diff --git a/modules/islandora_advanced_search/islandora_advanced_search.module b/modules/islandora_advanced_search/islandora_advanced_search.module
index 7bae23cd..f08dd346 100644
--- a/modules/islandora_advanced_search/islandora_advanced_search.module
+++ b/modules/islandora_advanced_search/islandora_advanced_search.module
@@ -13,51 +13,13 @@
  */
 
 use Drupal\block\Entity\Block;
-use Drupal\Component\Utility\Unicode;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\islandora_advanced_search\AdvancedSearchQuery;
-use Drupal\islandora_advanced_search\Form\SettingsForm;
 use Drupal\islandora_advanced_search\Utilities;
 use Drupal\search_api\Query\QueryInterface as DrupalQueryInterface;
 use Drupal\views\ViewExecutable;
 use Solarium\Core\Query\QueryInterface as SolariumQueryInterface;
 
-/**
- * Implements hook_theme().
- */
-function islandora_advanced_search_theme() {
-  return [
-    'facets_item_list__include_exclude_links' => [
-      'template' => 'facets/facets-item-list--include-exclude-links',
-      'base hook' => 'facets_item_list',
-    ],
-    'facets_result_item__include_exclude_links' => [
-      'template' => 'facets/facets-result-item--include-exclude-links',
-      'base hook' => 'facets_result_item',
-    ],
-    'facets_result_item__summary' => [
-      'template' => 'facets/facets-result-item--summary',
-      'base hook' => 'facets_result_item',
-    ],
-  ];
-}
-
-/**
- * Implements hook_library_info_alter().
- */
-function islandora_advanced_search_library_info_alter(&$libraries, $extension) {
-  if ($extension == 'facets') {
-    // Override facets module javascript with customizations.
-    $path = '/' . \Drupal::service('extension.list.module')->getPath('islandora_advanced_search') . '/js/facets';
-    $libraries['soft-limit']['js'] = [
-      "$path/soft-limit.js" => [],
-    ];
-    $libraries['drupal.facets.views-ajax']['js'] = [
-      "$path/facets-views-ajax.js" => [],
-    ];
-  }
-}
-
 /**
  * Implements hook_search_api_solr_converted_query_alter().
  */
@@ -99,20 +61,6 @@ function islandora_advanced_search_form_block_form_alter(&$form, FormStateInterf
   $form['visibility'][$condition_id] = $condition_form;
 }
 
-/**
- * Implements hook_preprocess_block__facets_summary().
- */
-function islandora_advanced_search_preprocess_block__facets_summary(&$variables) {
-  // Copy data-attributes to the content as the javascript expects
-  // there to be no elements between the data declaration and the
-  // content of the block.
-  foreach ($variables['attributes'] as $key => $value) {
-    if (substr($key, 0, 4) === "data") {
-      $variables['content_attributes'][$key] = $value;
-    }
-  }
-}
-
 /**
  * Implements hook_preprocess_preprocess_views_view().
  */
@@ -139,53 +87,3 @@ function islandora_advanced_search_views_pre_view(ViewExecutable $view, $display
   $advanced_search_query = new AdvancedSearchQuery();
   $advanced_search_query->alterView(\Drupal::request(), $view, $display_id);
 }
-
-/**
- * Implements hook_preprocess_facets_summary_item_list().
- */
-function islandora_advanced_search_preprocess_facets_summary_item_list(&$variables) {
-  foreach ($variables['items'] as &$item) {
-    $item['attributes']['class'][] = 'facet-summary-item';
-  }
-}
-
-/**
- * Implements hook_preprocess_facets_item_list().
- */
-function islandora_advanced_search_preprocess_facets_item_list(&$variables) {
-  $widget = $variables['facet']->getWidget();
-  $soft_limit = $widget['config']['soft_limit'];
-  // Break into two groups less / more which can display be toggled as a single
-  // element change rather than showing / hiding all <li> elements individually.
-  // As its slow and causes the page to snap when loading.
-  $variables['less'] = array_slice($variables['items'], 0, $soft_limit);
-  $variables['more'] = array_slice($variables['items'], $soft_limit);
-  $variables['show_more_label'] = $widget['config']['soft_limit_settings']['show_more_label'];
-}
-
-/**
- * Implements hook_preprocess_facets_result_item().
- */
-function islandora_advanced_search_preprocess_facets_result_item(&$variables) {
-  $settings = \Drupal::config(SettingsForm::CONFIG_NAME);
-  $length = $settings->get(SettingsForm::FACET_TRUNCATE);
-  if (is_numeric($length)) {
-    // Limit the length of facets display to at most 32 characters.
-    if (is_string($variables['value'])) {
-      $variables['value'] = Unicode::truncate(
-        $variables['value'],
-        $length,
-        TRUE,
-        TRUE
-      );
-    }
-    elseif (is_string($variables['value']['text']['#title'])) {
-      $variables['value']['text']['#title'] = Unicode::truncate(
-        $variables['value']['text']['#title'],
-        $length,
-        TRUE,
-        TRUE
-          );
-    }
-  }
-}
diff --git a/modules/islandora_advanced_search/js/facets/facets-views-ajax.js b/modules/islandora_advanced_search/js/facets/facets-views-ajax.js
deleted file mode 100644
index 0b04ea33..00000000
--- a/modules/islandora_advanced_search/js/facets/facets-views-ajax.js
+++ /dev/null
@@ -1,147 +0,0 @@
-//# sourceURL=modules/contrib/islandora/modules/islandora_advanced_search/js/facets/facets-view.ajax.js
-/**
- * @file
- * Overrides the facets-view-ajax.js behavior from the 'facets' module.
- */
-(function ($, Drupal) {
-  "use strict";
-
-  // Generate events on push state.
-  (function (history) {
-    var pushState = history.pushState;
-    history.pushState = function (state, title, url) {
-      var ret = pushState.apply(this, arguments);
-      var event = new Event("pushstate");
-      window.dispatchEvent(event);
-      return ret;
-    };
-  })(window.history);
-
-  function reload(url) {
-    // Update View.
-    if (drupalSettings && drupalSettings.views && drupalSettings.views.ajaxViews) {
-      var view_path = drupalSettings.views.ajax_path;
-      $.each(drupalSettings.views.ajaxViews, function (views_dom_id) {
-        var views_parameters = Drupal.Views.parseQueryString(url);
-        var views_arguments = Drupal.Views.parseViewArgs(url, "search");
-        var views_settings = $.extend(
-          {},
-          Drupal.views.instances[views_dom_id].settings,
-          views_arguments,
-          views_parameters
-        );
-        var views_ajax_settings =
-          Drupal.views.instances[views_dom_id].element_settings;
-        views_ajax_settings.submit = views_settings;
-        views_ajax_settings.url =
-          view_path + "?" + $.param(Drupal.Views.parseQueryString(url));
-        Drupal.ajax(views_ajax_settings).execute();
-      });
-    }
-
-    // Replace filter, pager, summary, and facet blocks.
-    var blocks = {};
-    $(
-      ".block[class*='block-plugin-id--islandora-advanced-search-result-pager'], .block[class*='block-plugin-id--views-exposed-filter-block'], .block[class*='block-plugin-id--facet']"
-    ).each(function () {
-      var id = $(this).attr("id");
-      var block_id = id
-        .slice("block-".length, id.length)
-        .replace(/--.*$/g, "")
-        .replace(/-/g, "_");
-      blocks[block_id] = "#" + id;
-    });
-    Drupal.ajax({
-      url: Drupal.url("islandora-advanced-search-ajax-blocks"),
-      submit: {
-        link: url,
-        blocks: blocks,
-      },
-    }).execute();
-  }
-
-  // On location change reload all the blocks / ajax view.
-  window.addEventListener("pushstate", function (e) {
-    reload(window.location.href);
-  });
-
-  window.addEventListener("popstate", function (e) {
-    if (e.state != null) {
-      reload(window.location.href);
-    }
-  });
-
-  /**
-   * Push state on form/pager/facet change.
-   */
-  Drupal.behaviors.islandoraAdvancedSearchViewsAjax = {
-    attach: function (context, settings) {
-      window.historyInitiated = true;
-
-      // Remove existing behavior from form.
-      if (settings && settings.views && settings.views.ajaxViews) {
-        $.each(settings.views.ajaxViews, function (index, settings) {
-          var exposed_form = $(
-            "form#views-exposed-form-" +
-            settings.view_name.replace(/_/g, "-") +
-            "-" +
-            settings.view_display_id.replace(/_/g, "-")
-          );
-          exposed_form
-            .once()
-            .find("input[type=submit], input[type=image]")
-            .not("[data-drupal-selector=edit-reset]")
-            .each(function (index) {
-              $(this).unbind("click");
-              $(this).click(function (e) {
-                // Let ctrl/cmd click open in a new window.
-                if (e.shiftKey || e.ctrlKey || e.metaKey) {
-                  return;
-                }
-                e.preventDefault();
-                e.stopPropagation();
-                var href = window.location.href;
-                var params = Drupal.Views.parseQueryString(href);
-                // Remove the page if set as submitting the form should always take
-                // the user to the first page (facets do the same).
-                delete params.page;
-                // Include values from the form in the URL.
-                $.each(exposed_form.serializeArray(), function () {
-                  params[this.name] = this.value;
-                });
-                href = href.split("?")[0] + "?" + $.param(params);
-                window.history.pushState(null, document.title, href);
-              });
-            });
-        });
-      }
-
-      // Attach behavior to pager, summary, facet links.
-      $("[data-drupal-pager-id], [data-drupal-facets-summary-id], [data-drupal-facet-id]")
-        .once()
-        .find("a:not(.facets-soft-limit-link)")
-        .click(function (e) {
-          // Let ctrl/cmd click open in a new window.
-          if (e.shiftKey || e.ctrlKey || e.metaKey) {
-            return;
-          }
-          e.preventDefault();
-          window.history.pushState(null, document.title, $(this).attr("href"));
-        });
-
-      // Trigger on sort change.
-      $('[data-drupal-pager-id] select[name="order"]')
-        .once()
-        .change(function () {
-          var href = window.location.href;
-          var params = Drupal.Views.parseQueryString(href);
-          var selection = $(this).val();
-          var option = $('option[value="' + selection + '"]');
-          params.sort_order = option.data("sort_order");
-          params.sort_by = option.data("sort_by");
-          href = href.split("?")[0] + "?" + $.param(params);
-          window.history.pushState(null, document.title, href);
-        });
-    },
-  };
-})(jQuery, Drupal);
diff --git a/modules/islandora_advanced_search/js/facets/soft-limit.js b/modules/islandora_advanced_search/js/facets/soft-limit.js
deleted file mode 100644
index a81a267c..00000000
--- a/modules/islandora_advanced_search/js/facets/soft-limit.js
+++ /dev/null
@@ -1,70 +0,0 @@
-//# sourceURL=modules/contrib/islandora/modules/islandora_advanced_search/js/facets/soft-limit.js
-/**
- * @file
- * Overrides the soft-limit.js behavior from the 'facets' module.
- * As when having many facets the original version causes the page to slow down and snap to hidden when rendering.
- */
-(function ($) {
-
-  'use strict';
-
-  Drupal.behaviors.facetSoftLimit = {
-    attach: function (context, settings) {
-      if (settings.facets.softLimit !== 'undefined') {
-        $.each(settings.facets.softLimit, function (facet, limit) {
-          Drupal.facets.applySoftLimit(facet, limit, settings);
-        });
-      }
-    }
-  };
-
-  Drupal.facets = Drupal.facets || {};
-
-  /**
-   * Applies the soft limit UI feature to a specific facets list.
-   *
-   * @param {string} facet
-   *   The facet id.
-   * @param {string} limit
-   *   The maximum amount of items to show.
-   * @param {object} settings
-   *   Settings.
-   */
-  Drupal.facets.applySoftLimit = function (facet, limit, settings) {
-    var zero_based_limit = (limit - 1);
-    var facet_id = facet;
-    var facetsList = $('ul[data-drupal-facet-id="' + facet_id + '"]');
-
-    // In case of multiple instances of a facet, we need to key them.
-    if (facetsList.length > 1) {
-      facetsList.each(function (key, $value) {
-        $(this).attr('data-drupal-facet-id', facet_id + '-' + key);
-      });
-    }
-
-    // Add "Show more" / "Show less" links.
-    facetsList.filter(function () {
-      return $(this).next('ul').length == 1; // Has expanding list.
-    }).each(function () {
-      var facet = $(this);
-      var expand = facet.next('ul');
-      var link = expand.next('a');
-      var showLessLabel = settings.facets.softLimitSettings[facet_id].showLessLabel;
-      var showMoreLabel = settings.facets.softLimitSettings[facet_id].showMoreLabel;
-      link.text(showMoreLabel)
-        .once()
-        .on('click', function () {
-          if (!expand.is(":visible")) {
-            expand.slideDown();
-            $(this).addClass('open').text(showLessLabel);
-          }
-          else {
-            expand.slideUp();
-            $(this).removeClass('open').text(showMoreLabel);
-          }
-          return false;
-        })
-    });
-  };
-
-})(jQuery);
diff --git a/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php b/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php
index 63f015d1..b76628d7 100644
--- a/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php
+++ b/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php
@@ -93,10 +93,17 @@ class IIIFManifest extends StylePluginBase {
    */
   protected $messenger;
 
+  /**
+   * Module Handler for running hooks.
+   *
+   * @var \Drupal\Core\Extention\ModuleHandlerInterface
+   */
+  protected $moduleHandler;
+
   /**
    * {@inheritdoc}
    */
-  public function __construct(array $configuration, $plugin_id, $plugin_definition, SerializerInterface $serializer, Request $request, ImmutableConfig $iiif_config, EntityTypeManagerInterface $entity_type_manager, FileSystemInterface $file_system, Client $http_client, MessengerInterface $messenger) {
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, SerializerInterface $serializer, Request $request, ImmutableConfig $iiif_config, EntityTypeManagerInterface $entity_type_manager, FileSystemInterface $file_system, Client $http_client, MessengerInterface $messenger, ModuleHandlerInterface $moduleHandler) {
     parent::__construct($configuration, $plugin_id, $plugin_definition);
 
     $this->serializer = $serializer;
@@ -106,6 +113,7 @@ class IIIFManifest extends StylePluginBase {
     $this->fileSystem = $file_system;
     $this->httpClient = $http_client;
     $this->messenger = $messenger;
+    $this->moduleHandler = $moduleHandler;
   }
 
   /**
@@ -122,10 +130,21 @@ class IIIFManifest extends StylePluginBase {
       $container->get('entity_type.manager'),
       $container->get('file_system'),
       $container->get('http_client'),
-      $container->get('messenger')
+      $container->get('messenger'),
+      $container->get('module_handler')
     );
   }
 
+  /**
+   * Return the request property.
+   *
+   * @return \Symfony\Component\HttpFoundation\Request
+   *   The Symfony request object
+   */
+  public function getRequest() {
+    return $this->request;
+  }
+
   /**
    * {@inheritdoc}
    */
@@ -172,6 +191,9 @@ class IIIFManifest extends StylePluginBase {
 
     $content_type = 'json';
 
+    // Give other modules a chance to alter the manifest.
+    $this->moduleHandler->alter('islandora_iiif_manifest', $json, $this);
+
     return $this->serializer->serialize($json, $content_type, ['views_style_plugin' => $this]);
   }
 
@@ -255,6 +277,13 @@ class IIIFManifest extends StylePluginBase {
             ];
           }
 
+          // Give other modules a chance to alter the canvas.
+          $alter_options = [
+            'options' => $this->options,
+            'views_plugin' => $this,
+          ];
+          $this->moduleHandler->alter('islandora_iiif_manifest_canvas', $tmp_canvas, $row, $alter_options);
+
           $canvases[] = $tmp_canvas;
         }
       }