diff --git a/lib/active_model/serializer.rb b/lib/active_model/serializer.rb
index 5aef7812..b4d1c9ed 100644
--- a/lib/active_model/serializer.rb
+++ b/lib/active_model/serializer.rb
@@ -504,9 +504,7 @@ module ActiveModel
       hash
     end
 
-    def read_attribute_for_serialization(name)
-      send name
-    end
+    alias :read_attribute_for_serialization :send
   end
 end
 
diff --git a/test/test_helper.rb b/test/test_helper.rb
index a540cca5..1ab0e162 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -34,3 +34,7 @@ ActiveSupport::TestCase.class_eval do
     @routes = ::TestHelper::Routes
   end
 end
+
+class Object
+  undef_method :id if respond_to?(:id)
+end
\ No newline at end of file