diff --git a/advanced_search.info.yml b/advanced_search.info.yml
index c6189d6..11e8f24 100644
--- a/advanced_search.info.yml
+++ b/advanced_search.info.yml
@@ -4,7 +4,7 @@ name: 'Advanced Search'
 description: "Creates an Advanced Search block and other enhancements to search."
 type: module
 package: Islandora
-core_version_requirement: ^9.3
+core_version_requirement: ^8.8 || ^9 || ^10
 dependencies:
   - drupal:facets
   - drupal:facets_summary
diff --git a/advanced_search.module b/advanced_search.module
index 25faa20..437dfba 100644
--- a/advanced_search.module
+++ b/advanced_search.module
@@ -27,14 +27,6 @@ use Solarium\Core\Query\QueryInterface as SolariumQueryInterface;
  */
 function 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',
@@ -142,29 +134,6 @@ function advanced_search_views_pre_view(ViewExecutable $view, $display_id, array
   $advanced_search_query->alterView(\Drupal::request(), $view, $display_id);
 }
 
-/**
- * Implements hook_preprocess_facets_summary_item_list().
- */
-function advanced_search_preprocess_facets_summary_item_list(&$variables) {
-  /*foreach ($variables['items'] as &$item) {
-    $item['attributes']['class'][] = 'facet-summary-item';
-  }*/
-}
-
-/**
- * Implements hook_preprocess_facets_item_list().
- */
-function advanced_search_preprocess_facets_item_list(&$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().
  */
diff --git a/src/Plugin/facets/widget/IncludeExcludeLinksWidget.php b/src/Plugin/facets/widget/IncludeExcludeLinksWidget.php
deleted file mode 100644
index 47baa5d..0000000
--- a/src/Plugin/facets/widget/IncludeExcludeLinksWidget.php
+++ /dev/null
@@ -1,86 +0,0 @@
-<?php
-
-namespace Drupal\advanced_search\Plugin\facets\widget;
-
-use Drupal\facets\Plugin\facets\widget\LinksWidget;
-use Drupal\Core\Link;
-use Drupal\facets\Result\ResultInterface;
-
-// This widget doesn't currently work, need more reviews. 
-// Remove "*" to hide the registry of this widget to prevent it show up in Facets configuration
-/*
- * The links widget.
- *
- * @FacetsWidget(
- *   id = "include_exclude_links",
- *   label = @Translation("List of links that allow the user to include / exclude facets."),
- *   description = @Translation("A simple widget that shows a list of +/- links."),
- * )
- */
-class IncludeExcludeLinksWidget extends LinksWidget {
-
-  /**
-   * {@inheritdoc}
-   */
-  protected function prepareLink(ResultInterface $result) {
-    $facet = $result->getFacet();
-    $facet_source_id = $facet->getFacetSourceId();
-    $facet_manager = \Drupal::service('facets.manager');
-    $facets = $facet_manager->getFacetsByFacetSourceId($facet_source_id);
-    $raw_value = $result->getRawValue();
-    $count = $result->getCount();
-    $url = $result->getUrl();
-    $exclude_facet = $this->getExcludeFacet($facet, $facets);
-    $exclude_result = $this->getExcludeResult($exclude_facet, $raw_value);
-    $exclude_url = $exclude_result ? $exclude_result->getUrl() : NULL;
-    return [
-      '#theme' => 'facets_result_item',
-      '#is_active' => $result->isActive(),
-      '#value' => [
-        'text' => (new Link($result->getDisplayValue(), $url))->toRenderable(),
-        'include' => (new Link(' ', $url))->toRenderable() + [
-          '#attributes' => [
-            'class' => ['facet-item__include', 'fa', 'fa-plus'],
-          ],
-        ],
-        'exclude' => $exclude_url ? (new Link(' ', $exclude_url))->toRenderable() + [
-          '#attributes' => [
-            'class' => ['facet-item__exclude', 'fa', 'fa-minus'],
-          ],
-        ] : NULL,
-      ],
-      '#show_count' => $this->getConfiguration()['show_numbers'] && ($count !== NULL),
-      '#count' => $count,
-      '#facet' => $facet,
-      '#raw_value' => $raw_value,
-    ];
-  }
-
-  /**
-   * Looks for the excluded facet version of the included facet.
-   */
-  protected function getExcludeResult($facet, $raw_value) {
-    if ($facet) {
-      foreach ($facet->getResults() as $result) {
-        if ($result->getRawValue() === $raw_value) {
-          return $result;
-        }
-      }
-    }
-    return NULL;
-  }
-
-  /**
-   * Looks for the excluded facet version of the included facet.
-   */
-  protected function getExcludeFacet($include, $facets) {
-    $field_identifier = $include->getFieldIdentifier();
-    foreach ($facets as $facet) {
-      if ($field_identifier === $facet->getFieldIdentifier() && $facet->getExclude()) {
-        return $facet;
-      }
-    }
-    return NULL;
-  }
-
-}
diff --git a/src/Plugin/facets_summary/processor/ShowActiveExcludedFacets.php b/src/Plugin/facets_summary/processor/ShowActiveExcludedFacets.php
deleted file mode 100644
index 7d49798..0000000
--- a/src/Plugin/facets_summary/processor/ShowActiveExcludedFacets.php
+++ /dev/null
@@ -1,47 +0,0 @@
-<?php
-
-namespace Drupal\advanced_search\Plugin\facets_summary\processor;
-
-use Drupal\facets_summary\FacetsSummaryInterface;
-use Drupal\facets_summary\Processor\BuildProcessorInterface;
-use Drupal\facets_summary\Processor\ProcessorPluginBase;
-use Drupal\facets\FacetInterface;
-
-/**
- * Provides a processor that shows the search query.
- *
- * @SummaryProcessor(
- *   id = "show_active_excluded_facets",
- *   label = @Translation("Show active excluded facets."),
- *   description = @Translation("When checked, negated facets will appear in the summary."),
- *   stages = {
- *     "build" = 20
- *   }
- * )
- */
-class ShowActiveExcludedFacets extends ProcessorPluginBase implements BuildProcessorInterface {
-
-  use ShowFacetsTrait;
-
-  /**
-   * {@inheritdoc}
-   */
-  protected function condition(FacetInterface $facet) {
-    return $facet->getExclude();
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  protected function classes() {
-    return ['facet-summary-item--facet', 'facet-summary-item--exclude'];
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function build(FacetsSummaryInterface $facets_summary, array $build, array $facets) {
-    return $this->buildHelper($build, $facets);
-  }
-
-}
diff --git a/templates/facets/facets-item-list--include-exclude-links.html.twig b/templates/facets/facets-item-list--include-exclude-links.html.twig
deleted file mode 100644
index 1c80658..0000000
--- a/templates/facets/facets-item-list--include-exclude-links.html.twig
+++ /dev/null
@@ -1,58 +0,0 @@
-{#
-/**
- * @file
- * Default theme implementation for a facets item list.
- *
- * Available variables:
- * - items: A list of items. Each item contains:
- *   - attributes: HTML attributes to be applied to each list item.
- *   - value: The content of the list element.
- * - title: The title of the list.
- * - list_type: The tag for list element ("ul" or "ol").
- * - wrapper_attributes: HTML attributes to be applied to the list wrapper.
- * - attributes: HTML attributes to be applied to the list.
- * - empty: A message to display when there are no items. Allowed value is a
- *   string or render array.
- * - context: A list of contextual data associated with the list. May contain:
- *   - list_style: The ID of the widget plugin this facet uses.
- * - facet: The facet for this result item.
- *   - id: the machine name for the facet.
- *   - label: The facet label.
- *
- * @see facets_preprocess_facets_item_list()
- *
- * @ingroup themeable
- */
-#}
-<div class="facets-widget- {{- facet.widget.type -}} ">
-  {% if facet.widget.type %}
-    {%- set attributes = attributes.addClass('item-list__' ~ facet.widget.type) %}
-  {% endif %}
-  {% if items or empty %}
-    {%- if title is not empty -%}
-      <h3>{{ title }}</h3>
-    {%- endif -%}
-
-    {%- if items -%}
-      <{{ list_type }}{{ attributes }}>
-        {%- for item in less -%}
-          <li{{ item.attributes }}>{{ item.value }}</li>
-        {%- endfor -%}
-      </{{ list_type }}>
-      {%- if more -%}
-      <{{ list_type }}{{ attributes }} style="display:none;margin-top:-1em">
-        {%- for item in more -%}
-          <li{{ item.attributes }}>{{ item.value }}</li>
-        {%- endfor -%}
-      </{{ list_type }}>
-      <a href="#" class="facets-soft-limit-link">{{ show_more_label }}</a>
-      {%- endif -%}
-    {%- else -%}
-      {{- empty -}}
-    {%- endif -%}
-  {%- endif %}
-
-{% if facet.widget.type == "dropdown" %}
-  <label id="facet_{{ facet.id }}_label">{{ 'Facet'|t }} {{ facet.label }}</label>
-{%- endif %}
-</div>
diff --git a/templates/facets/facets-result-item--include-exclude-links.html.twig b/templates/facets/facets-result-item--include-exclude-links.html.twig
deleted file mode 100644
index aeec313..0000000
--- a/templates/facets/facets-result-item--include-exclude-links.html.twig
+++ /dev/null
@@ -1,33 +0,0 @@
-{#
-/**
- * @file
- * Default theme implementation of a facet result item.
- *
- * Available variables:
- * - value: The item value.
- * - raw_value: The raw item value.
- * - show_count: If this facet provides count.
- * - count: The amount of results.
- * - is_active: The item is active.
- * - facet: The facet for this result item.
- *   - id: the machine name for the facet.
- *   - label: The facet label.
- *
- * @ingroup themeable
- */
-#}
-{% if value['text'] is defined %}
-<span class="facet-item__value">{{ value['text'] }}
-  {% if show_count %}
-  <span class="facet-item__count">({{ count }})</span>
-  {% endif %}
-  {% if value['exclude'] is defined %}
-    <span class="facet-item__operators">{{ value['include'] }} {{ value['exclude'] }}</span>
-  {% endif %}
-</span>
-{% else %}
-<span class="facet-item__value">{{ value }}</span>
-  {% if show_count %}
-    <span class="facet-item__count">({{ count }})</span>
-  {% endif %}
-{% endif %}
\ No newline at end of file