptance.rb
index 32b8d9567e..a26c37daa5 100644
--- a/activemodel/lib/active_model/validations/acceptance.rb
+++ b/activemodel/lib/active_model/validations/acceptance.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Validations
class AcceptanceValidator < EachValidator # :nodoc:
diff --git a/activemodel/lib/active_model/validations/callbacks.rb b/activemodel/lib/active_model/validations/callbacks.rb
index f4e10ce918..4e94422cf1 100644
--- a/activemodel/lib/active_model/validations/callbacks.rb
+++ b/activemodel/lib/active_model/validations/callbacks.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Validations
# == Active \Model \Validation \Callbacks
diff --git a/activemodel/lib/active_model/validations/clusivity.rb b/activemodel/lib/active_model/validations/clusivity.rb
index 081c69a7f7..18f1056e2b 100644
--- a/activemodel/lib/active_model/validations/clusivity.rb
+++ b/activemodel/lib/active_model/validations/clusivity.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_support/core_ext/range"
module ActiveModel
diff --git a/activemodel/lib/active_model/validations/confirmation.rb b/activemodel/lib/active_model/validations/confirmation.rb
index 88930ea0cd..03585bf5e1 100644
--- a/activemodel/lib/active_model/validations/confirmation.rb
+++ b/activemodel/lib/active_model/validations/confirmation.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Validations
class ConfirmationValidator < EachValidator # :nodoc:
diff --git a/activemodel/lib/active_model/validations/exclusion.rb b/activemodel/lib/active_model/validations/exclusion.rb
index 1442f89002..b7156ba802 100644
--- a/activemodel/lib/active_model/validations/exclusion.rb
+++ b/activemodel/lib/active_model/validations/exclusion.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_model/validations/clusivity"
module ActiveModel
diff --git a/activemodel/lib/active_model/validations/format.rb b/activemodel/lib/active_model/validations/format.rb
index 01ea49c4d6..98b3f6a8e5 100644
--- a/activemodel/lib/active_model/validations/format.rb
+++ b/activemodel/lib/active_model/validations/format.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Validations
class FormatValidator < EachValidator # :nodoc:
diff --git a/activemodel/lib/active_model/validations/helper_methods.rb b/activemodel/lib/active_model/validations/helper_methods.rb
index 14236dcf41..2176115334 100644
--- a/activemodel/lib/active_model/validations/helper_methods.rb
+++ b/activemodel/lib/active_model/validations/helper_methods.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Validations
module HelperMethods # :nodoc:
diff --git a/activemodel/lib/active_model/validations/inclusion.rb b/activemodel/lib/active_model/validations/inclusion.rb
index 7ca8696951..c6c5bae649 100644
--- a/activemodel/lib/active_model/validations/inclusion.rb
+++ b/activemodel/lib/active_model/validations/inclusion.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_model/validations/clusivity"
module ActiveModel
diff --git a/activemodel/lib/active_model/validations/length.rb b/activemodel/lib/active_model/validations/length.rb
index e77a9e4f4c..940c58f3a7 100644
--- a/activemodel/lib/active_model/validations/length.rb
+++ b/activemodel/lib/active_model/validations/length.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Validations
class LengthValidator < EachValidator # :nodoc:
diff --git a/activemodel/lib/active_model/validations/numericality.rb b/activemodel/lib/active_model/validations/numericality.rb
index 53a7287ec6..fb053a4c4e 100644
--- a/activemodel/lib/active_model/validations/numericality.rb
+++ b/activemodel/lib/active_model/validations/numericality.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Validations
class NumericalityValidator < EachValidator # :nodoc:
diff --git a/activemodel/lib/active_model/validations/presence.rb b/activemodel/lib/active_model/validations/presence.rb
index 82f9ea0c9c..ce4106a5e1 100644
--- a/activemodel/lib/active_model/validations/presence.rb
+++ b/activemodel/lib/active_model/validations/presence.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module ActiveModel
module Validations
class PresenceValidator < EachValidator # :nodoc:
diff --git a/activemodel/lib/active_model/validations/validates.rb b/activemodel/lib/active_model/validations/validates.rb
index 45a7007c45..a8b958e974 100644
--- a/activemodel/lib/active_model/validations/validates.rb
+++ b/activemodel/lib/active_model/validations/validates.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_support/core_ext/hash/slice"
module ActiveModel
diff --git a/activemodel/lib/active_model/validations/with.rb b/activemodel/lib/active_model/validations/with.rb
index b485846c6d..9227dd06ff 100644
--- a/activemodel/lib/active_model/validations/with.rb
+++ b/activemodel/lib/active_model/validations/with.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_support/core_ext/array/extract_options"
module ActiveModel
diff --git a/activemodel/lib/active_model/validator.rb b/activemodel/lib/active_model/validator.rb
index 976cf56a5e..6c11981e1d 100644
--- a/activemodel/lib/active_model/validator.rb
+++ b/activemodel/lib/active_model/validator.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_support/core_ext/module/anonymous"
module ActiveModel
diff --git a/activemodel/lib/active_model/version.rb b/activemodel/lib/active_model/version.rb
index 09667cf425..6e7fd227fd 100644
--- a/activemodel/lib/active_model/version.rb
+++ b/activemodel/lib/active_model/version.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require_relative "gem_version"
module ActiveModel
diff --git a/activemodel/test/cases/attribute_assignment_test.rb b/activemodel/test/cases/attribute_assignment_test.rb
index 5ec55676da..fa41d1b95f 100644
--- a/activemodel/test/cases/attribute_assignment_test.rb
+++ b/activemodel/test/cases/attribute_assignment_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_support/core_ext/hash/indifferent_access"
require "active_support/hash_with_indifferent_access"
diff --git a/activemodel/test/cases/attribute_methods_test.rb b/activemodel/test/cases/attribute_methods_test.rb
index 4b03c581e9..4767accb7c 100644
--- a/activemodel/test/cases/attribute_methods_test.rb
+++ b/activemodel/test/cases/attribute_methods_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
class ModelWithAttributes
diff --git a/activemodel/test/cases/callbacks_test.rb b/activemodel/test/cases/callbacks_test.rb
index f236cb3997..f85cd7dec4 100644
--- a/activemodel/test/cases/callbacks_test.rb
+++ b/activemodel/test/cases/callbacks_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
class CallbacksTest < ActiveModel::TestCase
diff --git a/activemodel/test/cases/conversion_test.rb b/activemodel/test/cases/conversion_test.rb
index 145a7b4e7f..4a93347abc 100644
--- a/activemodel/test/cases/conversion_test.rb
+++ b/activemodel/test/cases/conversion_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/contact"
require "models/helicopter"
diff --git a/activemodel/test/cases/dirty_test.rb b/activemodel/test/cases/dirty_test.rb
index 18d2db7edf..0242b96083 100644
--- a/activemodel/test/cases/dirty_test.rb
+++ b/activemodel/test/cases/dirty_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
class DirtyTest < ActiveModel::TestCase
diff --git a/activemodel/test/cases/errors_test.rb b/activemodel/test/cases/errors_test.rb
index 790113331d..43aee5a814 100644
--- a/activemodel/test/cases/errors_test.rb
+++ b/activemodel/test/cases/errors_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_support/core_ext/string/strip"
require "yaml"
diff --git a/activemodel/test/cases/forbidden_attributes_protection_test.rb b/activemodel/test/cases/forbidden_attributes_protection_test.rb
index b2211b069c..d8cc72e662 100644
--- a/activemodel/test/cases/forbidden_attributes_protection_test.rb
+++ b/activemodel/test/cases/forbidden_attributes_protection_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_support/core_ext/hash/indifferent_access"
require "models/account"
diff --git a/activemodel/test/cases/helper.rb b/activemodel/test/cases/helper.rb
index be0817624c..eeb5c85a48 100644
--- a/activemodel/test/cases/helper.rb
+++ b/activemodel/test/cases/helper.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "active_model"
# Show backtraces for deprecated behavior for quicker cleanup.
diff --git a/activemodel/test/cases/lint_test.rb b/activemodel/test/cases/lint_test.rb
index 29443f212f..7a817d7c01 100644
--- a/activemodel/test/cases/lint_test.rb
+++ b/activemodel/test/cases/lint_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
class LintTest < ActiveModel::TestCase
diff --git a/activemodel/test/cases/model_test.rb b/activemodel/test/cases/model_test.rb
index 593077a768..ba87cd1506 100644
--- a/activemodel/test/cases/model_test.rb
+++ b/activemodel/test/cases/model_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
class ModelTest < ActiveModel::TestCase
diff --git a/activemodel/test/cases/naming_test.rb b/activemodel/test/cases/naming_test.rb
index 068cb93762..d5cb1a62bc 100644
--- a/activemodel/test/cases/naming_test.rb
+++ b/activemodel/test/cases/naming_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/contact"
require "models/sheep"
diff --git a/activemodel/test/cases/railtie_test.rb b/activemodel/test/cases/railtie_test.rb
index faace1be85..a56b26b5ee 100644
--- a/activemodel/test/cases/railtie_test.rb
+++ b/activemodel/test/cases/railtie_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_support/testing/isolation"
diff --git a/activemodel/test/cases/secure_password_test.rb b/activemodel/test/cases/secure_password_test.rb
index 92368a5512..77ce86f392 100644
--- a/activemodel/test/cases/secure_password_test.rb
+++ b/activemodel/test/cases/secure_password_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/user"
require "models/visitor"
diff --git a/activemodel/test/cases/serialization_test.rb b/activemodel/test/cases/serialization_test.rb
index 8611dcbf0b..f78efd2f0c 100644
--- a/activemodel/test/cases/serialization_test.rb
+++ b/activemodel/test/cases/serialization_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_support/core_ext/object/instance_variables"
diff --git a/activemodel/test/cases/serializers/json_serialization_test.rb b/activemodel/test/cases/serializers/json_serialization_test.rb
index c6981e86e1..d15ba64eb0 100644
--- a/activemodel/test/cases/serializers/json_serialization_test.rb
+++ b/activemodel/test/cases/serializers/json_serialization_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/contact"
require "active_support/core_ext/object/instance_variables"
diff --git a/activemodel/test/cases/translation_test.rb b/activemodel/test/cases/translation_test.rb
index aa2c41849d..9972f9daea 100644
--- a/activemodel/test/cases/translation_test.rb
+++ b/activemodel/test/cases/translation_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/person"
diff --git a/activemodel/test/cases/type/big_integer_test.rb b/activemodel/test/cases/type/big_integer_test.rb
index fba019c01f..56002b7cc6 100644
--- a/activemodel/test/cases/type/big_integer_test.rb
+++ b/activemodel/test/cases/type/big_integer_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_model/type"
diff --git a/activemodel/test/cases/type/binary_test.rb b/activemodel/test/cases/type/binary_test.rb
index b0ae5c3423..e9c2ccfca4 100644
--- a/activemodel/test/cases/type/binary_test.rb
+++ b/activemodel/test/cases/type/binary_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_model/type"
diff --git a/activemodel/test/cases/type/boolean_test.rb b/activemodel/test/cases/type/boolean_test.rb
index e8ed904c75..92e5aebfb7 100644
--- a/activemodel/test/cases/type/boolean_test.rb
+++ b/activemodel/test/cases/type/boolean_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_model/type"
diff --git a/activemodel/test/cases/type/date_test.rb b/activemodel/test/cases/type/date_test.rb
index ef21e52361..0cc90e99d3 100644
--- a/activemodel/test/cases/type/date_test.rb
+++ b/activemodel/test/cases/type/date_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_model/type"
diff --git a/activemodel/test/cases/type/date_time_test.rb b/activemodel/test/cases/type/date_time_test.rb
index fd717d8793..75a7fc686e 100644
--- a/activemodel/test/cases/type/date_time_test.rb
+++ b/activemodel/test/cases/type/date_time_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_model/type"
diff --git a/activemodel/test/cases/type/decimal_test.rb b/activemodel/test/cases/type/decimal_test.rb
index 18b1e60127..c3b43725cc 100644
--- a/activemodel/test/cases/type/decimal_test.rb
+++ b/activemodel/test/cases/type/decimal_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_model/type"
diff --git a/activemodel/test/cases/type/float_test.rb b/activemodel/test/cases/type/float_test.rb
index 594a7fc668..8026d63ad5 100644
--- a/activemodel/test/cases/type/float_test.rb
+++ b/activemodel/test/cases/type/float_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_model/type"
diff --git a/activemodel/test/cases/type/immutable_string_test.rb b/activemodel/test/cases/type/immutable_string_test.rb
index 5b2830d4a4..23e58974fb 100644
--- a/activemodel/test/cases/type/immutable_string_test.rb
+++ b/activemodel/test/cases/type/immutable_string_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_model/type"
diff --git a/activemodel/test/cases/type/integer_test.rb b/activemodel/test/cases/type/integer_test.rb
index 67ee6307ea..a91144036b 100644
--- a/activemodel/test/cases/type/integer_test.rb
+++ b/activemodel/test/cases/type/integer_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_model/type"
require "active_support/core_ext/numeric/time"
diff --git a/activemodel/test/cases/type/registry_test.rb b/activemodel/test/cases/type/registry_test.rb
index b2901253a5..927b6d0307 100644
--- a/activemodel/test/cases/type/registry_test.rb
+++ b/activemodel/test/cases/type/registry_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_model/type"
diff --git a/activemodel/test/cases/type/string_test.rb b/activemodel/test/cases/type/string_test.rb
index 9c604bcec2..5bf9fc3527 100644
--- a/activemodel/test/cases/type/string_test.rb
+++ b/activemodel/test/cases/type/string_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_model/type"
diff --git a/activemodel/test/cases/type/time_test.rb b/activemodel/test/cases/type/time_test.rb
index aa114fc911..0cc4d33caa 100644
--- a/activemodel/test/cases/type/time_test.rb
+++ b/activemodel/test/cases/type/time_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_model/type"
diff --git a/activemodel/test/cases/type/value_test.rb b/activemodel/test/cases/type/value_test.rb
index d294e86ef9..d8b3e7f164 100644
--- a/activemodel/test/cases/type/value_test.rb
+++ b/activemodel/test/cases/type/value_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_model/type"
diff --git a/activemodel/test/cases/validations/absence_validation_test.rb b/activemodel/test/cases/validations/absence_validation_test.rb
index 10a42fba59..833f694c5a 100644
--- a/activemodel/test/cases/validations/absence_validation_test.rb
+++ b/activemodel/test/cases/validations/absence_validation_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/topic"
require "models/person"
diff --git a/activemodel/test/cases/validations/acceptance_validation_test.rb b/activemodel/test/cases/validations/acceptance_validation_test.rb
index 78619abdb8..fbd994e914 100644
--- a/activemodel/test/cases/validations/acceptance_validation_test.rb
+++ b/activemodel/test/cases/validations/acceptance_validation_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/topic"
diff --git a/activemodel/test/cases/validations/callbacks_test.rb b/activemodel/test/cases/validations/callbacks_test.rb
index 9ef59b917a..f2e4a5946d 100644
--- a/activemodel/test/cases/validations/callbacks_test.rb
+++ b/activemodel/test/cases/validations/callbacks_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
class Dog
diff --git a/activemodel/test/cases/validations/conditional_validation_test.rb b/activemodel/test/cases/validations/conditional_validation_test.rb
index c86124c8ea..048d27446e 100644
--- a/activemodel/test/cases/validations/conditional_validation_test.rb
+++ b/activemodel/test/cases/validations/conditional_validation_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/topic"
diff --git a/activemodel/test/cases/validations/confirmation_validation_test.rb b/activemodel/test/cases/validations/confirmation_validation_test.rb
index 1d3e2390e6..7ddf3ad273 100644
--- a/activemodel/test/cases/validations/confirmation_validation_test.rb
+++ b/activemodel/test/cases/validations/confirmation_validation_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/topic"
diff --git a/activemodel/test/cases/validations/exclusion_validation_test.rb b/activemodel/test/cases/validations/exclusion_validation_test.rb
index 2bef74fd6c..06ae4fbecd 100644
--- a/activemodel/test/cases/validations/exclusion_validation_test.rb
+++ b/activemodel/test/cases/validations/exclusion_validation_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_support/core_ext/numeric/time"
diff --git a/activemodel/test/cases/validations/format_validation_test.rb b/activemodel/test/cases/validations/format_validation_test.rb
index 3bde650d37..f5b1ad721c 100644
--- a/activemodel/test/cases/validations/format_validation_test.rb
+++ b/activemodel/test/cases/validations/format_validation_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/topic"
diff --git a/activemodel/test/cases/validations/i18n_generate_message_validation_test.rb b/activemodel/test/cases/validations/i18n_generate_message_validation_test.rb
index 462a2254d2..f049ee26e8 100644
--- a/activemodel/test/cases/validations/i18n_generate_message_validation_test.rb
+++ b/activemodel/test/cases/validations/i18n_generate_message_validation_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/person"
diff --git a/activemodel/test/cases/validations/i18n_validation_test.rb b/activemodel/test/cases/validations/i18n_validation_test.rb
index d6a00a6630..f28cfc0ef5 100644
--- a/activemodel/test/cases/validations/i18n_validation_test.rb
+++ b/activemodel/test/cases/validations/i18n_validation_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/person"
diff --git a/activemodel/test/cases/validations/inclusion_validation_test.rb b/activemodel/test/cases/validations/inclusion_validation_test.rb
index 537ff45626..5aa43ea4a9 100644
--- a/activemodel/test/cases/validations/inclusion_validation_test.rb
+++ b/activemodel/test/cases/validations/inclusion_validation_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "active_support/all"
diff --git a/activemodel/test/cases/validations/length_validation_test.rb b/activemodel/test/cases/validations/length_validation_test.rb
index 03e73546da..95ee87b401 100644
--- a/activemodel/test/cases/validations/length_validation_test.rb
+++ b/activemodel/test/cases/validations/length_validation_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/topic"
diff --git a/activemodel/test/cases/validations/numericality_validation_test.rb b/activemodel/test/cases/validations/numericality_validation_test.rb
index aadc825b52..c0158e075f 100644
--- a/activemodel/test/cases/validations/numericality_validation_test.rb
+++ b/activemodel/test/cases/validations/numericality_validation_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/topic"
diff --git a/activemodel/test/cases/validations/presence_validation_test.rb b/activemodel/test/cases/validations/presence_validation_test.rb
index af3d7401ed..642dd0f144 100644
--- a/activemodel/test/cases/validations/presence_validation_test.rb
+++ b/activemodel/test/cases/validations/presence_validation_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/topic"
diff --git a/activemodel/test/cases/validations/validates_test.rb b/activemodel/test/cases/validations/validates_test.rb
index fe602a2316..011033606e 100644
--- a/activemodel/test/cases/validations/validates_test.rb
+++ b/activemodel/test/cases/validations/validates_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/person"
require "models/topic"
diff --git a/activemodel/test/cases/validations/validations_context_test.rb b/activemodel/test/cases/validations/validations_context_test.rb
index 04108eb2a0..25c37a572f 100644
--- a/activemodel/test/cases/validations/validations_context_test.rb
+++ b/activemodel/test/cases/validations/validations_context_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/topic"
diff --git a/activemodel/test/cases/validations/with_validation_test.rb b/activemodel/test/cases/validations/with_validation_test.rb
index 70f1337035..5ce86738cd 100644
--- a/activemodel/test/cases/validations/with_validation_test.rb
+++ b/activemodel/test/cases/validations/with_validation_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/topic"
diff --git a/activemodel/test/cases/validations_test.rb b/activemodel/test/cases/validations_test.rb
index 83be8b26da..6647191205 100644
--- a/activemodel/test/cases/validations_test.rb
+++ b/activemodel/test/cases/validations_test.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "cases/helper"
require "models/topic"
diff --git a/activemodel/test/models/account.rb b/activemodel/test/models/account.rb
index c25d12e138..eed668d38f 100644
--- a/activemodel/test/models/account.rb
+++ b/activemodel/test/models/account.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
class Account
include ActiveModel::ForbiddenAttributesProtection
diff --git a/activemodel/test/models/blog_post.rb b/activemodel/test/models/blog_post.rb
index 2a6240fb04..46eba857df 100644
--- a/activemodel/test/models/blog_post.rb
+++ b/activemodel/test/models/blog_post.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
module Blog
def self.use_relative_model_naming?
true
diff --git a/activemodel/test/models/contact.rb b/activemodel/test/models/contact.rb
index 9853bc6234..113ab0bc1f 100644
--- a/activemodel/test/models/contact.rb
+++ b/activemodel/test/models/contact.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
class Contact
extend ActiveModel::Naming
include ActiveModel::Conversion
diff --git a/activemodel/test/models/custom_reader.rb b/activemodel/test/models/custom_reader.rb
index a6f983e3ca..dc26bb10ff 100644
--- a/activemodel/test/models/custom_reader.rb
+++ b/activemodel/test/models/custom_reader.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
class CustomReader
include ActiveModel::Validations
diff --git a/activemodel/test/models/helicopter.rb b/activemodel/test/models/helicopter.rb
index 33877e1fba..933f3c463a 100644
--- a/activemodel/test/models/helicopter.rb
+++ b/activemodel/test/models/helicopter.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
class Helicopter
include ActiveModel::Conversion
end
diff --git a/activemodel/test/models/person.rb b/activemodel/test/models/person.rb
index 94a3275514..e896e90f98 100644
--- a/activemodel/test/models/person.rb
+++ b/activemodel/test/models/person.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
class Person
include ActiveModel::Validations
extend ActiveModel::Translation
diff --git a/activemodel/test/models/person_with_validator.rb b/activemodel/test/models/person_with_validator.rb
index b32730abc1..505ed880c1 100644
--- a/activemodel/test/models/person_with_validator.rb
+++ b/activemodel/test/models/person_with_validator.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
class PersonWithValidator
include ActiveModel::Validations
diff --git a/activemodel/test/models/reply.rb b/activemodel/test/models/reply.rb
index 9a6b4864f1..3fe11043d2 100644
--- a/activemodel/test/models/reply.rb
+++ b/activemodel/test/models/reply.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "models/topic"
class Reply < Topic
diff --git a/activemodel/test/models/sheep.rb b/activemodel/test/models/sheep.rb
index f62a98777a..7aba055c4f 100644
--- a/activemodel/test/models/sheep.rb
+++ b/activemodel/test/models/sheep.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
class Sheep
extend ActiveModel::Naming
end
diff --git a/activemodel/test/models/topic.rb b/activemodel/test/models/topic.rb
index 37dc437e81..192786c096 100644
--- a/activemodel/test/models/topic.rb
+++ b/activemodel/test/models/topic.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
class Topic
include ActiveModel::Validations
include ActiveModel::Validations::Callbacks
diff --git a/activemodel/test/models/track_back.rb b/activemodel/test/models/track_back.rb
index 80c4075b00..357ee37d6d 100644
--- a/activemodel/test/models/track_back.rb
+++ b/activemodel/test/models/track_back.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
class Post
class TrackBack
def to_model
diff --git a/activemodel/test/models/user.rb b/activemodel/test/models/user.rb
index 106b487cbc..6556b1a7d9 100644
--- a/activemodel/test/models/user.rb
+++ b/activemodel/test/models/user.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
class User
extend ActiveModel::Callbacks
include ActiveModel::SecurePassword
diff --git a/activemodel/test/models/visitor.rb b/activemodel/test/models/visitor.rb
index 5bcd5d6458..22ad1a3c3d 100644
--- a/activemodel/test/models/visitor.rb
+++ b/activemodel/test/models/visitor.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
class Visitor
extend ActiveModel::Callbacks
include ActiveModel::SecurePassword
diff --git a/activemodel/test/validators/email_validator.rb b/activemodel/test/validators/email_validator.rb
index 206c3d319c..f733c45cf0 100644
--- a/activemodel/test/validators/email_validator.rb
+++ b/activemodel/test/validators/email_validator.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
class EmailValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
record.errors[attribute] << (options[:message] || "is not an email") unless
diff --git a/activemodel/test/validators/namespace/email_validator.rb b/activemodel/test/validators/namespace/email_validator.rb
index 4c37f6f3a2..8639045b0d 100644
--- a/activemodel/test/validators/namespace/email_validator.rb
+++ b/activemodel/test/validators/namespace/email_validator.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
require "validators/email_validator"
module Namespace