diff --git a/Gemfile b/Gemfile
index 78113d477c..a212112b7b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -120,9 +120,6 @@ gem 'has_scope', '~> 0.8.0'
 # generating zip files
 gem 'rubyzip', '~> 2.3.2'
 
-# bootstrap tokenizer
-gem 'bootstrap_tokenfield_rails', '~> 0.12.1'
-
 # memcache
 gem 'dalli', '~> 3.2.3'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 35977f2fa5..38816fedf8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,7 +88,6 @@ GEM
     bindex (0.8.1)
     bootsnap (1.14.0)
       msgpack (~> 1.2)
-    bootstrap_tokenfield_rails (0.12.1)
     builder (3.2.4)
     byebug (11.1.3)
     capistrano (3.17.0)
@@ -499,7 +498,6 @@ DEPENDENCIES
   autoprefixer-rails (~> 10.4.7)
   bcrypt_pbkdf
   bootsnap (~> 1.14.0)
-  bootstrap_tokenfield_rails (~> 0.12.1)
   builder (~> 3.2.4)
   byebug (~> 11.1.3)
   capistrano-passenger (~> 0.2.1)
diff --git a/app/assets/javascripts/application_old.js b/app/assets/javascripts/application_old.js
index 5c0536e0ce..f223c48d9c 100644
--- a/app/assets/javascripts/application_old.js
+++ b/app/assets/javascripts/application_old.js
@@ -14,5 +14,3 @@
 //= require ace-rails-ap
 //= require ace/ext-language_tools
 
-//= require bootstrap-tokenfield
-//= require typeahead.js/dist/typeahead.bundle.js
diff --git a/app/assets/stylesheets/base.css.scss b/app/assets/stylesheets/base.css.scss
index ed13f57830..f7e9b01769 100644
--- a/app/assets/stylesheets/base.css.scss
+++ b/app/assets/stylesheets/base.css.scss
@@ -11,7 +11,6 @@
 
 @import "bootstrap_variable_overrides.css.scss";
 @import "mixins.css.scss";
-@import "vendor";
 @import "theme/rouge.css.scss";
 @import "theme/ace.css.scss";
 
diff --git a/app/assets/stylesheets/components.css.scss b/app/assets/stylesheets/components.css.scss
index d5802f1d96..06dc66ee61 100644
--- a/app/assets/stylesheets/components.css.scss
+++ b/app/assets/stylesheets/components.css.scss
@@ -19,7 +19,7 @@
 @import "components/table.css.scss";
 @import "components/table-toolbar.css.scss";
 @import "components/toast.css.scss";
-@import "components/tokenfield.css.scss";
+@import "components/token.css.scss";
 @import "components/tutor.css.scss";
 @import "components/visualisations.css.scss";
 @import "components/search_field.css.scss";
diff --git a/app/assets/stylesheets/components/table-toolbar.css.scss b/app/assets/stylesheets/components/table-toolbar.css.scss
index f9138dd74a..860d29cd3c 100644
--- a/app/assets/stylesheets/components/table-toolbar.css.scss
+++ b/app/assets/stylesheets/components/table-toolbar.css.scss
@@ -80,22 +80,6 @@
   background-color: inherit;
 }
 
-.table-toolbar .table-toolbar-tools .search .tokenfield {
-  border: none;
-  box-shadow: none;
-
-  .twitter-typeahead .token-input.tt-hint {
-    color: $on-surface-muted;
-    margin-top: 7px;
-    margin-bottom: 6px;
-    margin-left: 12px;
-  }
-
-  input {
-    font-size: 18px;
-  }
-}
-
 .tt-header {
   padding-left: 5px;
 }
diff --git a/app/assets/stylesheets/components/token.css.scss b/app/assets/stylesheets/components/token.css.scss
new file mode 100644
index 0000000000..c1cbc44f9f
--- /dev/null
+++ b/app/assets/stylesheets/components/token.css.scss
@@ -0,0 +1,79 @@
+.token {
+  font-size: 0.875rem;
+  font-weight: 400;
+  line-height: 1.3846153846;
+  $token-height: 32px;
+
+  display: inline-flex;
+  align-items: center;
+  height: $token-height;
+  border-radius: 8px;
+  padding-left: 12px;
+  padding-right: 12px;
+  border-width: 0;
+  text-transform: capitalize;
+  white-space: nowrap;
+  cursor: default;
+  margin-right: 8px;
+}
+
+.token .close {
+  font-size: 18px;
+  margin-left: 8px;
+  margin-right: -4px; // a token with a close button has a right padding of 8 instead of 12px
+  color: inherit;
+}
+
+.token .close:hover {
+  color: $on-surface;
+  cursor: pointer;
+}
+
+.token.accent-red {
+  color: $on-red-container;
+  background-color: $red-container;
+}
+
+.token.accent-pink {
+  color: $on-pink-container;
+  background-color: $pink-container;
+}
+
+.token.accent-purple {
+  color: $on-purple-container;
+  background-color: $purple-container;
+}
+
+.token.accent-deep-purple {
+  color: $on-deep-purple-container;
+  background-color: $deep-purple-container;
+}
+
+.token.accent-indigo {
+  color: $on-indigo-container;
+  background-color: $indigo-container;
+}
+
+.token.accent-teal {
+  color: $on-teal-container;
+  background-color: $teal-container;
+}
+
+.token.accent-orange {
+  color: $on-orange-container;
+  background-color: $orange-container;
+}
+
+.token.accent-brown {
+  color: $on-brown-container;
+  background-color: $brown-container;
+}
+
+.token.accent-blue-gray {
+  color: $on-blue-gray-container;
+  background-color: $blue-gray-container;
+}
+
+.search-tokens {
+  margin-left: 16px;
+}
diff --git a/app/assets/stylesheets/components/tokenfield.css.scss b/app/assets/stylesheets/components/tokenfield.css.scss
deleted file mode 100644
index 5ec156ee13..0000000000
--- a/app/assets/stylesheets/components/tokenfield.css.scss
+++ /dev/null
@@ -1,281 +0,0 @@
-/*!
- * this file was based on the following repository, but is heavily modified
- * https://github.com/sliptree/bootstrap-tokenfield
- * Copyright 2013-2014 Sliptree and other contributors; Licensed MIT
- */
-@use "sass:math";
-
-.tokenfield {
-  height: auto;
-  min-height: 34px;
-  padding-bottom: 0;
-  z-index: 1;
-}
-
-.tokenfield.focus {
-  border-color: #66afe9;
-  outline: 0;
-  box-shadow:
-    inset 0 1px 1px rgba(0, 0, 0, 0.075),
-    0 0 8px rgba(102, 175, 233, 0.6);
-}
-
-.tokenfield .token-input {
-  background: none;
-  width: 60px;
-  min-width: 60px;
-  border: 0;
-  height: 20px;
-  padding: 0;
-  margin-bottom: 6px;
-  box-shadow: none;
-}
-
-.tokenfield .token-input:focus {
-  border-color: transparent;
-  outline: 0;
-  box-shadow: none;
-}
-
-.tokenfield.disabled {
-  cursor: not-allowed;
-  background-color: #eeeeee;
-}
-
-.tokenfield.disabled .token-input {
-  cursor: not-allowed;
-}
-
-.tokenfield.disabled .token:hover {
-  cursor: not-allowed;
-  border-color: #d9d9d9;
-}
-
-.tokenfield.disabled .token:hover .close {
-  cursor: not-allowed;
-  opacity: 0.2;
-  filter: alpha(opacity=20);
-}
-
-.has-warning .tokenfield.focus {
-  border-color: #66512c;
-  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 6px #c0a16b;
-}
-
-.has-error .tokenfield.focus {
-  border-color: #843534;
-  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 6px #ce8483;
-}
-
-.has-success .tokenfield.focus {
-  border-color: #2b542c;
-  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 6px #67b168;
-}
-
-.tokenfield.form-control-sm,
-.input-group-sm .tokenfield {
-  min-height: 30px;
-  padding-bottom: 0;
-}
-
-.input-group-sm .token,
-.tokenfield.form-control-sm .token {
-  height: 20px;
-  margin-bottom: 4px;
-}
-
-.input-group-sm .token-input,
-.tokenfield.form-control-sm .token-input {
-  height: 18px;
-  margin-bottom: 5px;
-}
-
-.tokenfield.form-control-lg,
-.input-group-lg .tokenfield {
-  height: auto;
-  min-height: 45px;
-  padding-bottom: 4px;
-}
-
-.input-group-lg .token,
-.tokenfield.form-control-lg .token {
-  height: 25px;
-}
-
-.input-group-lg .token-label,
-.tokenfield.form-control-lg .token-label {
-  line-height: 23px;
-}
-
-.input-group-lg .token .close,
-.tokenfield.form-control-lg .token .close {
-  line-height: 1.3em;
-}
-
-.input-group-lg .token-input,
-.tokenfield.form-control-lg .token-input {
-  height: 23px;
-  line-height: 23px;
-  margin-bottom: 6px;
-  vertical-align: top;
-}
-
-.tokenfield.rtl {
-  direction: rtl;
-  text-align: right;
-}
-
-.tokenfield.rtl .token {
-  margin: -1px 0 5px 5px;
-}
-
-.tokenfield.rtl .token .token-label {
-  padding-left: 0;
-  padding-right: 4px;
-}
-
-.tokenfield .token {
-  margin-bottom: 8px;
-  padding-right: 8px;
-}
-
-.token {
-  font-size: 0.875rem;
-  font-weight: 400;
-  line-height: 1.3846153846;
-  $token-height: 32px;
-
-  display: inline-flex;
-  align-items: center;
-  height: $token-height;
-  border-radius: 8px;
-  padding-left: 12px;
-  padding-right: 12px;
-  border-width: 0;
-  text-transform: capitalize;
-  white-space: nowrap;
-  cursor: default;
-  margin-right: 8px;
-}
-
-.token .close {
-  font-size: 18px;
-  margin-left: 8px;
-  margin-right: -4px; // a token with a close button has a right padding of 8 instead of 12px
-  color: inherit;
-}
-
-.token .close:hover {
-  color: $on-surface;
-  cursor: pointer;
-}
-
-.token.accent-red {
-  color: $on-red-container;
-  background-color: $red-container;
-}
-
-.token.accent-pink {
-  color: $on-pink-container;
-  background-color: $pink-container;
-}
-
-.token.accent-purple {
-  color: $on-purple-container;
-  background-color: $purple-container;
-}
-
-.token.accent-deep-purple {
-  color: $on-deep-purple-container;
-  background-color: $deep-purple-container;
-}
-
-.token.accent-indigo {
-  color: $on-indigo-container;
-  background-color: $indigo-container;
-}
-
-.token.accent-teal {
-  color: $on-teal-container;
-  background-color: $teal-container;
-}
-
-.token.accent-orange {
-  color: $on-orange-container;
-  background-color: $orange-container;
-}
-
-.token.accent-brown {
-  color: $on-brown-container;
-  background-color: $brown-container;
-}
-
-.token.accent-blue-gray {
-  color: $on-blue-gray-container;
-  background-color: $blue-gray-container;
-}
-
-/* stylelint-disable-next-line no-duplicate-selectors */
-.tokenfield {
-  .form-control {
-    height: auto;
-  }
-
-  /* stylelint-disable-next-line selector-id-pattern */
-  #course_membership_course_labels-tokenfield {
-    height: auto;
-    padding: 0;
-  }
-
-  /* stylelint-disable-next-line selector-id-pattern */
-  #exercise_labels-tokenfield {
-    height: auto;
-    padding: 0;
-  }
-
-  .tt-menu {
-    width: 100%;
-    min-width: 160px;
-    margin-top: 2px;
-    padding: 5px 0;
-    background-color: $content-bg;
-    border: 1px solid $divider;
-    *border-right-width: 2px;
-    *border-bottom-width: 2px;
-    border-radius: $border-radius-base;
-    background-clip: padding-box;
-  }
-
-  .tt-hint {
-    max-width: 100% !important;
-    width: unset !important;
-  }
-
-  .tt-selectable {
-    cursor: pointer;
-  }
-
-  .tokenfield-undeletable .btn-close {
-    display: none;
-  }
-
-  /* Override inline styling of search bar */
-
-  .twitter-typeahead {
-    max-width: 100% !important;
-    width: 100% !important;
-
-    input.token-input.tt-input {
-      max-width: 100% !important;
-      width: 100% !important;
-    }
-  }
-}
-
-.tokenfield.form-control {
-  background-color: transparent;
-}
-
-.search-tokens {
-  margin-left: 16px;
-}
diff --git a/bin/build-css b/bin/build-css
index f6403ad44e..2fd27bd91e 100755
--- a/bin/build-css
+++ b/bin/build-css
@@ -7,6 +7,5 @@
   --no-source-map \
   --load-path=node_modules \
   --load-path=./app/assets/stylesheets/ \
-  --load-path=./vendor/assets/stylesheets/ \
   --style compressed \
   $@
diff --git a/config/deploy.rb b/config/deploy.rb
index b719cf4f10..2cbbdf5ec0 100644
--- a/config/deploy.rb
+++ b/config/deploy.rb
@@ -29,7 +29,7 @@
 set :linked_files, fetch(:linked_files, []).push('config/master.key')
 
 # Default value for linked_dirs is []
-set :linked_dirs, fetch(:linked_dirs, []).push('log', 'tmp/pids', 'tmp/cache', 'tmp/sockets', 'vendor/bundle', 'public/system', 'data/exercises', 'data/judges', 'data/storage', 'node_modules')
+set :linked_dirs, fetch(:linked_dirs, []).push('log', 'tmp/pids', 'tmp/cache', 'tmp/sockets', 'public/system', 'data/exercises', 'data/judges', 'data/storage', 'node_modules')
 
 set :passenger_restart_with_touch, true
 
diff --git a/package.json b/package.json
index f4bba9a0b7..64b15a6a62 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,6 @@
     "lit": "2.4.1",
     "node-polyglot": "^2.4.2",
     "sass": "^1.56.1",
-    "typeahead.js": "^0.11.1",
     "typescript": "^4.9.3",
     "webpack": "^5.75.0",
     "webpack-cli": "^4.9.2"
diff --git a/tsconfig.json b/tsconfig.json
index 6b2d72b02b..88655c3235 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -17,6 +17,6 @@
     "allowUmdGlobalAccess": true,
     "resolveJsonModule": true
   },
-  "exclude": ["**/*.spec.ts", "node_modules", "vendor", "public", "data"],
+  "exclude": ["**/*.spec.ts", "node_modules", "public", "data"],
   "compileOnSave": false
 }
diff --git a/vendor/assets/stylesheets/.keep b/vendor/assets/stylesheets/.keep
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/vendor/assets/stylesheets/bootstrap-tokenfield/tokenfield-typeahead.css.scss b/vendor/assets/stylesheets/bootstrap-tokenfield/tokenfield-typeahead.css.scss
deleted file mode 100644
index 4ad279b9bd..0000000000
--- a/vendor/assets/stylesheets/bootstrap-tokenfield/tokenfield-typeahead.css.scss
+++ /dev/null
@@ -1,141 +0,0 @@
-/*!
- * bootstrap-tokenfield
- * https://github.com/sliptree/bootstrap-tokenfield
- * Copyright 2013-2014 Sliptree and other contributors; Licensed MIT
- */
-/* General Typeahead styling, from http://jsfiddle.net/ragulka/Dy9au/1/ */
-.twitter-typeahead {
-  width: 100%;
-  position: relative;
-  vertical-align: top;
-}
-.twitter-typeahead .tt-input,
-.twitter-typeahead .tt-hint {
-  margin: 0;
-  width: 100%;
-  vertical-align: middle;
-  background-color: #ffffff;
-}
-.twitter-typeahead .tt-hint {
-  color: #999999;
-  z-index: 1;
-  border: 1px solid transparent;
-}
-.twitter-typeahead .tt-input {
-  color: #555555;
-  z-index: 2;
-}
-.twitter-typeahead .tt-input,
-.twitter-typeahead .tt-hint {
-  height: 34px;
-  padding: 6px 12px;
-  font-size: 14px;
-  line-height: 1.428571429;
-}
-.twitter-typeahead .form-control-sm.tt-input,
-.twitter-typeahead .hint-sm.tt-hint {
-  border-radius: 3px;
-}
-.twitter-typeahead .form-control-lg.tt-input,
-.twitter-typeahead .hint-lg.tt-hint {
-  border-radius: 6px;
-}
-.input-group .twitter-typeahead:first-child .tt-input,
-.input-group .twitter-typeahead:first-child .tt-hint {
-  border-radius: 4px 0 0 4px !important;
-}
-.input-group .twitter-typeahead:last-child .tt-input,
-.input-group .twitter-typeahead:last-child .tt-hint {
-  border-radius: 0 4px 4px 0 !important;
-}
-.input-group.input-group-sm .twitter-typeahead:first-child .tt-input,
-.input-group.input-group-sm .twitter-typeahead:first-child .tt-hint {
-  border-radius: 3px 0 0 3px !important;
-}
-.input-group.input-group-sm .twitter-typeahead:last-child .tt-input,
-.input-group.input-group-sm .twitter-typeahead:last-child .tt-hint {
-  border-radius: 0 3px 3px 0 !important;
-}
-.form-control-sm.tt-input,
-.hint-sm.tt-hint,
-.input-group.input-group-sm .tt-input,
-.input-group.input-group-sm .tt-hint {
-  height: 30px;
-  padding: 5px 10px;
-  font-size: 12px;
-  line-height: 1.5;
-}
-.input-group.input-group-lg .twitter-typeahead:first-child .tt-input,
-.input-group.input-group-lg .twitter-typeahead:first-child .tt-hint {
-  border-radius: 6px 0 0 6px !important;
-}
-.input-group.input-group-lg .twitter-typeahead:last-child .tt-input,
-.input-group.input-group-lg .twitter-typeahead:last-child .tt-hint {
-  border-radius: 0 6px 6px 0 !important;
-}
-.form-control-lg.tt-input,
-.hint-lg.tt-hint,
-.input-group.input-group-lg .tt-input,
-.input-group.input-group-lg .tt-hint {
-  height: 45px;
-  padding: 10px 16px;
-  font-size: 18px;
-  line-height: 1.33;
-}
-.tt-dropdown-menu {
-  width: 100%;
-  min-width: 160px;
-  margin-top: 2px;
-  padding: 5px 0;
-  background-color: #ffffff;
-  border: 1px solid #ccc;
-  border: 1px solid rgba(0, 0, 0, 0.15);
-  *border-right-width: 2px;
-  *border-bottom-width: 2px;
-  border-radius: 6px;
-  -webkit-box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
-  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
-  -webkit-background-clip: padding-box;
-  -moz-background-clip: padding;
-  background-clip: padding-box;
-}
-.tt-suggestion {
-  display: block;
-  padding: 3px 20px;
-}
-.tt-suggestion.tt-cursor {
-  color: #262626;
-  background-image: -webkit-linear-gradient(top, #f5f5f5 0%, #e8e8e8 100%);
-  background-image: linear-gradient(to bottom, #f5f5f5 0%, #e8e8e8 100%);
-  background-repeat: repeat-x;
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff5f5f5', endColorstr='#ffe8e8e8', GradientType=0);
-}
-.tt-suggestion.tt-cursor a {
-  color: #ffffff;
-}
-.tt-suggestion p {
-  margin: 0;
-}
-/* Tokenfield-specific Typeahead styling */
-.tokenfield .twitter-typeahead {
-  width: auto;
-}
-.tokenfield .twitter-typeahead .tt-hint {
-  padding: 0;
-  height: 20px;
-}
-.tokenfield.form-control-sm .twitter-typeahead .tt-input,
-.tokenfield.form-control-sm .twitter-typeahead .tt-hint {
-  height: 18px;
-  font-size: 12px;
-  line-height: 1.5;
-}
-.tokenfield.form-control-lg .twitter-typeahead .tt-input,
-.tokenfield.form-control-lg .twitter-typeahead .tt-hint {
-  height: 23px;
-  font-size: 18px;
-  line-height: 1.33;
-}
-.tokenfield .twitter-typeahead .tt-suggestions {
-  font-size: 14px;
-}
diff --git a/vendor/assets/stylesheets/vendor.scss b/vendor/assets/stylesheets/vendor.scss
deleted file mode 100644
index 86c4c7370e..0000000000
--- a/vendor/assets/stylesheets/vendor.scss
+++ /dev/null
@@ -1,2 +0,0 @@
-// all pages
-@import "bootstrap-tokenfield/tokenfield-typeahead.css.scss";
diff --git a/yarn.lock b/yarn.lock
index 0b8c7d558e..7140dbf04f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5122,7 +5122,7 @@ jest@^26.6.3:
     import-local "^3.0.2"
     jest-cli "^26.6.3"
 
-jquery@>=1.7, jquery@^3.6.1:
+jquery@^3.6.1:
   version "3.6.1"
   resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.6.1.tgz#fab0408f8b45fc19f956205773b62b292c147a16"
   integrity sha512-opJeO4nCucVnsjiXOE+/PcCgYw9Gwpvs/a6B1LL/lQhwWwpbVEVYDZ1FokFr8PRc7ghYlrFPuyHuiiDNTQxmcw==
@@ -7012,13 +7012,6 @@ type-fest@^0.8.1:
   resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-0.8.1.tgz#09e249ebde851d3b1e48d27c105444667f17b83d"
   integrity sha512-4dbzIzqvjtgiM5rw1k5rEHtBANKmdudhGyBEajN01fEyhaAIhsoKNy6y7+IN93IfpFtwY9iqi7kD+xwKhQsNJA==
 
-typeahead.js@^0.11.1:
-  version "0.11.1"
-  resolved "https://registry.yarnpkg.com/typeahead.js/-/typeahead.js-0.11.1.tgz#4e64e671b22310a8606f4aec805924ba84b015b8"
-  integrity sha1-TmTmcbIjEKhgb0rsgFkkuoSwFbg=
-  dependencies:
-    jquery ">=1.7"
-
 typedarray-to-buffer@^3.1.5:
   version "3.1.5"
   resolved "https://registry.yarnpkg.com/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz#a97ee7a9ff42691b9f783ff1bc5112fe3fca9080"