Use Object#singleton_class instead of #metaclass. Prefer Ruby's choice.

3 files changed, 5 insertions, 5 deletions

diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index ef5a7d5787..83f0b58e8a 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -11,7 +11,7 @@ require 'active_support/core_ext/hash/deep_merge'
 require 'active_support/core_ext/hash/indifferent_access'
 require 'active_support/core_ext/hash/slice'
 require 'active_support/core_ext/string/behavior'
-require 'active_support/core_ext/object/metaclass'
+require 'active_support/core_ext/object/singleton_class'
 require 'active_support/core_ext/module/delegation'
 
 module ActiveRecord #:nodoc:
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index 068d2a25b2..fd5ffc6d77 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -1,4 +1,4 @@
-require 'active_support/core_ext/object/metaclass'
+require 'active_support/core_ext/object/singleton_class'
 
 module ActiveRecord
   # Exception that can be raised to stop migrations from going backwards.
@@ -303,7 +303,7 @@ module ActiveRecord
 
           case sym
             when :up, :down
-              metaclass.send(:alias_method_chain, sym, "benchmarks")
+              singleton_class.send(:alias_method_chain, sym, "benchmarks")
           end
         ensure
           @ignore_new_methods = false
diff --git a/activerecord/lib/active_record/named_scope.rb b/activerecord/lib/active_record/named_scope.rb
index ff6c041ef4..f1f56850ae 100644
--- a/activerecord/lib/active_record/named_scope.rb
+++ b/activerecord/lib/active_record/named_scope.rb
@@ -1,6 +1,6 @@
 require 'active_support/core_ext/array'
 require 'active_support/core_ext/hash/except'
-require 'active_support/core_ext/object/metaclass'
+require 'active_support/core_ext/object/singleton_class'
 
 module ActiveRecord
   module NamedScope
@@ -112,7 +112,7 @@ module ActiveRecord
               options.call(*args)
           end, &block)
         end
-        metaclass.instance_eval do
+        singleton_class.instance_eval do
           define_method name do |*args|
             scopes[name].call(self, *args)
           end