diff --git a/lib/json-schema/validators/draft3.rb b/lib/json-schema/validators/draft3.rb
index 9e79ac3b..e8d8a07c 100644
--- a/lib/json-schema/validators/draft3.rb
+++ b/lib/json-schema/validators/draft3.rb
@@ -31,8 +31,7 @@ def initialize
       end
       
       JSON::Validator.register_validator(self.new)
-      JSON::Validator.register_default_validator(self.new)
     end
     
   end
-end
\ No newline at end of file
+end