diff --git a/core/modules/field_ui/lib/Drupal/field_ui/Tests/ManageDisplayTest.php b/core/modules/field_ui/lib/Drupal/field_ui/Tests/ManageDisplayTest.php
index 1b8c16d..84e2bc0 100644
--- a/core/modules/field_ui/lib/Drupal/field_ui/Tests/ManageDisplayTest.php
+++ b/core/modules/field_ui/lib/Drupal/field_ui/Tests/ManageDisplayTest.php
@@ -299,7 +299,14 @@ function testNonInitializedFields() {
    * Tests hiding the view modes fieldset when there's only one available.
    */
   function testSingleViewMode() {
-    $this->drupalGet('admin/structure/taxonomy/manage/' . $this->vocabulary . '/display');
+    // Create a test field.
+    $edit = array(
+      'fields[_add_new_field][label]' => 'Test',
+      'fields[_add_new_field][field_name]' => 'test',
+    );
+    $this->fieldUIAddNewField('admin/structure/taxonomy/manage/' . $this->vocabulary . '/overview', $edit);
+
+    $this->drupalGet('admin/structure/taxonomy/manage/' . $this->vocabulary . '/overview/display');
     $this->assertNoText('Use custom display settings for the following view modes', 'Custom display settings fieldset found.');
 
     // This may not trigger a notice when 'view_modes_custom' isn't available.
diff --git a/core/modules/forum/config/entity.form_display.taxonomy_term.forums.default.yml b/core/modules/forum/config/entity.form_display.taxonomy_term.forums.default.yml
index 9721a0a..834ce12 100644
--- a/core/modules/forum/config/entity.form_display.taxonomy_term.forums.default.yml
+++ b/core/modules/forum/config/entity.form_display.taxonomy_term.forums.default.yml
@@ -10,10 +10,13 @@ content:
     settings:
       size: 60
       placeholder: ''
-  description:
-    type: text_textfield
-    weight: 0
     settings: { }
+  forum_description:
+    type: text_textarea
+    weight: 1
+    settings:
+      rows: 5
+      placeholder: ''
 dependencies:
   entity:
     - taxonomy.vocabulary.forums
diff --git a/core/modules/forum/config/field.field.taxonomy_term.forum_description.yml b/core/modules/forum/config/field.field.taxonomy_term.forum_description.yml
new file mode 100644
index 0000000..166c994
--- /dev/null
+++ b/core/modules/forum/config/field.field.taxonomy_term.forum_description.yml
@@ -0,0 +1,13 @@
+id: taxonomy_term.forum_description
+uuid: 19f95967-fe48-4f52-8e36-546303f4d589
+status: true
+langcode: en
+name: forum_description
+entity_type: taxonomy_term
+type: text_long
+settings: {  }
+module: text
+locked: false
+cardinality: 1
+translatable: false
+indexes: {  }
diff --git a/core/modules/forum/config/field.instance.taxonomy_term.forums.forum_description.yml b/core/modules/forum/config/field.instance.taxonomy_term.forums.forum_description.yml
new file mode 100644
index 0000000..f5bfcac
--- /dev/null
+++ b/core/modules/forum/config/field.instance.taxonomy_term.forums.forum_description.yml
@@ -0,0 +1,16 @@
+id: taxonomy_term.forums.forum_description
+uuid: 4b8963a1-63f5-48d3-9600-a718cca6ea8f
+status: true
+langcode: en
+field_uuid: 19f95967-fe48-4f52-8e36-546303f4d589
+field_name: forum_description
+entity_type: taxonomy_term
+bundle: forums
+label: Description
+description: ''
+required: false
+default_value: {  }
+default_value_function: ''
+settings:
+  text_processing: '1'
+field_type: text_long
diff --git a/core/modules/forum/forum.module b/core/modules/forum/forum.module
index 4e3cd52..065180b 100644
--- a/core/modules/forum/forum.module
+++ b/core/modules/forum/forum.module
@@ -709,7 +709,7 @@ function template_preprocess_forum_list(&$variables) {
   $row = 0;
   // Sanitize each forum so that the template can safely print the data.
   foreach ($variables['forums'] as $id => $forum) {
-    $variables['forums'][$id]->description = filter_xss_admin($forum->description->value);
+    $variables['forums'][$id]->description = $forum->forum_description->processed;
     $variables['forums'][$id]->link = url("forum/" . $forum->id());
     $variables['forums'][$id]->name = String::checkPlain($forum->label());
     $variables['forums'][$id]->is_container = !empty($forum->forum_container->value);
diff --git a/core/modules/forum/lib/Drupal/forum/Tests/ForumTest.php b/core/modules/forum/lib/Drupal/forum/Tests/ForumTest.php
index 35a4bd1..b332479 100644
--- a/core/modules/forum/lib/Drupal/forum/Tests/ForumTest.php
+++ b/core/modules/forum/lib/Drupal/forum/Tests/ForumTest.php
@@ -43,17 +43,17 @@ class ForumTest extends WebTestBase {
   protected $web_user;
 
   /**
-   * An array representing a forum container.
+   * A taxonomy term representing a forum container.
    */
   protected $forumContainer;
 
   /**
-   * An array representing a forum.
+   * A taxonomy term representing a forum.
    */
   protected $forum;
 
   /**
-   * An array representing a root forum.
+   * A taxonomy term representing a root forum.
    */
   protected $root_forum;
 
@@ -124,7 +124,7 @@ function testForum() {
     // active forum topics list.
     $this->drupalLogin($this->web_user);
     // Verify that this user is shown a message that they may not post content.
-    $this->drupalGet('forum/' . $this->forum['tid']);
+    $this->drupalGet('forum/' . $this->forum->id());
     $this->assertText(t('You are not allowed to post new content in the forum'), "Authenticated user without permission to post forum content is shown message in local tasks to that effect.");
 
 
@@ -145,7 +145,7 @@ function testForum() {
     // Verify that this user is shown a local task to add new forum content.
     $this->drupalGet('forum');
     $this->assertLink(t('Add new Forum topic'));
-    $this->drupalGet('forum/' . $this->forum['tid']);
+    $this->drupalGet('forum/' . $this->forum->id());
     $this->assertLink(t('Add new Forum topic'));
 
     // Login a user with permission to edit any forum content.
@@ -157,7 +157,7 @@ function testForum() {
     $this->drupalGet('forum');
 
     // Verify row for testing forum.
-    $forum_arg = array(':forum' => 'forum-list-' . $this->forum['tid']);
+    $forum_arg = array(':forum' => 'forum-list-' . $this->forum->id());
 
     // Topics cell contains number of topics and number of unread topics.
     $xpath = $this->buildXPathQuery('//tr[@id=:forum]//td[@class="topics"]', $forum_arg);
@@ -166,13 +166,13 @@ function testForum() {
     $this->assertEqual($topics, '6', 'Number of topics found.');
 
     // Verify the number of unread topics.
-    $unread_topics = $this->container->get('forum_manager')->unreadTopics($this->forum['tid'], $this->edit_any_topics_user->id());
+    $unread_topics = $this->container->get('forum_manager')->unreadTopics($this->forum->id(), $this->edit_any_topics_user->id());
     $unread_topics = format_plural($unread_topics, '1 new post', '@count new posts');
     $xpath = $this->buildXPathQuery('//tr[@id=:forum]//td[@class="topics"]//a', $forum_arg);
     $this->assertFieldByXPath($xpath, $unread_topics, 'Number of unread topics found.');
     // Verify that the forum name is in the unread topics text.
     $xpath = $this->buildXPathQuery('//tr[@id=:forum]//em[@class="placeholder"]', $forum_arg);
-    $this->assertFieldByXpath($xpath, $this->forum['name'], 'Forum name found in unread topics text.');
+    $this->assertFieldByXpath($xpath, $this->forum->label(), 'Forum name found in unread topics text.');
 
     // Verify total number of posts in forum.
     $xpath = $this->buildXPathQuery('//tr[@id=:forum]//td[@class="posts"]', $forum_arg);
@@ -194,14 +194,14 @@ function testForum() {
 
     // Test editing a forum topic that has a comment.
     $this->drupalLogin($this->edit_any_topics_user);
-    $this->drupalGet('forum/' . $this->forum['tid']);
+    $this->drupalGet('forum/' . $this->forum->id());
     $this->drupalPostForm('node/' . $node->id() . '/edit', array(), t('Save'));
     $this->assertResponse(200);
 
     // Test the root forum page title change.
     $this->drupalGet('forum');
     $this->assertTitle(t('Forums | Drupal'));
-    $vocabulary = entity_load('taxonomy_vocabulary', $this->forum['vid']);
+    $vocabulary = entity_load('taxonomy_vocabulary', $this->forum->vid->value);
     $vocabulary->set('name', 'Discussions');
     $vocabulary->save();
     $this->drupalGet('forum');
@@ -266,7 +266,7 @@ private function doAdminTests($user) {
     $this->clickLink('edit container');
     $this->assertRaw('Edit container', 'Followed the link to edit the container');
     // Create forum inside the forum container.
-    $this->forum = $this->createForum('forum', $this->forumContainer['tid']);
+    $this->forum = $this->createForum('forum', $this->forumContainer->id());
     // Verify the "edit forum" link exists and functions correctly.
     $this->drupalGet('admin/structure/forum');
     $this->clickLink('edit forum');
@@ -274,12 +274,12 @@ private function doAdminTests($user) {
     // Navigate back to forum structure page.
     $this->drupalGet('admin/structure/forum');
     // Create second forum in container.
-    $this->delete_forum = $this->createForum('forum', $this->forumContainer['tid']);
+    $this->delete_forum = $this->createForum('forum', $this->forumContainer->id());
     // Save forum overview.
     $this->drupalPostForm('admin/structure/forum/', array(), t('Save'));
     $this->assertRaw(t('The configuration options have been saved.'));
     // Delete this second forum.
-    $this->deleteForum($this->delete_forum['tid']);
+    $this->deleteForum($this->delete_forum->id());
     // Create forum at the top (root) level.
     $this->root_forum = $this->createForum('forum');
 
@@ -289,7 +289,7 @@ private function doAdminTests($user) {
     $this->assertNoFieldByName('op', t('Delete'), 'Delete button not found.');
 
     // Test term edit form alterations.
-    $this->drupalGet('taxonomy/term/' . $this->forumContainer['tid'] . '/edit');
+    $this->drupalGet('taxonomy/term/' . $this->forumContainer->id() . '/edit');
     // Test parent field been hidden by forum module.
     $this->assertNoField('parent[]', 'Parent field not found.');
 
@@ -369,7 +369,7 @@ function createForum($type, $parent = 0) {
 
     $edit = array(
       'name[0][value]' => $name,
-      'description[0][value]' => $description,
+      'forum_description[0][value]' => $description,
       'parent[0]' => $parent,
       'weight' => '0',
     );
@@ -387,11 +387,15 @@ function createForum($type, $parent = 0) {
     );
 
     // Verify forum.
-    $term = db_query("SELECT * FROM {taxonomy_term_data} t WHERE t.vid = :vid AND t.name = :name AND t.description__value = :desc", array(':vid' => \Drupal::config('forum.settings')->get('vocabulary'), ':name' => $name, ':desc' => $description))->fetchAssoc();
-    $this->assertTrue(!empty($term), 'The ' . $type . ' exists in the database');
+    $tids = \Drupal::service('entity.query')->get('taxonomy_term')
+      ->condition('vid', \Drupal::config('forum.settings')->get('vocabulary'))
+      ->condition('forum_description', $description)
+      ->execute();
+    $tid = reset($tids);
+    $this->assertTrue(!empty($tid), 'The ' . $type . ' exists in the database');
 
     // Verify forum hierarchy.
-    $tid = $term['tid'];
+    $term = entity_load('taxonomy_term', $tid);
     $parent_tid = db_query("SELECT t.parent FROM {taxonomy_term_hierarchy} t WHERE t.tid = :tid", array(':tid' => $tid))->fetchField();
     $this->assertTrue($parent == $parent_tid, 'The ' . $type . ' is linked to its container');
 
@@ -468,7 +472,7 @@ function testForumWithNewPost() {
     // Login as the first user.
     $this->drupalLogin($this->admin_user);
     // Check that forum renders properly.
-    $this->drupalGet("forum/{$this->forum['tid']}");
+    $this->drupalGet("forum/{$this->forum->id()}");
     $this->assertResponse(200);
   }
 
@@ -492,7 +496,7 @@ function createForumTopic($forum, $container = FALSE) {
       'title[0][value]' => $title,
       'body[0][value]' => $body,
     );
-    $tid = $forum['tid'];
+    $tid = $forum->id();
 
     // Create the forum topic, preselecting the forum ID via a URL parameter.
     $this->drupalPostForm('node/add/forum', $edit, t('Save'), array('query' => array('forum_id' => $tid)));
@@ -500,12 +504,12 @@ function createForumTopic($forum, $container = FALSE) {
     $type = t('Forum topic');
     if ($container) {
       $this->assertNoRaw(t('@type %title has been created.', array('@type' => $type, '%title' => $title)), 'Forum topic was not created');
-      $this->assertRaw(t('The item %title is a forum container, not a forum.', array('%title' => $forum['name'])), 'Error message was shown');
+      $this->assertRaw(t('The item %title is a forum container, not a forum.', array('%title' => $forum->label())), 'Error message was shown');
       return;
     }
     else {
       $this->assertRaw(t('@type %title has been created.', array('@type' => $type, '%title' => $title)), 'Forum topic was created');
-      $this->assertNoRaw(t('The item %title is a forum container, not a forum.', array('%title' => $forum['name'])), 'No error message was shown');
+      $this->assertNoRaw(t('The item %title is a forum container, not a forum.', array('%title' => $forum->label())), 'No error message was shown');
     }
 
     // Retrieve node object, ensure that the topic was created and in the proper forum.
@@ -556,8 +560,8 @@ private function verifyForums(EntityInterface $node, $admin, $response = 200) {
     $breadcrumb_build = array(
       l(t('Home'), NULL),
       l(t('Forums'), 'forum'),
-      l($this->forumContainer['name'], 'forum/' . $this->forumContainer['tid']),
-      l($this->forum['name'], 'forum/' . $this->forum['tid']),
+      l($this->forumContainer->label(), 'forum/' . $this->forumContainer->id()),
+      l($this->forum->label(), 'forum/' . $this->forum->id()),
     );
     $breadcrumb = array(
       '#theme' => 'breadcrumb',
@@ -578,7 +582,7 @@ private function verifyForums(EntityInterface $node, $admin, $response = 200) {
       $edit['title[0][value]'] = 'node/' . $node->id();
       $edit['body[0][value]'] = $this->randomName(256);
       // Assume the topic is initially associated with $forum.
-      $edit['taxonomy_forums'] = $this->root_forum['tid'];
+      $edit['taxonomy_forums'] = $this->root_forum->id();
       $edit['shadow'] = TRUE;
       $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Save'));
       $this->assertRaw(t('Forum topic %title has been updated.', array('%title' => $edit['title[0][value]'])), 'Forum node was edited');
@@ -588,7 +592,7 @@ private function verifyForums(EntityInterface $node, $admin, $response = 200) {
         ':nid' => $node->id(),
         ':vid' => $node->getRevisionId(),
       ))->fetchField();
-      $this->assertTrue($forum_tid == $this->root_forum['tid'], 'The forum topic is linked to a different forum');
+      $this->assertTrue($forum_tid == $this->root_forum->id(), 'The forum topic is linked to a different forum');
 
       // Delete forum node.
       $this->drupalPostForm('node/' . $node->id() . '/delete', array(), t('Delete'));
@@ -607,16 +611,16 @@ private function verifyForums(EntityInterface $node, $admin, $response = 200) {
    */
   private function verifyForumView($forum, $parent = NULL) {
     // View forum page.
-    $this->drupalGet('forum/' . $forum['tid']);
+    $this->drupalGet('forum/' . $forum->id());
     $this->assertResponse(200);
-    $this->assertTitle($forum['name'] . ' | Drupal');
+    $this->assertTitle($forum->label() . ' | Drupal');
 
     $breadcrumb_build = array(
       l(t('Home'), NULL),
       l(t('Forums'), 'forum'),
     );
     if (isset($parent)) {
-      $breadcrumb_build[] = l($parent['name'], 'forum/' . $parent['tid']);
+      $breadcrumb_build[] = l($parent->label(), 'forum/' . $parent->id());
     }
 
     $breadcrumb = array(
diff --git a/core/modules/forum/templates/forum-list.html.twig b/core/modules/forum/templates/forum-list.html.twig
index 5b41f6a..4135e26 100644
--- a/core/modules/forum/templates/forum-list.html.twig
+++ b/core/modules/forum/templates/forum-list.html.twig
@@ -15,8 +15,7 @@
  *   - icon_title: Text alternative for the forum icon.
  *   - name: The name of the forum.
  *   - link: The URL to link to this forum.
- *   - description: The description field for the forum, containing:
- *     - value: The descriptive text for the forum.
+ *   - description: The description of the forum.
  *   - new_topics: A flag indicating if the forum contains unread posts.
  *   - new_url: A URL to the forum's unread posts.
  *   - new_text: Text for the above URL, which tells how many new posts.
@@ -59,8 +58,8 @@
             <span class="visually-hidden">{{ forum.icon_title }}</span>
           </div>
           <div class="name"><a href="{{ forum.link }}">{{ forum.label }}</a></div>
-          {% if forum.description.value %}
-            <div class="description">{{ forum.description.value }}</div>
+          {% if forum.description %}
+            <div class="description">{{ forum.description }}</div>
           {% endif %}
         {% for i in 1..forum.depth if forum.depth > 0 %}</div>{% endfor %}
       </td>
diff --git a/core/modules/path/lib/Drupal/path/Tests/PathTaxonomyTermTest.php b/core/modules/path/lib/Drupal/path/Tests/PathTaxonomyTermTest.php
index d2fd278..aa4308d 100644
--- a/core/modules/path/lib/Drupal/path/Tests/PathTaxonomyTermTest.php
+++ b/core/modules/path/lib/Drupal/path/Tests/PathTaxonomyTermTest.php
@@ -48,10 +48,8 @@ function setUp() {
   function testTermAlias() {
     // Create a term in the default 'Tags' vocabulary with URL alias.
     $vocabulary = entity_load('taxonomy_vocabulary', 'tags');
-    $description = $this->randomName();
     $edit = array(
       'name[0][value]' => $this->randomName(),
-      'description[0][value]' => $description,
       'path[alias]' => $this->randomName(),
     );
     $this->drupalPostForm('admin/structure/taxonomy/manage/' . $vocabulary->id() . '/add', $edit, t('Save'));
@@ -59,7 +57,7 @@ function testTermAlias() {
 
     // Confirm that the alias works.
     $this->drupalGet($edit['path[alias]']);
-    $this->assertText($description, 'Term can be accessed on URL alias.');
+    $this->assertText($edit['name[0][value]'], 'Term can be accessed on URL alias.');
 
     // Confirm the 'canonical' and 'shortlink' URLs.
     $elements = $this->xpath("//link[contains(@rel, 'canonical') and contains(@href, '" . $edit['path[alias]'] . "')]");
@@ -74,11 +72,11 @@ function testTermAlias() {
 
     // Confirm that the changed alias works.
     $this->drupalGet($edit2['path[alias]']);
-    $this->assertText($description, 'Term can be accessed on changed URL alias.');
+    $this->assertText($edit['name[0][value]'], 'Term can be accessed on changed URL alias.');
 
     // Confirm that the old alias no longer works.
     $this->drupalGet($edit['path[alias]']);
-    $this->assertNoText($description, 'Old URL alias has been removed after altering.');
+    $this->assertNoText($edit['name[0][value]'], 'Old URL alias has been removed after altering.');
     $this->assertResponse(404, 'Old URL alias returns 404.');
 
     // Remove the term's URL alias.
@@ -88,7 +86,7 @@ function testTermAlias() {
 
     // Confirm that the alias no longer works.
     $this->drupalGet($edit2['path[alias]']);
-    $this->assertNoText($description, 'Old URL alias has been removed after altering.');
+    $this->assertNoText($edit['name[0][value]'], 'Old URL alias has been removed after altering.');
     $this->assertResponse(404, 'Old URL alias returns 404.');
   }
 }
diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/Entity/Term.php b/core/modules/taxonomy/lib/Drupal/taxonomy/Entity/Term.php
index bbbed9c..90c383e 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/Entity/Term.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/Entity/Term.php
@@ -144,22 +144,6 @@ public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
       ))
       ->setDisplayConfigurable('form', TRUE);
 
-    $fields['description'] = FieldDefinition::create('text_long')
-      ->setLabel(t('Description'))
-      ->setDescription(t('A description of the term.'))
-      ->setSetting('text_processing', 1)
-      ->setDisplayOptions('view', array(
-        'label' => 'hidden',
-        'type' => 'text_default',
-        'weight' => 0,
-      ))
-      ->setDisplayConfigurable('view', TRUE)
-      ->setDisplayOptions('form', array(
-        'type' => 'text_textfield',
-        'weight' => 0,
-      ))
-      ->setDisplayConfigurable('form', TRUE);
-
     $fields['weight'] = FieldDefinition::create('integer')
       ->setLabel(t('Weight'))
       ->setDescription(t('The weight of this term in relation to other terms.'))
@@ -192,36 +176,6 @@ public function getChangedTime() {
   /**
    * {@inheritdoc}
    */
-  public function getDescription() {
-    return $this->get('description')->value;
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function setDescription($description) {
-    $this->set('description', $description);
-    return $this;
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function getFormat() {
-    return $this->get('description')->format;
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function setFormat($format) {
-    $this->get('description')->format = $format;
-    return $this;
-  }
-
-  /**
-   * {@inheritdoc}
-   */
   public function getName() {
     return $this->label();
   }
diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/TermInterface.php b/core/modules/taxonomy/lib/Drupal/taxonomy/TermInterface.php
index 433f487..94cf56a 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/TermInterface.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/TermInterface.php
@@ -16,42 +16,6 @@
 interface TermInterface extends ContentEntityInterface, EntityChangedInterface {
 
   /**
-   * Gets the term's description.
-   *
-   * @return string
-   *   The term description.
-   */
-  public function getDescription();
-
-  /**
-   * Sets the term's description.
-   *
-   * @param string $description
-   *   The term's description.
-   *
-   * @return $this
-   */
-  public function setDescription($description);
-
-  /**
-   * Gets the text format name for the term's description.
-   *
-   * @return string
-   *   The text format name.
-   */
-  public function getFormat();
-
-  /**
-   * Sets the text format name for the term's description.
-   *
-   * @param string $format
-   *   The term's decription text format.
-   *
-   * @return $this
-   */
-  public function setFormat($format);
-
-  /**
    * Gets the name of the term.
    *
    * @return string
diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TaxonomyTestBase.php b/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TaxonomyTestBase.php
index 9fd5a34..0e380ee 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TaxonomyTestBase.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TaxonomyTestBase.php
@@ -51,15 +51,8 @@ function createVocabulary() {
    * Returns a new term with random properties in vocabulary $vid.
    */
   function createTerm($vocabulary) {
-    $filter_formats = filter_formats();
-    $format = array_pop($filter_formats);
     $term = entity_create('taxonomy_term', array(
       'name' => $this->randomName(),
-      'description' => array(
-        'value' => $this->randomName(),
-        // Use the first available text format.
-        'format' => $format->format,
-      ),
       'vid' => $vocabulary->id(),
       'langcode' => Language::LANGCODE_NOT_SPECIFIED,
     ));
diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TermTest.php b/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TermTest.php
index 4394ab0..7941395 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TermTest.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TermTest.php
@@ -297,7 +297,6 @@ function testTermAutocompletion() {
   function testTermInterface() {
     $edit = array(
       'name[0][value]' => $this->randomName(12),
-      'description[0][value]' => $this->randomName(100),
     );
     // Explicitly set the parents field to 'root', to ensure that
     // TermFormController::save() handles the invalid term ID correctly.
@@ -319,11 +318,9 @@ function testTermInterface() {
     $this->clickLink(t('edit'));
 
     $this->assertRaw($edit['name[0][value]'], 'The randomly generated term name is present.');
-    $this->assertText($edit['description[0][value]'], 'The randomly generated term description is present.');
 
     $edit = array(
       'name[0][value]' => $this->randomName(14),
-      'description[0][value]' => $this->randomName(102),
     );
 
     // Edit the term.
@@ -341,21 +338,6 @@ function testTermInterface() {
     // View the term and check that it is correct.
     $this->drupalGet('taxonomy/term/' . $term->id());
     $this->assertText($edit['name[0][value]'], 'The randomly generated term name is present.');
-    $this->assertText($edit['description[0][value]'], 'The randomly generated term description is present.');
-
-    // Did this page request display a 'term-listing-heading'?
-    $this->assertTrue($this->xpath('//div[contains(@class, "field-taxonomy-term--description")]'), 'Term page displayed the term description element.');
-    // Check that it does NOT show a description when description is blank.
-    $term->setDescription(NULL);
-    $term->save();
-    $this->drupalGet('taxonomy/term/' . $term->id());
-    $this->assertFalse($this->xpath('//div[contains(@class, "field-taxonomy-term--description")]'), 'Term page did not display the term description when description was blank.');
-
-    // Check that the description value is processed.
-    $value = $this->randomName();
-    $term->setDescription($value);
-    $term->save();
-    $this->assertEqual($term->description->processed, "<p>$value</p>\n");
 
     // Check that the term feed page is working.
     $this->drupalGet('taxonomy/term/' . $term->id() . '/feed');
@@ -438,7 +420,6 @@ function testTermMultipleParentsInterface() {
     // Add a new term with multiple parents.
     $edit = array(
       'name[0][value]' => $this->randomName(12),
-      'description[0][value]' => $this->randomName(100),
       'parent[]' => array(0, $parent->id()),
     );
     // Save the new term.
@@ -449,7 +430,6 @@ function testTermMultipleParentsInterface() {
     $term = reset($terms);
     $this->assertNotNull($term, 'Term found in database.');
     $this->assertEqual($edit['name[0][value]'], $term->getName(), 'Term name was successfully saved.');
-    $this->assertEqual($edit['description[0][value]'], $term->getDescription(), 'Term description was successfully saved.');
     // Check that the parent tid is still there. The other parent (<root>) is
     // not added by taxonomy_term_load_parents().
     $parents = taxonomy_term_load_parents($term->id());
diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TokenReplaceTest.php b/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TokenReplaceTest.php
index 18cbdd8..a82c133 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TokenReplaceTest.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TokenReplaceTest.php
@@ -89,7 +89,6 @@ function testTaxonomyTokenReplacement() {
     $tests = array();
     $tests['[term:tid]'] = $term1->id();
     $tests['[term:name]'] = String::checkPlain($term1->getName());
-    $tests['[term:description]'] = $term1->description->processed;
     $tests['[term:url]'] = url('taxonomy/term/' . $term1->id(), array('absolute' => TRUE));
     $tests['[term:node-count]'] = 0;
     $tests['[term:parent:name]'] = '[term:parent:name]';
@@ -104,7 +103,6 @@ function testTaxonomyTokenReplacement() {
     $tests = array();
     $tests['[term:tid]'] = $term2->id();
     $tests['[term:name]'] = String::checkPlain($term2->getName());
-    $tests['[term:description]'] = $term2->description->processed;
     $tests['[term:url]'] = url('taxonomy/term/' . $term2->id(), array('absolute' => TRUE));
     $tests['[term:node-count]'] = 1;
     $tests['[term:parent:name]'] = String::checkPlain($term1->getName());
@@ -122,7 +120,6 @@ function testTaxonomyTokenReplacement() {
 
     // Generate and test unsanitized tokens.
     $tests['[term:name]'] = $term2->getName();
-    $tests['[term:description]'] = $term2->getDescription();
     $tests['[term:parent:name]'] = $term1->getName();
     $tests['[term:vocabulary:name]'] = $this->vocabulary->name;
 
diff --git a/core/modules/taxonomy/taxonomy.install b/core/modules/taxonomy/taxonomy.install
index f76d350..7dac9e8 100644
--- a/core/modules/taxonomy/taxonomy.install
+++ b/core/modules/taxonomy/taxonomy.install
@@ -45,18 +45,6 @@ function taxonomy_schema() {
         'default' => '',
         'description' => 'The term name.',
       ),
-      'description__value' => array(
-        'type' => 'text',
-        'not null' => FALSE,
-        'size' => 'big',
-        'description' => 'A description of the term.',
-      ),
-      'description__format' => array(
-        'type' => 'varchar',
-        'length' => 255,
-        'not null' => FALSE,
-        'description' => 'The filter format ID of the description.',
-      ),
       'weight' => array(
         'type' => 'int',
         'not null' => TRUE,
diff --git a/core/modules/taxonomy/taxonomy.pages.inc b/core/modules/taxonomy/taxonomy.pages.inc
index 294dabb..7c291d3 100644
--- a/core/modules/taxonomy/taxonomy.pages.inc
+++ b/core/modules/taxonomy/taxonomy.pages.inc
@@ -72,9 +72,6 @@ function taxonomy_term_page(Term $term) {
 function taxonomy_term_feed(Term $term) {
   $channel['link'] = url('taxonomy/term/' . $term->id(), array('absolute' => TRUE));
   $channel['title'] = \Drupal::config('system.site')->get('name') . ' - ' . $term->getName();
-  // Only display the description if we have a single term, to avoid clutter and confusion.
-  // HTML will be removed from feed description.
-  $channel['description'] = $term->description->processed;
   $nids = taxonomy_select_nodes($term->id(), FALSE, \Drupal::config('system.rss')->get('items.limit'));
 
   return node_feed($nids, $channel);
diff --git a/core/modules/taxonomy/taxonomy.tokens.inc b/core/modules/taxonomy/taxonomy.tokens.inc
index ce331da..691025c 100644
--- a/core/modules/taxonomy/taxonomy.tokens.inc
+++ b/core/modules/taxonomy/taxonomy.tokens.inc
@@ -31,10 +31,6 @@ function taxonomy_token_info() {
     'name' => t("Name"),
     'description' => t("The name of the taxonomy term."),
   );
-  $term['description'] = array(
-    'name' => t("Description"),
-    'description' => t("The optional description of the taxonomy term."),
-  );
   $term['node-count'] = array(
     'name' => t("Node count"),
     'description' => t("The number of nodes tagged with the taxonomy term."),
@@ -109,10 +105,6 @@ function taxonomy_tokens($type, $tokens, array $data = array(), array $options =
           $replacements[$original] = $sanitize ? String::checkPlain($term->getName()) : $term->getName();
           break;
 
-        case 'description':
-          $replacements[$original] = $sanitize ? $term->description->processed : $term->getDescription();
-          break;
-
         case 'url':
           $replacements[$original] = $term->url('canonical', array('absolute' => TRUE));
           break;
diff --git a/core/modules/taxonomy/taxonomy.views.inc b/core/modules/taxonomy/taxonomy.views.inc
index 59b94ff..7ed449b 100644
--- a/core/modules/taxonomy/taxonomy.views.inc
+++ b/core/modules/taxonomy/taxonomy.views.inc
@@ -127,20 +127,6 @@ function taxonomy_views_data() {
     ),
   );
 
-  // Term description
-  $data['taxonomy_term_data']['description__value'] = array(
-    'title' => t('Term description'),
-    'help' => t('The description associated with a taxonomy term.'),
-    'field' => array(
-      'id' => 'markup',
-      'format' => array('field' => 'description__format'),
-      'click sortable' => FALSE,
-    ),
-    'filter' => array(
-      'id' => 'string',
-    ),
-  );
-
   // Term vocabulary
   $data['taxonomy_term_data']['vid'] = array(
     'title' => t('Vocabulary'),
diff --git a/core/modules/taxonomy/templates/taxonomy-term.html.twig b/core/modules/taxonomy/templates/taxonomy-term.html.twig
index 2ecc713..daf30ec 100644
--- a/core/modules/taxonomy/templates/taxonomy-term.html.twig
+++ b/core/modules/taxonomy/templates/taxonomy-term.html.twig
@@ -6,7 +6,7 @@
  * Available variables:
  * - url: URL of the current term.
  * - name: Name of the current term.
- * - content: Items for the content of the term (fields and description).
+ * - content: Items for the content of the term fields.
  *   Use 'content' to print them all, or print a subset such as
  *   'content.description'. Use the following code to exclude the
  *   printing of a given child element: