diff --git a/sinatra-contrib/spec/json_spec.rb b/sinatra-contrib/spec/json_spec.rb
index 50ca52b4..4120aefa 100644
--- a/sinatra-contrib/spec/json_spec.rb
+++ b/sinatra-contrib/spec/json_spec.rb
@@ -33,7 +33,6 @@ end
 describe Sinatra::JSON do
   def mock_app(&block)
     super do
-      helpers Sinatra::JSON
       class_eval(&block)
     end
   end