From 1165401ee962aef0aaf81080e3e7dcab522efa40 Mon Sep 17 00:00:00 2001
From: Ryuta Kamizono <kamipo@gmail.com>
Date: Sun, 10 May 2020 03:20:02 +0900
Subject: [PATCH] Remove unused `require
 "active_support/core_ext/kernel/singleton_class"`

`singleton_class` is in Ruby 1.9.2, and there is no use singleton class
eval in the files.
---
 actionpack/lib/action_dispatch/testing/integration.rb            | 1 -
 actionview/lib/action_view/template.rb                           | 1 -
 activerecord/lib/active_record/scoping/named.rb                  | 1 -
 activesupport/lib/active_support/core_ext/class/attribute.rb     | 1 -
 .../lib/active_support/core_ext/string/output_safety.rb          | 1 -
 .../lib/active_support/deprecation/instance_delegator.rb         | 1 -
 railties/lib/rails/generators.rb                                 | 1 -
 7 files changed, 7 deletions(-)

diff --git a/actionpack/lib/action_dispatch/testing/integration.rb b/actionpack/lib/action_dispatch/testing/integration.rb
index bb6c170afd..1aef36d0cd 100644
--- a/actionpack/lib/action_dispatch/testing/integration.rb
+++ b/actionpack/lib/action_dispatch/testing/integration.rb
@@ -2,7 +2,6 @@
 
 require "stringio"
 require "uri"
-require "active_support/core_ext/kernel/singleton_class"
 require "rack/test"
 require "minitest"
 
diff --git a/actionview/lib/action_view/template.rb b/actionview/lib/action_view/template.rb
index c753c2bbb0..cf0ef74959 100644
--- a/actionview/lib/action_view/template.rb
+++ b/actionview/lib/action_view/template.rb
@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 
-require "active_support/core_ext/kernel/singleton_class"
 require "thread"
 require "delegate"
 
diff --git a/activerecord/lib/active_record/scoping/named.rb b/activerecord/lib/active_record/scoping/named.rb
index 8ffdadae54..b1fc982f72 100644
--- a/activerecord/lib/active_record/scoping/named.rb
+++ b/activerecord/lib/active_record/scoping/named.rb
@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 require "active_support/core_ext/array"
-require "active_support/core_ext/kernel/singleton_class"
 
 module ActiveRecord
   # = Active Record \Named \Scopes
diff --git a/activesupport/lib/active_support/core_ext/class/attribute.rb b/activesupport/lib/active_support/core_ext/class/attribute.rb
index 80a1955bed..25fd3780f0 100644
--- a/activesupport/lib/active_support/core_ext/class/attribute.rb
+++ b/activesupport/lib/active_support/core_ext/class/attribute.rb
@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 
-require "active_support/core_ext/kernel/singleton_class"
 require "active_support/core_ext/module/redefine_method"
 require "active_support/core_ext/array/extract_options"
 
diff --git a/activesupport/lib/active_support/core_ext/string/output_safety.rb b/activesupport/lib/active_support/core_ext/string/output_safety.rb
index d35ba40d53..635f9cf457 100644
--- a/activesupport/lib/active_support/core_ext/string/output_safety.rb
+++ b/activesupport/lib/active_support/core_ext/string/output_safety.rb
@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 require "erb"
-require "active_support/core_ext/kernel/singleton_class"
 require "active_support/core_ext/module/redefine_method"
 require "active_support/multibyte/unicode"
 
diff --git a/activesupport/lib/active_support/deprecation/instance_delegator.rb b/activesupport/lib/active_support/deprecation/instance_delegator.rb
index 8beda373a2..59dd30ae30 100644
--- a/activesupport/lib/active_support/deprecation/instance_delegator.rb
+++ b/activesupport/lib/active_support/deprecation/instance_delegator.rb
@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 
-require "active_support/core_ext/kernel/singleton_class"
 require "active_support/core_ext/module/delegation"
 
 module ActiveSupport
diff --git a/railties/lib/rails/generators.rb b/railties/lib/rails/generators.rb
index 6f6a664e6f..a864017576 100644
--- a/railties/lib/rails/generators.rb
+++ b/railties/lib/rails/generators.rb
@@ -6,7 +6,6 @@ $:.unshift(activesupport_path) if File.directory?(activesupport_path) && !$:.inc
 require "thor/group"
 require "rails/command"
 
-require "active_support/core_ext/kernel/singleton_class"
 require "active_support/core_ext/array/extract_options"
 require "active_support/core_ext/enumerable"
 require "active_support/core_ext/hash/deep_merge"