diff --git a/demo/static/demo.js b/demo/static/demo.js
index 47501e630..ef9169f0e 100644
--- a/demo/static/demo.js
+++ b/demo/static/demo.js
@@ -136,7 +136,7 @@
   var params = {
     host: "localhost",
     port: "7474",
-    connections: 16,
+    connections: 1,
     duration: 1,
     queries: queries
   };
@@ -274,7 +274,6 @@
   }
 
   // graph init
-  var data = [];
   var chart;
   var chartData;
   nv.addGraph(function() {
@@ -296,7 +295,7 @@
     chart.forceY([0, 50000]);
 
     chartData = d3.select('#chart svg')
-      .datum(data);
+      .datum([]);
     chartData.call(chart);
 
     chart.update();
diff --git a/demo/worker/worker_web_service.py b/demo/worker/worker_web_service.py
index ac3f91a63..35264cfa6 100644
--- a/demo/worker/worker_web_service.py
+++ b/demo/worker/worker_web_service.py
@@ -134,5 +134,5 @@ class WorkerWebService(WebService):
         for param in param_names:
             if param in data:
                 self.params_data[param] = data[param]
-        print(self.params_data)
+
         return self.params_get()