diff --git a/static/js/proxyMapper.js b/static/js/proxyMapper.js
index cffd563..20db2dc 100644
--- a/static/js/proxyMapper.js
+++ b/static/js/proxyMapper.js
@@ -16,14 +16,8 @@
                 fillValue: 0
             };
             this.options = $.extend({}, this._default_options, options);
-            //this.result = {
-            //    dates: [],
-            //};
             this.result = {};
 
-            //for (var k in this.mapping) {
-            //    this.result[k] = [];
-            //}
             this.result.dates = [];
 
             this.mappingDate = {};
@@ -43,6 +37,9 @@
                 }
                 if (this.mapping.labels.length > 0 && this.mapping.values.length > 0) {
                     this.c_values(this.data, this.mapping.labels); // fetch values and overwrite default values
+                    for (var k in this.result) {
+                        this.result[k] = this.result[k].filter(function(n){ return n != undefined });
+                    }
                 }
             },
         
diff --git a/static/js/treeFromJson.js b/static/js/treeFromJson.js
index 91c09a9..9c74145 100644
--- a/static/js/treeFromJson.js
+++ b/static/js/treeFromJson.js
@@ -11,7 +11,6 @@
 
         var TreeFromJson = function(container, data, options) {
             this.container = container;
-            console.log(container.width());
             this._default_options = {
                 margin: {top: 20, right: 20, bottom: 20, left: 20},
                 width: container.width() > 800 ? container.width()/2 : 800,