diff --git a/app/assets/javascripts/management/application.js b/app/assets/javascripts/management/application.js
index d4d7f14..8d65666 100644
--- a/app/assets/javascripts/management/application.js
+++ b/app/assets/javascripts/management/application.js
@@ -4,7 +4,6 @@
 //= require dataTables/jquery.dataTables
 //= require dataTables/bootstrap/3/jquery.dataTables.bootstrap
 //= require bootstrap-sprockets
-//= require metisMenu/metisMenu
 //= require raphael
 //= require morris
 //= require_directory .
diff --git a/app/assets/stylesheets/management/application.css.scss b/app/assets/stylesheets/management/application.css.scss
index b301831..b703034 100644
--- a/app/assets/stylesheets/management/application.css.scss
+++ b/app/assets/stylesheets/management/application.css.scss
@@ -6,7 +6,6 @@
 @import "bootstrap";
 @import "bootswatch/simplex/bootswatch";
 
-@import "metisMenu/metisMenu";
 @import "dataTables/jquery.dataTables";
 @import "dataTables/bootstrap/3/jquery.dataTables.bootstrap";
 @import "morris";
diff --git a/app/views/layouts/management/_navigation.html.slim b/app/views/layouts/management/_navigation.html.slim
index 1ba8481..b8ff6fa 100644
--- a/app/views/layouts/management/_navigation.html.slim
+++ b/app/views/layouts/management/_navigation.html.slim
@@ -28,15 +28,3 @@ nav.navigation role="navigation"
         - I18n.available_locales.each do |locale|
           li.text-center
             = link_to t("locales.#{locale}"), "?locale=#{locale}"
-  .sidebar.collapsable
-    ul.nav#side-menu
-      li class="#{controller_name == 'conferences' ? 'active' : nil}"
-        = link_to management_conferences_path
-          = icon 'group', Conference.model_name.human(count: 2).mb_chars.capitalize, class: 'fw'
-        ul.nav.nav-second-level
-          - Conference.all.each do |conference|
-            li
-              = link_to conference.title, management_conference_path(conference)
-      li class="#{controller_name == 'users' ? 'active' : nil}"
-        = link_to management_users_path
-          = icon 'user', User.model_name.human(count: 2).mb_chars.capitalize, class: 'fw'
diff --git a/vendor/assets/javascripts/metisMenu/jquery.metisMenu.js b/vendor/assets/javascripts/metisMenu/jquery.metisMenu.js
deleted file mode 100644
index 9f8d627..0000000
--- a/vendor/assets/javascripts/metisMenu/jquery.metisMenu.js
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * metismenu - v1.0.3
- * Easy menu jQuery plugin for Twitter Bootstrap 3
- * https://github.com/onokumus/metisMenu
- *
- * Made by Osman Nuri Okumuş
- * Under MIT License
- */
-;(function ($, window, document, undefined) {
-
-    var pluginName = "metisMenu",
-        defaults = {
-            toggle: true
-        };
-        
-    function Plugin(element, options) {
-        this.element = element;
-        this.settings = $.extend({}, defaults, options);
-        this._defaults = defaults;
-        this._name = pluginName;
-        this.init();
-    }
-
-    Plugin.prototype = {
-        init: function () {
-
-            var $this = $(this.element),
-                $toggle = this.settings.toggle;
-
-            if (this.isIE() <= 9) {
-                $this.find("li.active").has("ul").children("ul").collapse("show");
-                $this.find("li").not(".active").has("ul").children("ul").collapse("hide");
-            } else {
-                $this.find("li.active").has("ul").children("ul").addClass("collapse in");
-                $this.find("li").not(".active").has("ul").children("ul").addClass("collapse");
-            }
-
-            $this.find("li").has("ul").children("a").on("click", function (e) {
-                e.preventDefault();
-
-                $(this).parent("li").toggleClass("active").children("ul").collapse("toggle");
-
-                if ($toggle) {
-                    $(this).parent("li").siblings().removeClass("active").children("ul.in").collapse("hide");
-                }
-            });
-        },
-
-        isIE: function() {//https://gist.github.com/padolsey/527683
-            var undef,
-                v = 3,
-                div = document.createElement("div"),
-                all = div.getElementsByTagName("i");
-
-            while (
-                div.innerHTML = "<!--[if gt IE " + (++v) + "]><i></i><![endif]-->",
-                all[0]
-            ) {
-                return v > 4 ? v : undef;
-            }
-        }
-    };
-
-    $.fn[ pluginName ] = function (options) {
-        return this.each(function () {
-            if (!$.data(this, "plugin_" + pluginName)) {
-                $.data(this, "plugin_" + pluginName, new Plugin(this, options));
-            }
-        });
-    };
-
-})(jQuery, window, document);
diff --git a/vendor/assets/javascripts/metisMenu/metisMenu.js b/vendor/assets/javascripts/metisMenu/metisMenu.js
deleted file mode 100644
index 6daf7d4..0000000
--- a/vendor/assets/javascripts/metisMenu/metisMenu.js
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * metismenu - v1.1.1
- * Easy menu jQuery plugin for Twitter Bootstrap 3
- * https://github.com/onokumus/metisMenu
- *
- * Made by Osman Nuri Okumus
- * Under MIT License
- */
-;(function($, window, document, undefined) {
-
-    var pluginName = "metisMenu",
-        defaults = {
-            toggle: true,
-            doubleTapToGo: false
-        };
-
-    function Plugin(element, options) {
-        this.element = $(element);
-        this.settings = $.extend({}, defaults, options);
-        this._defaults = defaults;
-        this._name = pluginName;
-        this.init();
-    }
-
-    Plugin.prototype = {
-        init: function() {
-
-            var $this = this.element,
-                $toggle = this.settings.toggle,
-                obj = this;
-
-            if (this.isIE() <= 9) {
-                $this.find("li.active").has("ul").children("ul").collapse("show");
-                $this.find("li").not(".active").has("ul").children("ul").collapse("hide");
-            } else {
-                $this.find("li.active").has("ul").children("ul").addClass("collapse in");
-                $this.find("li").not(".active").has("ul").children("ul").addClass("collapse");
-            }
-
-            //add the "doubleTapToGo" class to active items if needed
-            if (obj.settings.doubleTapToGo) {
-                $this.find("li.active").has("ul").children("a").addClass("doubleTapToGo");
-            }
-
-            $this.find("li").has("ul").children("a").on("click" + "." + pluginName, function(e) {
-                e.preventDefault();
-
-                //Do we need to enable the double tap
-                if (obj.settings.doubleTapToGo) {
-
-                    //if we hit a second time on the link and the href is valid, navigate to that url
-                    if (obj.doubleTapToGo($(this)) && $(this).attr("href") !== "#" && $(this).attr("href") !== "") {
-                        e.stopPropagation();
-                        document.location = $(this).attr("href");
-                        return;
-                    }
-                }
-
-                $(this).parent("li").toggleClass("active").children("ul").collapse("toggle");
-
-                if ($toggle) {
-                    $(this).parent("li").siblings().removeClass("active").children("ul.in").collapse("hide");
-                }
-
-            });
-        },
-
-        isIE: function() { //https://gist.github.com/padolsey/527683
-            var undef,
-                v = 3,
-                div = document.createElement("div"),
-                all = div.getElementsByTagName("i");
-
-            while (
-                div.innerHTML = "<!--[if gt IE " + (++v) + "]><i></i><![endif]-->",
-                all[0]
-            ) {
-                return v > 4 ? v : undef;
-            }
-        },
-
-        //Enable the link on the second click.
-        doubleTapToGo: function(elem) {
-            var $this = this.element;
-
-            //if the class "doubleTapToGo" exists, remove it and return
-            if (elem.hasClass("doubleTapToGo")) {
-                elem.removeClass("doubleTapToGo");
-                return true;
-            }
-
-            //does not exists, add a new class and return false
-            if (elem.parent().children("ul").length) {
-                 //first remove all other class
-                $this.find(".doubleTapToGo").removeClass("doubleTapToGo");
-                //add the class on the current element
-                elem.addClass("doubleTapToGo");
-                return false;
-            }
-        },
-
-        remove: function() {
-            this.element.off("." + pluginName);
-            this.element.removeData(pluginName);
-        }
-
-    };
-
-    $.fn[pluginName] = function(options) {
-        this.each(function () {
-            var el = $(this);
-            if (el.data(pluginName)) {
-                el.data(pluginName).remove();
-            }
-            el.data(pluginName, new Plugin(this, options));
-        });
-        return this;
-    };
-
-})(jQuery, window, document);
\ No newline at end of file
diff --git a/vendor/assets/stylesheets/metisMenu/jquery.metisMenu.css b/vendor/assets/stylesheets/metisMenu/jquery.metisMenu.css
deleted file mode 100644
index a6f0481..0000000
--- a/vendor/assets/stylesheets/metisMenu/jquery.metisMenu.css
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * metismenu - v1.0.3
- * Easy menu jQuery plugin for Twitter Bootstrap 3
- * https://github.com/onokumus/metisMenu
- *
- * Made by Osman Nuri Okumuş
- * Under MIT License
- */
-.arrow {
-    float: right;
-}
-
-.glyphicon.arrow:before {
-    content: "\e079";
-}
-
-.active > a > .glyphicon.arrow:before {
-    content: "\e114";
-}
-
-.fa.arrow:before {
-    content: "\f104";
-}
-
-.active > a > .fa.arrow:before {
-    content: "\f107";
-}
-
-.plus-times {
-    float: right;
-}
-
-.fa.plus-times:before {
-    content: "\f067";
-}
-
-.active > a > .fa.plus-times {
-    filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=1);
-    -webkit-transform: rotate(45deg);
-    -moz-transform: rotate(45deg);
-    -ms-transform: rotate(45deg);
-    -o-transform: rotate(45deg);
-    transform: rotate(45deg);
-}
-
-.plus-minus {
-    float: right;
-}
-
-.fa.plus-minus:before {
-    content: "\f067";
-}
-
-.active > a > .fa.plus-minus:before {
-    content: "\f068";
-}
\ No newline at end of file
diff --git a/vendor/assets/stylesheets/metisMenu/metisMenu.css b/vendor/assets/stylesheets/metisMenu/metisMenu.css
deleted file mode 100644
index ae40032..0000000
--- a/vendor/assets/stylesheets/metisMenu/metisMenu.css
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * metismenu - v1.1.1
- * Easy menu jQuery plugin for Twitter Bootstrap 3
- * https://github.com/onokumus/metisMenu
- *
- * Made by Osman Nuri Okumus
- * Under MIT License
- */
-.arrow {
-    float: right;
-    line-height: 1.42857;
-}
-
-.glyphicon.arrow:before {
-    content: "\e079";
-}
-
-.active > a > .glyphicon.arrow:before {
-    content: "\e114";
-}
-
-
-/*
- * Require Font-Awesome
- * http://fortawesome.github.io/Font-Awesome/
-*/
-
-
-.fa.arrow:before {
-    content: "\f104";
-}
-
-.active > a > .fa.arrow:before {
-    content: "\f107";
-}
-
-.plus-times {
-    float: right;
-}
-
-.fa.plus-times:before {
-    content: "\f067";
-}
-
-.active > a > .fa.plus-times {
-    filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=1);
-    -webkit-transform: rotate(45deg);
-    -moz-transform: rotate(45deg);
-    -ms-transform: rotate(45deg);
-    -o-transform: rotate(45deg);
-    transform: rotate(45deg);
-}
-
-.plus-minus {
-    float: right;
-}
-
-.fa.plus-minus:before {
-    content: "\f067";
-}
-
-.active > a > .fa.plus-minus:before {
-    content: "\f068";
-}
\ No newline at end of file