No need to override to_yaml and yaml_initialize methods in ActiveRecord::Core

activerecord/lib/active_record/core.rb

@@ -317,26 +317,6 @@ def inspect
       "#<#{self.class} #{inspection}>"
     end
 
-    # Hackery to accomodate Syck. Remove for 4.0.
-    def to_yaml(opts = {}) #:nodoc:
-      if !YAML::ENGINE.syck?
-        super
-      else
-        coder = {}
-        encode_with(coder)
-        YAML.quick_emit(self, opts) do |out|
-          out.map(taguri, to_yaml_style) do |map|
-            coder.each { |k, v| map.add(k, v) }
-          end
-        end
-      end
-    end
-
-    # Hackery to accomodate Syck. Remove for 4.0.
-    def yaml_initialize(tag, coder) #:nodoc:
-      init_with(coder)
-    end
-
     private
 
     # Under Ruby 1.9, Array#flatten will call #to_ary (recursively) on each of the elements