merge_with_conditions is not necessary because the conditions will already be in the scope_for_create hash in the scope

Author: jonleighton

activerecord/lib/active_record/associations/has_one_association.rb

@@ -4,21 +4,18 @@ module Associations
     class HasOneAssociation < AssociationProxy #:nodoc:
       def create(attrs = {})
         new_record do |reflection|
-          attrs = merge_with_conditions(attrs)
           reflection.create_association(attrs)
         end
       end
 
       def create!(attrs = {})
         new_record do |reflection|
-          attrs = merge_with_conditions(attrs)
           reflection.create_association!(attrs)
         end
       end
 
       def build(attrs = {})
         new_record do |reflection|
-          attrs = merge_with_conditions(attrs)
           reflection.build_association(attrs)
         end
       end
@@ -77,12 +74,6 @@ def new_record
           replace(record, true)
           record
         end
-
-        def merge_with_conditions(attrs={})
-          attrs ||= {}
-          attrs.update(@reflection.options[:conditions]) if @reflection.options[:conditions].is_a?(Hash)
-          attrs
-        end
     end
   end
 end