diff --git a/build/build-modules-js/init/minify-vendor.mjs b/build/build-modules-js/init/minify-vendor.mjs
index 848887b2107d..5772170ce31f 100644
--- a/build/build-modules-js/init/minify-vendor.mjs
+++ b/build/build-modules-js/init/minify-vendor.mjs
@@ -8,7 +8,6 @@ const RootPath = process.cwd();
 
 const folders = [
   'media/vendor/accessibility/js',
-  'media/vendor/chosen/js',
   'media/vendor/debugbar',
   'media/vendor/diff/js',
   'media/vendor/es-module-shims/js',
diff --git a/build/build-modules-js/init/patches.mjs b/build/build-modules-js/init/patches.mjs
index 1a20efff1c51..d18f546ff799 100644
--- a/build/build-modules-js/init/patches.mjs
+++ b/build/build-modules-js/init/patches.mjs
@@ -10,22 +10,9 @@ const RootPath = process.cwd();
  *
  * @returns {Promise}
  */
-export const patchPackages = async (options) => {
+export const patchPackages = async () => {
   const mediaVendorPath = join(RootPath, 'media/vendor');
 
-  // Joomla's hack to expose the chosen base classes so we can extend it ourselves
-  // (it was better than the many hacks we had before. But I'm still ashamed of myself).
-  const dest = join(mediaVendorPath, 'chosen');
-  const chosenPath = `${dest}/${options.settings.vendors['chosen-js'].js['chosen.jquery.js']}`;
-  let ChosenJs = await readFile(chosenPath, { encoding: 'utf8' });
-  ChosenJs = ChosenJs.replace(
-    '}).call(this);',
-    `  document.AbstractChosen = AbstractChosen;
-  document.Chosen = Chosen;
-}).call(this);`,
-  );
-  await writeFile(chosenPath, ChosenJs, { encoding: 'utf8', mode: 0o644 });
-
   // Include the v5 shim for Font Awesome
   const faPath = join(mediaVendorPath, 'fontawesome-free/scss/fontawesome.scss');
   const newScss = (await readFile(faPath, { encoding: 'utf8' })).concat(`
diff --git a/build/build-modules-js/settings.json b/build/build-modules-js/settings.json
index 7b376a12bd9d..4ce05cd8544e 100644
--- a/build/build-modules-js/settings.json
+++ b/build/build-modules-js/settings.json
@@ -631,40 +631,6 @@
           }
         ]
       },
-      "chosen-js": {
-        "name": "chosen",
-        "js": {
-          "chosen.jquery.js": "js/chosen.jquery.js"
-        },
-        "css": {
-          "chosen.css": "css/chosen.css",
-          "chosen-sprite.png": "css/chosen-sprite.png",
-          "chosen-sprite@2x.png": "css/chosen-sprite@2x.png"
-        },
-        "provideAssets": [
-          {
-            "name": "chosen",
-            "type": "style",
-            "uri": "chosen.css"
-          },
-          {
-            "name": "chosen",
-            "type": "script",
-            "uri": "chosen.jquery.js",
-            "dependencies": [
-              "jquery"
-            ]
-          },
-          {
-            "name": "chosen",
-            "type": "preset",
-            "dependencies": [
-              "chosen#style",
-              "chosen#script"
-            ]
-          }
-        ]
-      },
       "accessibility": {
         "name": "accessibility",
         "licenseFilename": "LICENSE",
diff --git a/build/media_source/legacy/js/ajax-chosen.es5.js b/build/media_source/legacy/js/ajax-chosen.es5.js
deleted file mode 100644
index 9790e596793e..000000000000
--- a/build/media_source/legacy/js/ajax-chosen.es5.js
+++ /dev/null
@@ -1,161 +0,0 @@
-/**
- * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
- * @license     GNU General Public License version 2 or later; see LICENSE.txt
- */
-
-/**
- * ajaxChosen javascript behavior
- *
- * Used for displaying tags
- *
- * @package     Joomla.JavaScript
- * @since       1.5
- * @version     1.0
- */
-(function($) {
-  return $.fn.ajaxChosen = function(settings, callback, chosenOptions) {
-    var chosenXhr, defaultOptions, options, select;
-    if (settings == null) {
-      settings = {};
-    }
-    if (callback == null) {
-      callback = {};
-    }
-    if (chosenOptions == null) {
-      chosenOptions = function() {};
-    }
-    defaultOptions = {
-      minTermLength: 3,
-      afterTypeDelay: 500,
-      jsonTermKey: "term",
-      keepTypingMsg: Joomla.Text._('JGLOBAL_KEEP_TYPING'),
-      lookingForMsg: Joomla.Text._('JGLOBAL_LOOKING_FOR')
-    };
-    select = this;
-    chosenXhr = null;
-    options = $.extend({}, defaultOptions, $(select).data(), settings);
-    this.jchosen(chosenOptions ? chosenOptions : {});
-    return this.each(function() {
-      return $(this).next('.chosen-container').find(".search-field > input, .chosen-search > input").bind('keyup', function() {
-        var field, msg, success, untrimmed_val, val;
-        untrimmed_val = $(this).val();
-        val = $.trim($(this).val());
-        msg = val.length < options.minTermLength ? options.keepTypingMsg : options.lookingForMsg + (" '" + val + "'");
-        select.next('.chosen-container').find('.no-results').text(msg);
-        if (val === $(this).data('prevVal')) {
-          return false;
-        }
-        $(this).data('prevVal', val);
-        if (this.timer) {
-          clearTimeout(this.timer);
-        }
-        if (val.length < options.minTermLength) {
-          return false;
-        }
-        field = $(this);
-        if (!(options.data != null)) {
-          options.data = {};
-        }
-        options.data[options.jsonTermKey] = val;
-        if (options.dataCallback != null) {
-          options.data = options.dataCallback(options.data);
-        }
-        success = options.success;
-        options.success = function(data) {
-          var items, nbItems, selected_values;
-          if (!(data != null)) {
-            return;
-          }
-          selected_values = [];
-          select.find('option').each(function() {
-            if (!$(this).is(":selected")) {
-              return $(this).remove();
-            } else {
-              return selected_values.push($(this).val() + "-" + $(this).text());
-            }
-          });
-          select.find('optgroup:empty').each(function() {
-            return $(this).remove();
-          });
-          items = callback.apply(null, data);
-          nbItems = 0;
-          $.each(items, function(i, element) {
-            var group, text, value;
-            nbItems++;
-            if (element.group) {
-              group = select.find("optgroup[label='" + element.text + "']");
-              if (!group.size()) {
-                group = $("<optgroup />");
-              }
-              group.attr('label', element.text).appendTo(select);
-              return $.each(element.items, function(i, element) {
-                var text, value;
-                if (typeof element === "string") {
-                  value = i;
-                  text = element;
-                } else {
-                  value = element.value;
-                  text = element.text;
-                }
-                if ($.inArray(value + "-" + text, selected_values) === -1) {
-                  return $("<option />").attr('value', value).html(text).appendTo(group);
-                }
-              });
-            } else {
-              if (typeof element === "string") {
-                value = i;
-                text = element;
-              } else {
-                value = element.value;
-                text = element.text;
-              }
-              if ($.inArray(value + "-" + text, selected_values) === -1) {
-                return $("<option />").attr('value', value).html(text).appendTo(select);
-              }
-            }
-          });
-          if (nbItems) {
-            select.trigger("chosen:updated");
-          } else {
-            select.data().jchosen.no_results_clear();
-            select.data().jchosen.no_results(field.val());
-          }
-          if (success != null) {
-            success(data);
-          }
-          return field.val(untrimmed_val);
-        };
-        return this.timer = setTimeout(function() {
-          if (chosenXhr) {
-            chosenXhr.abort();
-          }
-          return chosenXhr = $.ajax(options);
-        }, options.afterTypeDelay);
-      });
-    });
-  };
-})(jQuery);
-
-jQuery(document).ready(function ($) {
-  if (Joomla.getOptions('ajax-chosen')) {
-
-    var options = Joomla.getOptions('ajax-chosen');
-
-    $(options.selector).ajaxChosen({
-      type: options.type,
-      url: options.url,
-      dataType: options.dataType,
-      jsonTermKey: options.jsonTermKey,
-      afterTypeDelay: options.afterTypeDelay,
-      minTermLength: options.minTermLength
-    }, function (data) {
-      var results = [];
-
-      $.each(data, function (i, val) {
-        results.push({ value: val.value, text: val.text });
-      });
-
-      return results;
-    });
-  }
-});
diff --git a/build/media_source/legacy/js/joomla-chosen.es5.js b/build/media_source/legacy/js/joomla-chosen.es5.js
deleted file mode 100644
index 0338cf8b60a2..000000000000
--- a/build/media_source/legacy/js/joomla-chosen.es5.js
+++ /dev/null
@@ -1,102 +0,0 @@
-(function($, Chosen, AbstractChosen) {
-    $.fn.jchosen = function (options) {
-        if (!AbstractChosen.browser_is_supported()) {
-            return this;
-        }
-        return this.each(function (input_field) {
-            var $this, chosen;
-            $this = $(this);
-            chosen = $this.data('chosen');
-            if (options === 'destroy') {
-                if (chosen instanceof JoomlaChosen) {
-                    chosen.destroy();
-                }
-                return;
-            }
-            if (!(chosen instanceof JoomlaChosen)) {
-                $this.data('chosen', new JoomlaChosen(this, options));
-            }
-        });
-    };
-
-    JoomlaChosen = (function (_super) {
-        var __hasProp = {}.hasOwnProperty,
-        __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
-        __extends(JoomlaChosen, _super);
-
-        function JoomlaChosen() {
-            _ref = JoomlaChosen.__super__.constructor.apply(this, arguments);
-            return _ref;
-        }
-
-        JoomlaChosen.prototype.setup = function () {
-            var return_value;
-            return_value = JoomlaChosen.__super__.setup.apply(this, arguments);
-            this.allow_custom_value = this.form_field_jq.hasClass("chosen-custom-value") || this.options.allow_custom_value;
-            this.custom_value_prefix = this.form_field_jq.attr("data-custom_value_prefix") || this.custom_value_prefix;
-
-            return return_value;
-        };
-
-        JoomlaChosen.prototype.set_default_text = function () {
-            this.custom_group_text = this.form_field.getAttribute("data-custom_group_text") || this.options.custom_group_text || "Custom Value";
-
-            return JoomlaChosen.__super__.set_default_text.apply(this, arguments);
-        };
-
-        JoomlaChosen.prototype.result_select = function (evt) {
-            var group, option, value;
-
-            if (!this.result_highlight && (!this.is_multiple) && this.allow_custom_value) {
-                value = this.search_field.val();
-                group = this.add_unique_custom_group();
-                option = $('<option value="' + this.custom_value_prefix + value + '">' + value + '</option>');
-                group.append(option);
-                this.form_field_jq.append(group);
-                this.form_field.options[this.form_field.options.length - 1].selected = true;
-                if (!evt.metaKey) {
-                    this.results_hide();
-                }
-                return this.results_build();
-            }
-
-            return JoomlaChosen.__super__.result_select.apply(this, arguments);
-        };
-
-        JoomlaChosen.prototype.find_custom_group = function () {
-            var found, group, _i, _len, _ref;
-            _ref = $('optgroup', this.form_field);
-            for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-                group = _ref[_i];
-                if (group.getAttribute('label') === this.custom_group_text) {
-                    found = group;
-                }
-            }
-            return found;
-        };
-
-        JoomlaChosen.prototype.add_unique_custom_group = function () {
-            var group;
-            group = this.find_custom_group();
-            if (!group) {
-                group = $('<optgroup label="' + this.custom_group_text + '"></optgroup>');
-            }
-            return $(group);
-        };
-
-        /**
-         * We choose to override this function so deliberately don't call super
-         */
-        JoomlaChosen.prototype.container_width = function () {
-            if (this.options.width != null) {
-                return this.options.width;
-            } else {
-                // Original: return "" + this.form_field.offsetWidth + "px";
-                return this.form_field_jq.css("width") || "" + this.form_field.offsetWidth + "px";
-            }
-        };
-
-        return JoomlaChosen;
-
-    })(Chosen);
-})(jQuery, document.Chosen, document.AbstractChosen);
diff --git a/build/media_source/system/js/fields/tag.es5.js b/build/media_source/system/js/fields/tag.es5.js
deleted file mode 100644
index 0cc2af0634be..000000000000
--- a/build/media_source/system/js/fields/tag.es5.js
+++ /dev/null
@@ -1,66 +0,0 @@
-/**
- * @copyright   (C) 2016 Open Source Matters, Inc. <https://www.joomla.org>
- * @license     GNU General Public License version 2 or later; see LICENSE.txt
- */
-
-/**
- * Field user
- */
-jQuery(document).ready(function ($) {
-
-	if (Joomla.getOptions('field-tag-custom')) {
-
-		var options = Joomla.getOptions('field-tag-custom'),
-			customTagPrefix = '#new#';
-
-		// Method to add tags pressing enter
-		$(options.selector + '_chosen input').keyup(function(event) {
-
-			var tagOption;
-
-			// Tag is greater than the minimum required chars and enter pressed
-			if (this.value && this.value.length >= options.minTermLength && (event.which === 13 || event.which === 188)) {
-
-				// Search a highlighted result
-				var highlighted = $(options.selector + '_chosen').find('li.active-result.highlighted').first();
-
-				// Add the highlighted option
-				if (event.which === 13 && highlighted.text() !== '')
-				{
-					// Extra check. If we have added a custom tag with this text remove it
-					var customOptionValue = customTagPrefix + highlighted.text();
-					$(options.selector + ' option').filter(function () { return $(this).val() == customOptionValue; }).remove();
-
-					// Select the highlighted result
-					tagOption = $(options.selector + ' option').filter(function () { return $(this).html() == highlighted.text(); });
-					tagOption.attr('selected', 'selected');
-				}
-				// Add the custom tag option
-				else
-				{
-					var customTag = this.value;
-
-					// Extra check. Search if the custom tag already exists (typed faster than AJAX ready)
-					tagOption = $(options.selector + ' option').filter(function () { return $(this).html() == customTag; });
-					if (tagOption.text() !== '')
-					{
-						tagOption.attr('selected', 'selected');
-					}
-					else
-					{
-						var option = $('<option>');
-						option.text(this.value).val(customTagPrefix + this.value);
-						option.attr('selected','selected');
-
-						// Append the option and repopulate the chosen field
-						$(options.selector).append(option);
-					}
-				}
-
-				this.value = '';
-				$(options.selector).trigger('chosen:updated');
-				event.preventDefault();
-			}
-		});
-	}
-});
diff --git a/build/media_source/system/js/searchtools.es6.js b/build/media_source/system/js/searchtools.es6.js
index 3dbfdae9ff66..9ec822cee2fd 100644
--- a/build/media_source/system/js/searchtools.es6.js
+++ b/build/media_source/system/js/searchtools.es6.js
@@ -279,28 +279,16 @@ Joomla = window.Joomla || {};
 
         i.value = '';
         self.checkFilter(i);
-
-        if (window.jQuery && window.jQuery.chosen) {
-          window.jQuery(i).trigger('chosen:updated');
-        }
       });
 
       if (self.clearListOptions) {
         self.getListFields().forEach((i) => {
           i.value = '';
           self.checkFilter(i);
-
-          if (window.jQuery && window.jQuery.chosen) {
-            window.jQuery(i).trigger('chosen:updated');
-          }
         });
 
         // Special case to limit box to the default config limit
         document.querySelector('#list_limit').value = self.options.defaultLimit;
-
-        if (window.jQuery && window.jQuery.chosen) {
-          window.jQuery('#list_limit').trigger('chosen:updated');
-        }
       }
 
       if (self.theForm.requestSubmit) {
@@ -508,10 +496,6 @@ Joomla = window.Joomla || {};
             }
           }
         });
-
-        if (window.jQuery && window.jQuery.chosen) {
-          window.jQuery(this.orderField).trigger('chosen:updated');
-        }
       }
 
       this.activeOrder = this.orderField.value;
@@ -547,10 +531,6 @@ Joomla = window.Joomla || {};
         }
 
         field.value = newValue;
-        // Trigger the chosen update
-        if (window.jQuery && window.jQuery.chosen) {
-          field.trigger('chosen:updated');
-        }
       }
     }
 
diff --git a/build/media_source/templates/site/cassiopeia/scss/template.scss b/build/media_source/templates/site/cassiopeia/scss/template.scss
index ed3f24078e2c..97ff07e477c4 100644
--- a/build/media_source/templates/site/cassiopeia/scss/template.scss
+++ b/build/media_source/templates/site/cassiopeia/scss/template.scss
@@ -48,7 +48,6 @@
 @import "vendor/bootstrap/nav";
 @import "vendor/bootstrap/pagination";
 @import "vendor/bootstrap/table";
-@import "vendor/chosen";
 @import "vendor/dragula";
 @import "vendor/metismenu/metismenu";
 @import "vendor/minicolors";
diff --git a/build/media_source/templates/site/cassiopeia/scss/vendor/_chosen.scss b/build/media_source/templates/site/cassiopeia/scss/vendor/_chosen.scss
deleted file mode 100644
index ed0b79d7d20b..000000000000
--- a/build/media_source/templates/site/cassiopeia/scss/vendor/_chosen.scss
+++ /dev/null
@@ -1,121 +0,0 @@
-// Chosen
-
-$chosen-select-padding-y: $form-select-padding-y + .21;
-
-.chosen-container.chosen-container-single {
-  max-width: $input-max-width;
-  font-size: $font-size-base;
-
-  .chosen-single {
-    display: inline-block;
-    height: #{$input-height};
-    padding: $chosen-select-padding-y ($form-select-padding-x + $form-select-indicator-padding) $chosen-select-padding-y $form-select-padding-x;
-    line-height: 1.5;
-    color: $form-select-color;
-    vertical-align: middle;
-    background: $form-select-bg $form-select-indicator no-repeat right $form-select-padding-x center;
-    background-image: none \9;
-    background-size: $form-select-bg-size;
-    border: $form-select-border-width solid $form-select-border-color;
-    box-shadow: none;
-    appearance: none;
-    @include border-radius($form-select-border-radius, 0);
-
-    abbr {
-      top: 10px;
-    }
-
-    &:focus {
-      @include box-shadow($form-select-focus-box-shadow);
-      border-color: $form-select-focus-border-color;
-      outline: none;
-    }
-
-    &:disabled {
-      color: $form-select-disabled-color;
-      cursor: not-allowed;
-      background-color: $form-select-disabled-bg;
-    }
-
-    div b {
-      background: none !important;
-    }
-  }
-
-  .chosen-drop {
-    background: $white;
-    border: $form-select-border-width solid $form-select-border-color;
-  }
-
-  .chosen-results li {
-    line-height: calc(#{$font-size-base} + .3rem);
-  }
-
-  &.chosen-container-active .chosen-single {
-    border-bottom-right-radius: 0;
-    border-bottom-left-radius: 0;
-  }
-}
-
-.chosen-container.chosen-container-multi {
-  .chosen-choices {
-    max-width: $input-max-width;
-    min-height: #{$input-height};
-    font-size: $font-size-base;
-    line-height: $input-line-height;
-    background-image: $white;
-
-    li.search-choice {
-      $chosen-multi-close-width: 20px;
-
-      padding: 5px (13 + $chosen-multi-close-width) 5px 10px;
-      color: $white;
-      background: var(--primary);
-      border: 0;
-      box-shadow: $cassiopeia-box-shadow;
-
-      @if $enable-rounded {
-        border-radius: $form-select-border-radius;
-      } @else {
-        border-radius: 0;
-      }
-
-      .search-choice-close {
-        top: 0;
-        right: 0;
-        width: $chosen-multi-close-width;
-        height: 100%;
-        background: hsla(0, 0%, 0%, .2);
-        background-image: none !important;
-
-        &::before {
-          position: absolute;
-          top: 6px;
-          right: $chosen-multi-close-width * .25;
-          font-size: $font-size-base;
-          color: $white;
-          content: "\00d7";
-        }
-      }
-    }
-  }
-}
-
-.chosen-container-active.chosen-with-drop .chosen-single {
-  box-shadow: none;
-}
-
-// TEMPORARY
-.chosen-container-single {
-  width: auto !important;
-}
-
-// END TEMPORARY
-
-.card .chosen-container.chosen-container-single {
-  width: 100% !important;
-
-  .chosen-single {
-    width: 100% !important;
-  }
-}
diff --git a/package-lock.json b/package-lock.json
index 59c2c17d686a..455a678af0f2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -33,7 +33,6 @@
         "awesomplete": "^1.1.7",
         "bootstrap": "^5.3.7",
         "choices.js": "^9.1.0",
-        "chosen-js": "^1.8.7",
         "cropperjs": "^1.6.2",
         "diff": "^5.2.0",
         "dotenv": "^16.6.1",
@@ -4547,12 +4546,6 @@
         "url": "https://paulmillr.com/funding/"
       }
     },
-    "node_modules/chosen-js": {
-      "version": "1.8.7",
-      "resolved": "https://registry.npmjs.org/chosen-js/-/chosen-js-1.8.7.tgz",
-      "integrity": "sha512-eVdrZJ2U5ISdObkgsi0od5vIJdLwq1P1Xa/Vj/mgxkMZf14DlgobfB6nrlFi3kW4kkvKLsKk4NDqZj1MU1DCpw==",
-      "license": "MIT"
-    },
     "node_modules/ci-info": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-4.3.0.tgz",
diff --git a/package.json b/package.json
index 7ebc6ebf4356..ee213f3bb28c 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,6 @@
     "awesomplete": "^1.1.7",
     "bootstrap": "^5.3.7",
     "choices.js": "^9.1.0",
-    "chosen-js": "^1.8.7",
     "cropperjs": "^1.6.2",
     "diff": "^5.2.0",
     "dotenv": "^16.6.1",