diff --git a/lib/application.js b/lib/application.js
index 3d0683d..bf28587 100644
--- a/lib/application.js
+++ b/lib/application.js
@@ -118,7 +118,6 @@ function *respond(next){
 
   yield next;
 
-  var app = this.app;
   var res = this.res;
   var body = this.body;
   var head = 'HEAD' == this.method;