diff --git a/docs.html b/docs.html
deleted file mode 100644
index 88e0f0a..0000000
--- a/docs.html
+++ /dev/null
@@ -1,12 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-    <link rel="import"  href="../../bower_components/iron-component-page/iron-component-page.html">
-    <meta charset="UTF-8">
-</head>
-<body>
-
-<iron-component-page src="donutpie3dchart-datalet.html"></iron-component-page>
-
-</body>
-</html>
diff --git a/donutpie3Dchart-datalet.png b/donutpie3Dchart-datalet.png
deleted file mode 100644
index 64aa93e..0000000
--- a/donutpie3Dchart-datalet.png
+++ /dev/null
diff --git a/donutpie3dchart-datalet.html b/donutpie3dchart-datalet.html
deleted file mode 100644
index 3c9b480..0000000
--- a/donutpie3dchart-datalet.html
+++ /dev/null
@@ -1,140 +0,0 @@
-<!--
-@license
-    The MIT License (MIT)
-
-    Copyright (c) 2015 Dipartimento di Informatica - Universit� di Salerno - Italy
-
-    Permission is hereby granted, free of charge, to any person obtaining a copy
-    of this software and associated documentation files (the "Software"), to deal
-    in the Software without restriction, including without limitation the rights
-    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-    copies of the Software, and to permit persons to whom the Software is
-    furnished to do so, subject to the following conditions:
-
-    The above copyright notice and this permission notice shall be included in
-    all copies or substantial portions of the Software.
-
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-    THE SOFTWARE.
--->
-<link rel="import" href="../../bower_components/polymer/polymer.html">
-<link rel="import" href="../highcharts-datalet/highcharts-datalet.html">
-<script src="http://code.highcharts.com/highcharts-3d.js"></script>
-
-<!--
-
-`donutpie3dchart-datalet` is a donutpie3dchart datalet based on highcharts project <http://www.highcharts.com/>
-
-Example:
-
-    <donutpie3dchart-datalet>
-        data-url="http://ckan.routetopa.eu/api/action/datastore_search?resource_id=#"
-        fields='["field1","field2"]'>
-    </donutpie3dchart-datalet>
-
-@element donut3dchart-datalet
-@status v0.1
-@demo demo/index.html
-@group datalets
--->
-<dom-module id="donutpie3dchart-datalet">
-    <template>
-        <highcharts-datalet id="charts" data-url="{{dataUrl}}"  fields="{{fields}}"></highcharts-datalet>
-    </template>
-    <script>
-
-        var DonutPiechartBehavior = {
-            /**
-             * Build Highchart object
-             *
-             * @method presentData
-             */
-            presentData: function(){
-
-                var DonutPie3DSeries = [{"name": this.data[1].name, "data":[]}];
-
-                for(var i=0; i<this.data[0].data.length; i++)
-                {
-                    var DonutPie3DArr = [this.data[0].data[i], this.data[1].data[i]];
-                    DonutPie3DSeries[0].data.push(DonutPie3DArr);
-                }
-
-                var titleDataset = "";
-                //Build Highchart element
-                $(this._component.$.charts.$.container).highcharts({
-                    chart: {
-                        type: 'pie',
-                        options3d: {
-                            enabled: true,
-                            alpha: 45
-                        }
-                    },
-                    title: {
-                        text: this.properties.title
-                    },
-                    subtitle: {
-                        text: this._component.title
-                    },
-                    plotOptions: {
-                        pie: {
-                            innerSize: 100,
-                            depth: 45,
-                            allowPointSelect: true,
-                            cursor: 'pointer',
-                            dataLabels: {
-                                enabled: true,
-                                formatter: function() {
-                                    if (this.point.name.length > 10) {
-                                        return this.point.name.substr(0, 10) + "...";
-                                    } else {
-                                        return this.point.name;
-                                    }
-                                }
-                                },
-                           showInLegend: true
-                        }
-                    },
-                    //hide link HighChart
-                    credits: {
-                        enabled: false
-                    },
-                   series: DonutPie3DSeries//this.properties.series.value
-                });
-            }
-        };
-
-        var DonutPiechartComponentBehavior = $.extend(true, {}, HighchartsComponentBehavior, DonutPiechartBehavior);
-
-        DonutPiechartDatalet = Polymer({
-            is: 'donutpie3dchart-datalet',
-
-            properties: {
-                /**
-                 * It's the title of the chart
-                 *
-                 * @attribute title
-                 * @type String
-                 * @default ''
-                 */
-                title: {
-                    type: String,
-                    value: "Heading"
-                }
-            },
-            /**
-             * 'ready' callback extend the DonutPiechartComponentBehavior with HighchartsComponentBehavior and DonutPiechartBehavior
-             * and run the Datalet workcycle.
-             *
-             * @method ready
-             */
-            ready: function(){
-                DonutPiechartComponentBehavior.init(this);
-            }
-        });
-    </script>
-</dom-module>
\ No newline at end of file
