diff --git a/app/assets/javascripts/modules/components/super-navigation-header.js b/app/assets/javascripts/modules/components/super-navigation-header.js
deleted file mode 100644
index c3ad090a2..000000000
--- a/app/assets/javascripts/modules/components/super-navigation-header.js
+++ /dev/null
@@ -1,103 +0,0 @@
-window.GOVUK = window.GOVUK || {}
-window.GOVUK.Modules = window.GOVUK.Modules || {};
-
-(function (Modules) {
-  function SuperNavigationHeader () { }
-
-  SuperNavigationHeader.prototype.start = function ($module) {
-    this.module = $module[0]
-    this.initDropDownMenu()
-    this.initShadowListener()
-  }
-
-  SuperNavigationHeader.prototype.initDropDownMenu = function () {
-    var menuLinks = this.module.querySelectorAll('.js-app-c-super-navigation-header__item-link')
-
-    for (var index = 0; index < menuLinks.length; index++) {
-      var menuLink = menuLinks[index]
-
-      var button = document.createElement('button')
-      button.innerHTML = menuLink.innerHTML
-      button.setAttribute('class', menuLink.getAttribute('class') + ' app-c-super-navigation-header__item-link--button')
-      button.setAttribute('data-target-dropdown', menuLink.getAttribute('data-target-dropdown'))
-      button.setAttribute('aria-controls', menuLink.getAttribute('data-target-dropdown'))
-      button.setAttribute('aria-expanded', 'false')
-
-      var parentElement = menuLink.parentElement
-      parentElement.insertBefore(button, menuLink)
-      parentElement.removeChild(menuLink)
-
-      button.addEventListener('click', function (e) {
-        e.preventDefault()
-        var target = e.target
-        if (!target.classList.contains('js-app-c-super-navigation-header__item-link')) {
-          target = target.parentElement
-        }
-
-        var dropdownId = target.getAttribute('data-target-dropdown')
-        var dropdown = this.module.querySelector('[data-dropdown-id=' + dropdownId + ']')
-        var dropdownBackdrop = this.module.querySelector('.app-c-super-navigation-header__dropdown-menu-full-width-backdrop')
-        var shadow = this.module.querySelector('.js-app-c-super-navigation-header__dropdown-shadow')
-        var alreadyShown = target.classList.contains('app-c-super-navigation-header__item-link--active')
-
-        if (alreadyShown) this.hideActiveDropDown()
-        else {
-          this.hideActiveDropDown(target, dropdown)
-          this.showDropDown(target, dropdown, shadow, dropdownBackdrop)
-        }
-      }.bind(this))
-    }
-  }
-
-  SuperNavigationHeader.prototype.initShadowListener = function () {
-    var shadow = this.module.querySelector('.js-app-c-super-navigation-header__dropdown-shadow')
-
-    shadow.addEventListener('click', function (e) {
-      this.hideActiveDropDown()
-    }.bind(this))
-  }
-
-  SuperNavigationHeader.prototype.showDropDown = function (target, dropdown, shadow, dropdownBackdrop) {
-    dropdown.classList.add('app-c-super-navigation-header__dropdown-menu--active')
-    shadow.classList.add('app-c-super-navigation-header__dropdown-shadow--active')
-    target.classList.add('app-c-super-navigation-header__item-link--active')
-    target.setAttribute('aria-expanded', 'true')
-    dropdownBackdrop.style.height = dropdown.offsetHeight.toString() + 'px'
-    dropdownBackdrop.classList.add('app-c-super-navigation-header__dropdown-menu-full-width-backdrop--active')
-  }
-
-  SuperNavigationHeader.prototype.hideActiveDropDown = function (newTarget, newTargetDropdown) {
-    // shadow
-    if (!newTarget || !newTargetDropdown) {
-      var activeShadow = this.module.querySelector('.app-c-super-navigation-header__dropdown-shadow--active')
-      if (activeShadow) activeShadow.classList.remove('app-c-super-navigation-header__dropdown-shadow--active')
-    }
-
-    // nav link
-    var navLinks = this.module.querySelectorAll('.app-c-super-navigation-header__item-link--active')
-    for (var index = 0; index < navLinks.length; index++) {
-      var navLink = navLinks[index]
-      if (!newTarget || navLinks !== newTarget) {
-        navLink.classList.remove('app-c-super-navigation-header__item-link--active')
-        navLink.setAttribute('aria-expanded', 'false')
-      }
-    }
-
-    // dropdown menu
-    var dropDownMenus = this.module.querySelectorAll('.app-c-super-navigation-header__dropdown-menu--active')
-    for (var menuIndex = 0; menuIndex < dropDownMenus.length; menuIndex++) {
-      var dropDown = dropDownMenus[menuIndex]
-      if (!newTargetDropdown || dropDown !== newTargetDropdown) {
-        dropDown.classList.remove('app-c-super-navigation-header__dropdown-menu--active')
-      }
-    }
-
-    // dropdown backdrop
-    if (!newTarget || !newTargetDropdown) {
-      this.module.querySelector('.app-c-super-navigation-header__dropdown-menu-full-width-backdrop')
-        .classList.remove('app-c-super-navigation-header__dropdown-menu-full-width-backdrop--active')
-    }
-  }
-
-  Modules.SuperNavigationHeader = SuperNavigationHeader
-})(window.GOVUK.Modules)
diff --git a/app/assets/stylesheets/components/_super-navigation-header.scss b/app/assets/stylesheets/components/_super-navigation-header.scss
deleted file mode 100644
index 3ab4c72b4..000000000
--- a/app/assets/stylesheets/components/_super-navigation-header.scss
+++ /dev/null
@@ -1,329 +0,0 @@
-$breakpoint: 769px;
-$header-height: 55px;
-$logo-padding-visually-centered: (govuk-spacing(2) + 4) 0 govuk-spacing(2) govuk-spacing(3);
-$header-z-index-level-1: 20;
-$header-z-index-level-2: 21;
-$header-z-index-level-3: 22;
-
-.app-c-super-navigation-header,
-.app-c-super-navigation-header__container {
-  border-bottom: 0;
-  margin-bottom: 0;
-  padding-top: 0;
-  z-index: $header-z-index-level-3;
-}
-
-.app-c-super-navigation-header__container.govuk-width-container {
-  margin-left: 0;
-  margin-right: 0;
-
-  @include govuk-media-query($from: $breakpoint) {
-    margin-left: auto;
-    margin-right: auto;
-  }
-}
-
-.app-c-super-navigation-header__header-logo {
-  padding: $logo-padding-visually-centered;
-  margin-bottom: 0;
-
-  @include govuk-media-query($from: $breakpoint) {
-    padding-left: 0;
-  }
-}
-
-.app-c-super-navigation-header__content {
-  @include govuk-media-query($from: $breakpoint) {
-    text-align: right;
-  }
-}
-
-.app-c-super-navigation-header__content .govuk-header__navigation--open {
-  height: 200vh;
-
-  @include govuk-media-query($from: $breakpoint) {
-    height: auto;
-  }
-}
-
-.app-c-super-navigation-header__items {
-  margin-bottom: 0;
-
-  @include govuk-media-query($from: $breakpoint) {
-    padding: 0;
-  }
-
-  &.govuk-header__navigation {
-    @include govuk-media-query($from: $breakpoint) {
-      display: flex;
-      justify-content: flex-end;
-    }
-  }
-}
-
-.app-c-super-navigation-header__item {
-  display: flex;
-  margin-right: 0;
-  padding: 0;
-  flex-direction: column;
-  border-bottom: 1px solid $govuk-border-colour;
-
-  @include govuk-media-query($from: $breakpoint) {
-    display: inline-flex;
-    flex-direction: row;
-    border-bottom: none;
-  }
-}
-
-.app-c-super-navigation-header__item-link {
-  padding: govuk-spacing(4) 0;
-
-  @include govuk-media-query($from: $breakpoint) {
-    padding: govuk-spacing(3) + 2;
-    width: auto;
-  }
-}
-
-.app-c-super-navigation-header__item-icon {
-  display: none;
-}
-
-// Search
-
-.app-c-super-navigation-header__item--search {
-  @include govuk-media-query($from: $breakpoint) {
-    height: $header-height;
-    width: $header-height;
-    padding: 0;
-    margin-right: govuk-spacing(3);
-    background-color: govuk-colour('blue');
-  }
-}
-
-.app-c-super-navigation-header__item-link--search {
-  @include govuk-media-query($from: $breakpoint) {
-    background-image: image-url("search-icon.svg");
-    background-position: 50%;
-    background-size: 35%;
-    background-repeat: no-repeat;
-    display: inherit;
-    width: $header-height;
-
-    &:focus,
-    &.app-c-super-navigation-header__item-link--active {
-      background-image: image-url("search-icon--black.svg");
-    }
-  }
-}
-
-.app-c-super-navigation-header__item-link-text--search {
-  @include govuk-media-query($from: $breakpoint) {
-    display: block;
-    text-indent: -5000px;
-    overflow: hidden;
-  }
-}
-
-.app-c-super-navigation-header__menu-button {
-  font-size: 19px;
-  font-weight: bold;
-  line-height: 1.3;
-  border-left: 1px solid govuk-colour("mid-grey");
-  padding: govuk-spacing(3) govuk-spacing(4);
-  top: 0;
-}
-
-// Dropdown styling
-
-.app-c-super-navigation-header__menu-button.govuk-header__menu-button--open {
-  background-color: govuk-colour("white");
-  color: govuk-colour("black");
-}
-
-.app-c-super-navigation-header__dropdown-menu {
-  display: none;
-  background-color: govuk-colour('light-grey');
-  width: 100%;
-  z-index: $header-z-index-level-3;
-  padding: govuk-spacing(3) 0;
-
-  @include govuk-media-query($from: $breakpoint) {
-    padding: govuk-spacing(8) 0;
-    background-color: govuk-colour('white');
-  }
-
-  &.app-c-super-navigation-header__dropdown-menu--active {
-    display: block;
-  }
-}
-
-.app-c-super-navigation-header__dropdown-menu--inline {
-  @include govuk-media-query($from: $breakpoint) {
-    position: absolute;
-    top: 100%;
-    width: 100%;
-    right: 0;
-    left: 0;
-    text-align: left;
-  }
-}
-
-.app-c-super-navigation-header__dropdown-menu-full-width-backdrop {
-  display: none;
-  height: 550px;
-  background: govuk-colour('white');
-  z-index: $header-z-index-level-2;
-  width: 100%;
-  position: absolute;
-}
-
-.app-c-super-navigation-header__dropdown-menu-full-width-backdrop--active {
-  @include govuk-media-query($from: $breakpoint) {
-    display: block;
-  }
-}
-
-.app-c-super-navigation-header__dropdown-menu .app-c-super-navigation-header__dropdown-list-item {
-  margin-bottom: govuk-spacing(4);
-  min-height: govuk-spacing(6);
-}
-
-.app-c-super-navigation-header__dropdown-list-item .app-c-super-navigation-header__dropdown-list-item-link {
-  @include govuk-font(27, $weight: bold);
-
-  @include govuk-media-query($from: $breakpoint) {
-    @include govuk-font(19, $weight: bold);
-  }
-}
-
-.app-c-super-navigation-header__dropdown-list-item-description {
-  min-height: govuk-spacing(7);
-}
-
-.app-c-super-navigation-header__dropdown-menu--search .app-c-super-navigation-header__dropdown-list-item {
-  min-height: govuk-spacing(7);
-}
-
-.app-c-super-navigation-header__dropdown-shadow {
-  display: none;
-  position: fixed;
-  top: -$header-height;
-  width: 200vw;
-  height: 120vh;
-  background: govuk-colour("black");
-  opacity: .8;
-  z-index: $header-z-index-level-1;
-
-  &.app-c-super-navigation-header__dropdown-shadow--active {
-    display: none;
-
-    @include govuk-media-query($from: $breakpoint) {
-      display: block;
-    }
-  }
-}
-
-// JS Enabled Styling
-
-.js-enabled .app-c-super-navigation-header__content {
-  background-color: govuk-colour('white');
-
-  @include govuk-media-query($from: $breakpoint) {
-    text-align: right;
-    background-color: govuk-colour('black');
-  }
-}
-
-.js-enabled .app-c-super-navigation-header__item-link {
-  @include govuk-font(27, $weight: bold);
-
-  color: $govuk-link-colour;
-  text-decoration: underline;
-  padding: govuk-spacing(6) govuk-spacing(3);
-
-  .app-c-super-navigation-header__item-icon--white {
-    display: none;
-  }
-
-  .app-c-super-navigation-header__item-icon--black {
-    display: inline;
-  }
-
-  @include govuk-media-query($from: $breakpoint) {
-    @include govuk-font(16, $weight: bold);
-
-    color: govuk-colour('white');
-    padding: govuk-spacing(3) + 2;
-    text-decoration: none;
-
-    .app-c-super-navigation-header__item-icon--white {
-      display: inline;
-    }
-
-    .app-c-super-navigation-header__item-icon--black {
-      display: none;
-    }
-
-    &:focus {
-      @include govuk-focused-text;
-
-      .app-c-super-navigation-header__item-icon--white {
-        display: none;
-      }
-
-      .app-c-super-navigation-header__item-icon--black {
-        display: inline;
-      }
-    }
-  }
-}
-
-.js-enabled .app-c-super-navigation-header__item-link--button {
-  border: none;
-  background-color: inherit;
-  text-align: left;
-}
-
-.js-enabled .app-c-super-navigation-header__item-link--active {
-  color: govuk-colour('black');
-  background-color: govuk-colour('light-grey');
-
-  &:visited,
-  &:link {
-    color: govuk-colour('black');
-  }
-
-  .app-c-super-navigation-header__item-icon--white {
-    display: none;
-  }
-
-  .app-c-super-navigation-header__item-icon--black {
-    display: inline;
-  }
-
-  @include govuk-media-query($from: $breakpoint) {
-    background-color: govuk-colour('white');
-  }
-}
-
-.js-enabled .app-c-super-navigation-header__item-icon {
-  display: inline;
-  position: absolute;
-  right: 0;
-  padding-right: govuk-spacing(3);
-  padding-top: govuk-spacing(1);
-  width: govuk-spacing(3);
-
-  @include govuk-media-query($from: $breakpoint) {
-    padding-left: govuk-spacing(1);
-    padding-right: 0;
-    padding-top: 0;
-    position: relative;
-    right: none;
-    width: auto;
-  }
-}
-
-.js-enabled .app-c-super-navigation-header__item-icon--black {
-  display: none;
-}