diff --git a/lib/factory_girl/proxy/attributes_for.rb b/lib/factory_girl/proxy/attributes_for.rb
index 5660a34..ae14f0c 100644
--- a/lib/factory_girl/proxy/attributes_for.rb
+++ b/lib/factory_girl/proxy/attributes_for.rb
@@ -4,7 +4,6 @@ module FactoryGirl
       def initialize(klass, callbacks = [])
         super
         @hash = {}
-        @ignored_attributes = {}
       end
 
       def get(attribute)
diff --git a/lib/factory_girl/proxy/stub.rb b/lib/factory_girl/proxy/stub.rb
index f875113..a557f79 100644
--- a/lib/factory_girl/proxy/stub.rb
+++ b/lib/factory_girl/proxy/stub.rb
@@ -6,7 +6,6 @@ module FactoryGirl
       def initialize(klass, callbacks = [])
         super
         @instance = klass.new
-        @ignored_attributes = {}
         @instance.id = next_id
         @instance.instance_eval do
           def persisted?