diff --git a/HISTORY.md b/HISTORY.md
index c7517237..813d9318 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -7,9 +7,9 @@ http://visjs.org
 ### General
 
 - Changed the build scripts to include a transpilation of ES6 to ES5
-  (using http://6to5.org), so we can use ES6 features in the vis.js code.
+  (using http://babel.org), so we can use ES6 features in the vis.js code.
   When creating a custom bundle using browserify, one now needs to add a
-  transform step using `6to5ify`, this is described in README.md.
+  transform step using `babelify`, this is described in README.md.
 
 ### Timeline
 
diff --git a/examples/timeline/12_custom_styling.html b/examples/timeline/12_custom_styling.html
deleted file mode 100644
index c0917b63..00000000
--- a/examples/timeline/12_custom_styling.html
+++ /dev/null
@@ -1,100 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<head>
-  <title>Timeline | Custom styling</title>
-
-  <script src="../../dist/vis.js"></script>
-  <link href="../../dist/vis.css" rel="stylesheet" type="text/css" />
-
-  <style type="text/css">
-    body {
-      font-family:  purisa, 'comic sans', cursive;
-    }
-
-    .vis-timeline {
-      border: 2px solid purple;
-      font-family:  purisa, 'comic sans', cursive;
-      font-size: 12pt;
-      background: #ffecea;
-    }
-
-    .vis-item {
-      border-color: #F991A3;
-      background-color: pink;
-      font-size: 15pt;
-      color: purple;
-      box-shadow: 5px 5px 20px rgba(128,128,128, 0.5);
-    }
-
-    .vis-item,
-    .vis-item.vis-line {
-      border-width: 3px;
-    }
-
-    .vis-item.vis-dot {
-      border-width: 10px;
-      border-radius: 10px;
-    }
-
-    .vis-item.vis-selected {
-      border-color: green;
-      background-color: lightgreen;
-    }
-
-    .vis-time-axis .vis-text {
-      color: purple;
-      padding-top: 10px;
-      padding-left: 10px;
-    }
-
-    .vis-time-axis .vis-text.vis-major {
-      font-weight: bold;
-    }
-
-    .vis-time-axis .vis-grid.vis-minor {
-      border-width: 2px;
-      border-color: pink;
-    }
-
-    .vis-time-axis .vis-grid.vis-major {
-      border-width: 2px;
-      border-color: #F991A3;
-    }
-  </style>
-
-  <script src="../googleAnalytics.js"></script>
-</head>
-<body>
-
-<p>
-  The style of the Timeline can be fully customized via CSS:
-</p>
-<div id="visualization"></div>
-
-<script type="text/javascript">
-  var container = document.getElementById('visualization');
-
-  // note that months are zero-based in the JavaScript Date object
-  var items = new vis.DataSet([
-    {start: new Date(2010,7,23), content: '<div>Conversation</div><img src="img/community-users-icon.png" style="width:32px; height:32px;">'},
-    {start: new Date(2010,7,23,23,0,0), content: '<div>Mail from boss</div><img src="img/mail-icon.png" style="width:32px; height:32px;">'},
-    {start: new Date(2010,7,24,16,0,0), content: 'Report'},
-    {start: new Date(2010,7,26), end: new Date(2010,8,2), content: 'Traject A'},
-    {start: new Date(2010,7,28), content: '<div>Memo</div><img src="img/notes-edit-icon.png" style="width:48px; height:48px;">'},
-    {start: new Date(2010,7,29), content: '<div>Phone call</div><img src="img/Hardware-Mobile-Phone-icon.png" style="width:32px; height:32px;">'},
-    {start: new Date(2010,7,31), end: new Date(2010,8,3), content: 'Traject B'},
-    {start: new Date(2010,8,4,12,0,0), content: '<div>Report</div><img src="img/attachment-icon.png" style="width:32px; height:32px;">'}
-  ]);
-
-  var options = {
-    editable: true,
-    margin: {
-      item: 20,
-      axis: 40
-    }
-  };
-
-  var timeline = new vis.Timeline(container, items, options);
-</script>
-</body>
-</html>
\ No newline at end of file
