diff --git a/src/containers/TheContent.js b/src/containers/TheContent.js
deleted file mode 100644
index 0ef1844..0000000
--- a/src/containers/TheContent.js
+++ /dev/null
@@ -1,45 +0,0 @@
-import React, { Suspense } from 'react'
-import { Redirect, Route, Switch } from 'react-router-dom'
-import { CContainer } from '@coreui/react'
-
-// routes config
-import routes from '../routes'
-
-const loading = (
-  <div className="pt-3 text-center">
-    <div className="sk-spinner sk-spinner-pulse"></div>
-  </div>
-)
-
-const TheContent = () => {
-  return (
-    <main className="c-main">
-      <CContainer lg>
-        <Suspense fallback={loading}>
-          <Switch>
-            {routes.map((route, idx) => {
-              return (
-                route.component && (
-                  <Route
-                    key={idx}
-                    path={route.path}
-                    exact={route.exact}
-                    name={route.name}
-                    render={(props) => (
-                      <>
-                        <route.component {...props} />
-                      </>
-                    )}
-                  />
-                )
-              )
-            })}
-            <Redirect from="/" to="/dashboard" />
-          </Switch>
-        </Suspense>
-      </CContainer>
-    </main>
-  )
-}
-
-export default React.memo(TheContent)
diff --git a/src/containers/_nav.js b/src/containers/_nav.js
deleted file mode 100644
index 0800566..0000000
--- a/src/containers/_nav.js
+++ /dev/null
@@ -1,321 +0,0 @@
-import React from 'react'
-import CIcon from '@coreui/icons-react'
-import { NavLink } from 'react-router-dom'
-
-const _nav = [
-  {
-    _component: 'CNavItem',
-    as: NavLink,
-    anchor: 'Dashboard',
-    to: '/dashboard',
-    icon: <CIcon name="cil-speedometer" customClasses="nav-icon" />,
-    badge: {
-      color: 'info',
-      text: 'NEW',
-    },
-  },
-  {
-    _component: 'CNavTitle',
-    anchor: 'Theme',
-  },
-  {
-    _component: 'CNavItem',
-    as: NavLink,
-    anchor: 'Colors',
-    to: '/theme/colors',
-    icon: <CIcon name="cil-drop" customClasses="nav-icon" />,
-  },
-  {
-    _component: 'CNavItem',
-    as: NavLink,
-    anchor: 'Typography',
-    to: '/theme/typography',
-    icon: <CIcon name="cil-pencil" customClasses="nav-icon" />,
-  },
-  {
-    _component: 'CNavTitle',
-    anchor: 'Components',
-  },
-  {
-    _component: 'CNavGroup',
-    as: NavLink,
-    anchor: 'Base',
-    to: '/to',
-    icon: <CIcon name="cil-puzzle" customClasses="nav-icon" />,
-    items: [
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Accordion',
-        to: '/base/accordion',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Breadcrumb',
-        to: '/base/breadcrumbs',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Cards',
-        to: '/base/cards',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Carousel',
-        to: '/base/carousels',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Collapse',
-        to: '/base/collapses',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'List group',
-        to: '/base/list-groups',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Navs & Tabs',
-        to: '/base/navs',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Pagination',
-        to: '/base/paginations',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Popovers',
-        to: '/base/popovers',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Progress',
-        to: '/base/progress',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Spinners',
-        to: '/base/spinners',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Tables',
-        to: '/base/tables',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Tooltips',
-        to: '/base/tooltips',
-      },
-    ],
-  },
-  {
-    _component: 'CNavGroup',
-    anchor: 'Buttons',
-    icon: <CIcon name="cil-cursor" customClasses="nav-icon" />,
-    items: [
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Buttons',
-        to: '/buttons/buttons',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Buttons groups',
-        to: '/buttons/button-groups',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Dropdowns',
-        to: '/buttons/dropdowns',
-      },
-    ],
-  },
-  {
-    _component: 'CNavGroup',
-    anchor: 'Forms',
-    icon: <CIcon name="cil-notes" customClasses="nav-icon" />,
-    items: [
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Form Control',
-        to: '/forms/form-control',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Select',
-        to: '/forms/select',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Checks & Radios',
-        to: '/forms/checks-radios',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Range',
-        to: '/forms/range',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Input Group',
-        to: '/forms/input-group',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Floating Labels',
-        to: '/forms/floating-labels',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Layout',
-        to: '/forms/layout',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Validation',
-        to: '/forms/validation',
-      },
-    ],
-  },
-  {
-    _component: 'CNavItem',
-    as: NavLink,
-    anchor: 'Charts',
-    to: '/charts',
-    icon: <CIcon name="cil-chart-pie" customClasses="nav-icon" />,
-  },
-  {
-    _component: 'CNavGroup',
-    anchor: 'Icons',
-    icon: <CIcon name="cil-star" customClasses="nav-icon" />,
-    items: [
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'CoreUI Free',
-        to: '/icons/coreui-icons',
-        badge: {
-          color: 'success',
-          text: 'NEW',
-        },
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'CoreUI Flags',
-        to: '/icons/flags',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'CoreUI Brands',
-        to: '/icons/brands',
-      },
-    ],
-  },
-  {
-    _component: 'CNavGroup',
-    anchor: 'Notifications',
-    icon: <CIcon name="cil-bell" customClasses="nav-icon" />,
-    items: [
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Alerts',
-        to: '/notifications/alerts',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Badges',
-        to: '/notifications/badges',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Modal',
-        to: '/notifications/modals',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Toasts',
-        to: '/notifications/toasts',
-      },
-    ],
-  },
-  {
-    _component: 'CNavItem',
-    as: NavLink,
-    anchor: 'Widgets',
-    to: '/widgets',
-    icon: <CIcon name="cil-calculator" customClasses="nav-icon" />,
-    badge: {
-      color: 'info',
-      text: 'NEW',
-    },
-  },
-  {
-    _component: 'CNavTitle',
-    anchor: 'Extras',
-  },
-  {
-    _component: 'CNavGroup',
-    anchor: 'Pages',
-    icon: <CIcon name="cil-star" customClasses="nav-icon" />,
-    items: [
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Login',
-        to: '/login',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Register',
-        to: '/register',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Error 404',
-        to: '/404',
-      },
-      {
-        _component: 'CNavItem',
-        as: NavLink,
-        anchor: 'Error 500',
-        to: '/500',
-      },
-    ],
-  },
-]
-
-export default _nav
diff --git a/src/containers/index.js b/src/containers/index.js
deleted file mode 100644
index 1c00f39..0000000
--- a/src/containers/index.js
+++ /dev/null
@@ -1,17 +0,0 @@
-import AppBreadcrumb from '../components/AppBreadcrumb'
-import TheContent from './TheContent'
-import AppFooter from '../components/AppFooter'
-import AppHeader from '../components/AppHeader'
-import AppHeaderDropdown from '../components/header/AppHeaderDropdown'
-import DefaultLayout from '../layout/DefaultLayout'
-import AppSidebar from '../components/AppSidebar'
-
-export {
-  AppBreadcrumb,
-  TheContent,
-  AppFooter,
-  AppHeader,
-  AppHeaderDropdown,
-  DefaultLayout,
-  AppSidebar,
-}
diff --git a/src/polyfill.js b/src/polyfill.js
deleted file mode 100644
index ee36d18..0000000
--- a/src/polyfill.js
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * required polyfills
- */
-
-/** IE9, IE10 and IE11 requires all of the following polyfills. **/
-// import "core-js";
-// import 'core-js/features/symbol'
-// import 'core-js/features/object'
-// import 'core-js/features/function'
-// import 'core-js/features/parse-int'
-// import 'core-js/features/parse-float'
-// import 'core-js/features/number'
-// import 'core-js/features/math'
-// import 'core-js/features/string'
-// import 'core-js/features/date'
-// import 'core-js/features/array'
-// import 'core-js/features/regexp'
-// import 'core-js/features/map'
-// import 'core-js/features/weak-map'
-// import 'core-js/features/set'
-// import 'core-js/features/set/map';
-
-/** IE10 and IE11 requires the following for the Reflect API. */
-// import 'core-js/features/reflect';
-
-/** Evergreen browsers require these. **/
-// Used for reflect-metadata in JIT. If you use AOT (and only Angular decorators), you can remove.
-// import 'core-js/features/reflect'
-
-// CustomEvent() constructor functionality in IE9, IE10, IE11
-;(function () {
-  if (typeof window.CustomEvent === 'function') return false
-
-  function CustomEvent(event, params) {
-    params = params || { bubbles: false, cancelable: false, detail: undefined }
-    var evt = document.createEvent('CustomEvent')
-    evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail)
-    return evt
-  }
-
-  CustomEvent.prototype = window.Event.prototype
-
-  window.CustomEvent = CustomEvent
-})()
-
-if (!Element.prototype.matches) {
-  Element.prototype.matches =
-    Element.prototype.msMatchesSelector || Element.prototype.webkitMatchesSelector
-}
-
-if (!Element.prototype.closest) {
-  Element.prototype.closest = function (s) {
-    var el = this
-
-    do {
-      if (Element.prototype.matches.call(el, s)) return el
-      el = el.parentElement || el.parentNode
-    } while (el !== null && el.nodeType === 1)
-    return null
-  }
-}