1 files changed, 0 insertions, 63 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/extending.rb b/activesupport/lib/active_support/core_ext/object/extending.rb
deleted file mode 100644
index b8b6970382..0000000000
--- a/activesupport/lib/active_support/core_ext/object/extending.rb
+++ /dev/null
@@ -1,63 +0,0 @@
-require 'active_support/core_ext/class/removal'
-require 'active_support/core_ext/object/blank'
-
-class Class
-  # Rubinius
-  if defined?(Class.__subclasses__)
-    def descendents
-      subclasses = []
-      __subclasses__.each {|k| subclasses << k; subclasses.concat k.descendents }
-      subclasses
-    end
-  else
-    # MRI
-    begin
-      ObjectSpace.each_object(Class.new) {}
-
-      def descendents
-        subclasses = []
-        ObjectSpace.each_object(class << self; self; end) do |k|
-          subclasses << k unless k == self
-        end
-        subclasses
-      end
-    # JRuby
-    rescue StandardError
-      def descendents
-        subclasses = []
-        ObjectSpace.each_object(Class) do |k|
-          subclasses << k if k < self
-        end
-        subclasses.uniq!
-        subclasses
-      end
-    end
-  end
-end
-
-class Object
-  def remove_subclasses_of(*superclasses) #:nodoc:
-    Class.remove_class(*subclasses_of(*superclasses))
-  end
-
-  # Exclude this class unless it's a subclass of our supers and is defined.
-  # We check defined? in case we find a removed class that has yet to be
-  # garbage collected. This also fails for anonymous classes -- please
-  # submit a patch if you have a workaround.
-  def subclasses_of(*superclasses) #:nodoc:
-    subclasses = []
-    superclasses.each do |klass|
-      subclasses.concat klass.descendents.select {|k| k.name.blank? || k.reachable?}
-    end
-    subclasses
-  end
-
-  def extended_by #:nodoc:
-    ancestors = class << self; ancestors end
-    ancestors.select { |mod| mod.class == Module } - [ Object, Kernel ]
-  end
-
-  def extend_with_included_modules_from(object) #:nodoc:
-    object.extended_by.each { |mod| extend mod }
-  end
-end