diff --git a/assets/js/sidebar.js b/assets/js/sidebar.js
index dd0ea5b..5cc1267 100644
--- a/assets/js/sidebar.js
+++ b/assets/js/sidebar.js
@@ -6,15 +6,15 @@
       // Collapsed class
       collapsedClass: 'is-collapsed',
 
-      // Storage key
-      storageKey: '_sassdoc_sidebar_index',
-
       // Index attribute
       indexAttribute: 'data-slug',
 
       // Toggle button
       toggleBtn: '.js-btn-toggle',
 
+      // Initial collapse
+      initialCollapse: true,
+
       // Automatic initialization
       init: true
     }, conf || {});
@@ -30,22 +30,10 @@
   Sidebar.prototype.initialize = function () {
     this.conf.nodes = $('[' + this.conf.indexAttribute + ']');
 
-    this.load();
-    this.updateDOM();
+    this.index = this.buildIndex();
     this.bind();
   };
 
-  /**
-   * Load data from storage or create fresh index
-   */
-  Sidebar.prototype.load = function () {
-    var index = 'localStorage' in global ?
-      global.localStorage.getItem(this.conf.storageKey) :
-      null;
-
-    this.index = index ? JSON.parse(index) : this.buildIndex();
-  };
-
   /**
    * Build a fresh index
    */
@@ -62,44 +50,16 @@
     return index;
   };
 
-  /**
-   * Update DOM based on index
-   */
-  Sidebar.prototype.updateDOM = function () {
-    var item;
-
-    for (item in this.index) {
-      if (this.index[item] === false) {
-        $('[' + this.conf.indexAttribute + '="' + item + '"]').addClass(this.conf.collapsedClass);
-      }
-    }
-  };
-
-  /**
-   * Save index in storage
-   */
-  Sidebar.prototype.save = function () {
-    if (!('localStorage' in global)) {
-      return;
-    }
-
-    global.localStorage.setItem(this.conf.storageKey, JSON.stringify(this.index));
-  };
-
   /**
    * Bind UI events
    */
   Sidebar.prototype.bind = function () {
     var $item, slug, fn, text;
+    var $toggleBtn = $(this.conf.toggleBtn);
     var collapsed = false;
 
-    // Save index in localStorage
-    global.onbeforeunload = $.proxy(function () {
-      this.save();
-    }, this);
-
     // Toggle all
-    $(this.conf.toggleBtn).on('click', $.proxy(function (event) {
+    $toggleBtn.on('click', $.proxy(function (event) {
       $node = $(event.target);
 
       text = $node.attr('data-alt');
@@ -118,9 +78,12 @@
       }, this));
 
       collapsed = !collapsed;
-      this.save();
     }, this));
 
+    if (this.conf.initialCollapse !== false) {
+      $toggleBtn.trigger('click');
+    }
+
     // Toggle item
     this.conf.nodes.on('click', $.proxy(function (event) {
       $item = $(event.target);