diff --git a/server/lib/train.js b/server/lib/train.js
index 6cba61e..20b0744 100644
--- a/server/lib/train.js
+++ b/server/lib/train.js
@@ -9,7 +9,7 @@ const trainCache = {
   'data': {}
 };
 
-logger.level = 'debug';
+// logger.level = 'debug';
 
 function getTrainTimes(req, res) {
   // console.log(req);
diff --git a/src/js/app.js b/src/js/app.js
index 3b6c073..b1068ee 100644
--- a/src/js/app.js
+++ b/src/js/app.js
@@ -62,7 +62,7 @@ const { RouteModel, RouteView } = require('./route');
     console.log(modalView);
     const html = modalView.render().el;
     $('.app').html(html);
-    let $modalContent = $('#modalContent');
+    const $modalContent = $('#modalContent');
     $modalContent.html(d.d);
   }, this);
 
@@ -78,12 +78,12 @@ const { RouteModel, RouteView } = require('./route');
     }
   };
 
-  /*  if ('serviceWorker' in navigator)
+  if ('serviceWorker' in navigator)
     navigator.serviceWorker
       .register('./service-worker.js')
       .then(function() {
         console.log('Service Worker Registered');
-      });*/
+      });
 
   app.createViews();
 })();