diff --git a/src/main/resources/hudson/matrix/LabelAxis/label-axis-resources.js b/src/main/resources/hudson/matrix/LabelAxis/label-axis-resources.js
deleted file mode 100644
index 5c4f2a5..0000000
--- a/src/main/resources/hudson/matrix/LabelAxis/label-axis-resources.js
+++ /dev/null
@@ -1,41 +0,0 @@
-Behaviour.specify("DIV.labelAxis-tree", 'LabelAxis', 0, function(e) {
-    var tree = new YAHOO.widget.TreeView(e);
-
-    var i18nContainer = document.querySelector(".label-axis-i18n");
-    var labels = new YAHOO.widget.TextNode(i18nContainer.getAttribute("data-i18n-labels"), tree.getRoot(), false);
-    var machines = new YAHOO.widget.TextNode(i18nContainer.getAttribute("data-i18n-individual-nodes"), tree.getRoot(), false);
-
-    var values = (e.getAttribute("values") || "").split("/");
-    function has(v) {
-        return values.includes(v) ? 'checked="checked" ' : "";
-    }
-
-    var labelAxisDataContainer = document.querySelector(".label-axis-data-container");
-    labelAxisDataContainer.childNodes.forEach(node => {
-        var labelCheckbox = node.getAttribute("data-label-checkbox");
-
-        var CHECKED_ATTR_INSERT_IDX = "<input ".length;
-        var output = [labelCheckbox.slice(0, CHECKED_ATTR_INSERT_IDX),
-            has(node.getAttribute("data-label-atom")), labelCheckbox.slice(CHECKED_ATTR_INSERT_IDX)].join('');
-        var label = node.getAttribute("data-label");
-        new YAHOO.widget.HTMLNode(output, label === "machines" ? machines : labels, false);
-    });
-
-    tree.draw();
-    /*
-      force the rendering of HTML, so that input fields are there
-      even when the form is submitted without this tree expanded.
-    */
-    tree.expandAll();
-    tree.collapseAll();
-
-    /*
-        cancel the event.
-
-        from http://yuilibrary.com/forum/viewtopic.php?f=89&t=8209&p=26239&hilit=HTMLNode#p26239
-        "To prevent toggling and allow the link to work, add a listener to the clickEvent on that tree and simply return false"
-    */
-    tree.subscribe("clickEvent", function(node) {
-        return false;
-    });
-});