diff --git a/core/modules/comment/config/install/views.view.comments_recent.yml b/core/modules/comment/config/install/views.view.comments_recent.yml
index 41ee8e6..7d28f27 100644
--- a/core/modules/comment/config/install/views.view.comments_recent.yml
+++ b/core/modules/comment/config/install/views.view.comments_recent.yml
@@ -41,7 +41,6 @@ display:
           row_class: ''
           default_row_class: true
           type: ul
-          wrapper_class: item-list
           class: ''
       row:
         type: fields
diff --git a/core/modules/simpletest/css/simpletest.module.css b/core/modules/simpletest/css/simpletest.module.css
index 71f7eea..4fa3971 100644
--- a/core/modules/simpletest/css/simpletest.module.css
+++ b/core/modules/simpletest/css/simpletest.module.css
@@ -35,7 +35,7 @@ table#simpletest-form-table tr.simpletest-group label {
   display: inline;
 }
 
-div.message > div.item-list {
+div.message > div.item-list, div.message > ul {
   font-weight: normal;
 }
 
diff --git a/core/modules/system/css/system.theme.css b/core/modules/system/css/system.theme.css
index 37623e6..0bda13d 100644
--- a/core/modules/system/css/system.theme.css
+++ b/core/modules/system/css/system.theme.css
@@ -21,24 +21,6 @@ td.active {
 }
 
 /**
- * Markup generated by item-list.html.twig.
- */
-.item-list .title {
-  font-weight: bold;
-}
-.item-list ul {
-  margin: 0 0 0.75em 0;
-  padding: 0;
-}
-.item-list ul li {
-  margin: 0 0 0.25em 1.5em; /* LTR */
-  padding: 0;
-}
-[dir="rtl"] .item-list ul li {
-  margin: 0 1.5em 0.25em 0;
-}
-
-/**
  * Markup generated by Form API.
  */
 .form-item,
diff --git a/core/modules/system/src/Tests/Theme/FunctionsTest.php b/core/modules/system/src/Tests/Theme/FunctionsTest.php
index c1ad1c7..52962e6 100644
--- a/core/modules/system/src/Tests/Theme/FunctionsTest.php
+++ b/core/modules/system/src/Tests/Theme/FunctionsTest.php
@@ -45,21 +45,21 @@ function testItemList() {
     // Verify that empty items produce the empty string.
     $variables = array();
     $variables['empty'] = 'No items found.';
-    $expected = '<div class="item-list">No items found.</div>';
+    $expected = 'No items found.';
     $this->assertThemeOutput('item_list', $variables, $expected, 'Empty %callback generates empty string.');
 
     // Verify that empty items produce the empty string with title.
     $variables = array();
     $variables['title'] = 'Some title';
     $variables['empty'] = 'No items found.';
-    $expected = '<div class="item-list"><h3>Some title</h3>No items found.</div>';
+    $expected = '<h3>Some title</h3>No items found.';
     $this->assertThemeOutput('item_list', $variables, $expected, 'Empty %callback generates empty string with title.');
 
     // Verify that title set to 0 is output.
     $variables = array();
     $variables['title'] = 0;
     $variables['empty'] = 'No items found.';
-    $expected = '<div class="item-list"><h3>0</h3>No items found.</div>';
+    $expected = '<h3>0</h3>No items found.';
     $this->assertThemeOutput('item_list', $variables, $expected, '%callback with title set to 0 generates a title.');
 
     // Verify that title set to a render array is output.
@@ -68,7 +68,7 @@ function testItemList() {
       '#markup' => '<span>Render array</span>',
     );
     $variables['empty'] = 'No items found.';
-    $expected = '<div class="item-list"><h3><span>Render array</span></h3>No items found.</div>';
+    $expected = '<h3><span>Render array</span></h3>No items found.';
     $this->assertThemeOutput('item_list', $variables, $expected, '%callback with title set to a render array generates a title.');
 
     // Verify that empty text is not displayed when there are list items.
@@ -76,7 +76,7 @@ function testItemList() {
     $variables['title'] = 'Some title';
     $variables['empty'] = 'No items found.';
     $variables['items'] = array('Un', 'Deux', 'Trois');
-    $expected = '<div class="item-list"><h3>Some title</h3><ul><li>Un</li><li>Deux</li><li>Trois</li></ul></div>';
+    $expected = '<h3>Some title</h3><ul><li>Un</li><li>Deux</li><li>Trois</li></ul>';
     $this->assertThemeOutput('item_list', $variables, $expected, '%callback does not print empty text when there are list items.');
 
     // Verify nested item lists.
@@ -137,15 +137,15 @@ function testItemList() {
       'f',
     );
 
-    $inner_b = '<div class="item-list"><ol id="blist">';
+    $inner_b = '<ol id="blist">';
     $inner_b .= '<li>ba</li>';
     $inner_b .= '<li class="item-class-bb">bb</li>';
-    $inner_b .= '</ol></div>';
+    $inner_b .= '</ol>';
 
-    $inner_cb = '<div class="item-list"><ul>';
+    $inner_cb = '<ul>';
     $inner_cb .= '<li>cba</li>';
     $inner_cb .= '<li>cbb</li>';
-    $inner_cb .= '</ul></div>';
+    $inner_cb .= '</ul>';
 
     $inner_c = '<div class="item-list"><ul id="clist">';
     $inner_c .= '<li>ca</li>';
@@ -153,8 +153,7 @@ function testItemList() {
     $inner_c .= '<li>cc</li>';
     $inner_c .= '</ul></div>';
 
-    $expected = '<div class="item-list">';
-    $expected .= '<h3>Some title</h3>';
+    $expected = '<h3>Some title</h3>';
     $expected .= '<ul id="parentlist">';
     $expected .= '<li>a</li>';
     $expected .= '<li id="item-id-b">b' . $inner_b . '</li>';
@@ -162,11 +161,11 @@ function testItemList() {
     $expected .= '<li id="item-id-d">d</li>';
     $expected .= '<li id="item-id-e"></li>';
     $expected .= '<li>f</li>';
-    $expected .= '</ul></div>';
+    $expected .= '</ul>';
 
     $this->assertThemeOutput('item_list', $variables, $expected);
   }
-
+  
   /**
    * Tests links.html.twig.
    */
diff --git a/core/modules/toolbar/css/toolbar.module.css b/core/modules/toolbar/css/toolbar.module.css
index c2388bc..894707b 100644
--- a/core/modules/toolbar/css/toolbar.module.css
+++ b/core/modules/toolbar/css/toolbar.module.css
@@ -20,10 +20,8 @@
 /**
  * Very specific overrides for Drupal system CSS.
  */
-.toolbar li,
+.toolbar ul, .toolbar li,
 .toolbar .menu li,
-.toolbar .item-list,
-.toolbar .item-list li,
 .toolbar .menu li.expanded {
   list-style-type: none;
   list-style-image: none;
diff --git a/core/modules/user/config/install/views.view.who_s_online.yml b/core/modules/user/config/install/views.view.who_s_online.yml
index 9c0faef..98e43bb 100644
--- a/core/modules/user/config/install/views.view.who_s_online.yml
+++ b/core/modules/user/config/install/views.view.who_s_online.yml
@@ -55,7 +55,6 @@ display:
           row_class: ''
           default_row_class: true
           type: ul
-          wrapper_class: item-list
           class: ''
       row:
         type: fields
diff --git a/core/modules/user/src/Tests/UserAdminListingTest.php b/core/modules/user/src/Tests/UserAdminListingTest.php
index bf4681e..fc117fe 100644
--- a/core/modules/user/src/Tests/UserAdminListingTest.php
+++ b/core/modules/user/src/Tests/UserAdminListingTest.php
@@ -70,7 +70,7 @@ public function testUserListing() {
       $name = (string) $account->td[0]->span;
       $roles = array();
       if (isset($account->td[2]->div->ul)) {
-        foreach ($account->td[2]->div->ul->li as $element) {
+        foreach ( $account->td[2]->div->ul->li as $element ) {
           $roles[] = (string) $element;
         }
       }
diff --git a/core/modules/views/src/Plugin/views/style/HtmlList.php b/core/modules/views/src/Plugin/views/style/HtmlList.php
index d965792..b98b030 100644
--- a/core/modules/views/src/Plugin/views/style/HtmlList.php
+++ b/core/modules/views/src/Plugin/views/style/HtmlList.php
@@ -46,7 +46,6 @@ protected function defineOptions() {
 
     $options['type'] = array('default' => 'ul');
     $options['class'] = array('default' => '');
-    $options['wrapper_class'] = array('default' => 'item-list');
 
     return $options;
   }
@@ -62,13 +61,6 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
       '#options' => array('ul' => $this->t('Unordered list'), 'ol' => $this->t('Ordered list')),
       '#default_value' => $this->options['type'],
     );
-    $form['wrapper_class'] = array(
-      '#title' => $this->t('Wrapper class'),
-      '#description' => $this->t('The class to provide on the wrapper, outside the list.'),
-      '#type' => 'textfield',
-      '#size' => '30',
-      '#default_value' => $this->options['wrapper_class'],
-    );
     $form['class'] = array(
       '#title' => $this->t('List class'),
       '#description' => $this->t('The class to provide on the list element itself.'),
diff --git a/core/modules/views/src/Tests/Plugin/StyleHtmlListTest.php b/core/modules/views/src/Tests/Plugin/StyleHtmlListTest.php
index 0642eff..96ed330 100644
--- a/core/modules/views/src/Tests/Plugin/StyleHtmlListTest.php
+++ b/core/modules/views/src/Tests/Plugin/StyleHtmlListTest.php
@@ -33,26 +33,18 @@ function testDefaultRowClasses() {
     $output = $view->preview();
     $output = drupal_render($output);
 
-    // Check that an empty class attribute is not added if the wrapper class is
-    // not set.
-    $this->assertTrue(strpos($output, '<div>') !== FALSE, 'Empty class is not added to DIV when class is not set');
-
     // Check that an empty class attribute is not added if the list class is
     // not set.
     $this->assertTrue(strpos($output, '<ul>') !== FALSE, 'Empty class is not added to UL when class is not set');
 
     // Set wrapper class and list class in style options.
     $view->style_plugin->options['class'] = 'class';
-    $view->style_plugin->options['wrapper_class'] = 'wrapper-class';
 
     $output = $view->preview();
     $output = drupal_render($output);
 
-    // Check that class attribute is present if the wrapper class is set.
-    $this->assertTrue(strpos($output, '<div class="wrapper-class">') !== FALSE, 'Class is added to DIV');
-
     // Check that class attribute is present if the list class is set.
     $this->assertTrue(strpos($output, '<ul class="class">') !== FALSE, 'Class is added to UL');
   }
-
+  
 }
diff --git a/core/modules/views/templates/views-view-list.html.twig b/core/modules/views/templates/views-view-list.html.twig
index 8de787c..129f100 100644
--- a/core/modules/views/templates/views-view-list.html.twig
+++ b/core/modules/views/templates/views-view-list.html.twig
@@ -4,7 +4,6 @@
  * Default theme implementation for a view template to display a list of rows.
  *
  * Available variables:
- * - attributes: HTML attributes for the container.
  * - rows: A list of rows for this list.
  *   - attributes: The row's HTML attributes.
  *   - content: The row's contents.
@@ -20,19 +19,15 @@
 #}
 {% if attributes -%}
   <div{{ attributes }}>
-{% endif %}
   {% if title %}
     <h3>{{ title }}</h3>
   {% endif %}
+{% endif %}
 
-  <{{ list.type }}{{ list.attributes }}>
-
-    {% for row in rows %}
-      <li{{ row.attributes }}>{{ row.content }}</li>
-    {% endfor %}
+<{{ list.type }}{{ list.attributes }}>
 
-  </{{ list.type }}>
+  {% for row in rows %}
+    <li{{ row.attributes }}>{{ row.content }}</li>
+  {% endfor %}
 
-{% if attributes -%}
-  </div>
-{% endif %}
+</{{ list.type }}>
diff --git a/core/modules/views/templates/views-view-summary.html.twig b/core/modules/views/templates/views-view-summary.html.twig
index 4d8ed8f..db9bae5 100644
--- a/core/modules/views/templates/views-view-summary.html.twig
+++ b/core/modules/views/templates/views-view-summary.html.twig
@@ -19,14 +19,12 @@
  * @ingroup themeable
  */
 #}
-<div class="item-list">
-  <ul class="views-summary">
-  {% for row in rows %}
-    <li><a href="{{ row.url }}"{{ row.attributes }}>{{ row.link }}</a>
-      {% if options.count %}
-        ({{ row.count }})
-      {% endif %}
-    </li>
-  {% endfor %}
-  </ul>
-</div>
+<ul class="views-summary">
+{% for row in rows %}
+  <li><a href="{{ row.url }}"{{ row.attributes }}>{{ row.link }}</a>
+    {% if options.count %}
+      ({{ row.count }})
+    {% endif %}
+  </li>
+{% endfor %}
+</ul>
diff --git a/core/modules/views/views.theme.inc b/core/modules/views/views.theme.inc
index d2e11d3..5c99455 100644
--- a/core/modules/views/views.theme.inc
+++ b/core/modules/views/views.theme.inc
@@ -843,12 +843,6 @@ function template_preprocess_views_view_list(&$variables) {
     $variables['list']['attributes'] = new Attribute(array('class' => $class));
   }
 
-  // Fetch wrapper classes from handler options.
-  if ($handler->options['wrapper_class']) {
-    $wrapper_class = explode(' ', $handler->options['wrapper_class']);
-    $variables['attributes']['class'] = array_map('\Drupal\Component\Utility\Html::cleanCssIdentifier', $wrapper_class);
-  }
-
   $variables['list']['type'] = $handler->options['type'];
 
   template_preprocess_views_view_unformatted($variables);
diff --git a/core/modules/views_ui/css/views_ui.admin.theme.css b/core/modules/views_ui/css/views_ui.admin.theme.css
index f423263..dfcca2b 100644
--- a/core/modules/views_ui/css/views_ui.admin.theme.css
+++ b/core/modules/views_ui/css/views_ui.admin.theme.css
@@ -937,7 +937,7 @@ td.group-title {
   content: "\00A0\003E";
 }
 
-.views-ui-dialog details .item-list {
+.views-ui-dialog details ul {
   padding-left: 2em; /* LTR */
 }
 [dir="rtl"] .views-ui-dialog details .item-list {
@@ -1110,11 +1110,11 @@ td.group-title {
 
 /* @group HTML list */
 
-#views-live-preview .view-content > .item-list > ul {
+#views-live-preview .view-content > ul {
   list-style-position: outside;
   padding-left: 21px; /* LTR */
 }
-[dir="rtl"] #views-live-preview .view-content > .item-list > ul {
+[dir="rtl"] #views-live-preview .view-content > ul {
   padding-left: 0;
   padding-right: 21px;
 }
diff --git a/core/modules/views_ui/src/Tests/FieldUITest.php b/core/modules/views_ui/src/Tests/FieldUITest.php
index 81d2b7e..b6985a5 100644
--- a/core/modules/views_ui/src/Tests/FieldUITest.php
+++ b/core/modules/views_ui/src/Tests/FieldUITest.php
@@ -42,18 +42,18 @@ public function testFieldUI() {
     // Ensure that the expected tokens appear in the UI.
     $edit_handler_url = 'admin/structure/views/nojs/handler/test_view/default/field/age';
     $this->drupalGet($edit_handler_url);
-    $result = $this->xpath('//details[@id="edit-options-alter-help"]/div[@class="details-wrapper"]/div[@class="item-list"]/fields/li');
+    $result = $this->xpath('//details[@id="edit-options-alter-help"]/div[@class="details-wrapper"]//li');
     $this->assertEqual((string) $result[0], '{{ age }} == Age');
 
     $edit_handler_url = 'admin/structure/views/nojs/handler/test_view/default/field/id';
     $this->drupalGet($edit_handler_url);
-    $result = $this->xpath('//details[@id="edit-options-alter-help"]/div[@class="details-wrapper"]/div[@class="item-list"]/fields/li');
+    $result = $this->xpath('//details[@id="edit-options-alter-help"]/div[@class="details-wrapper"]//li');
     $this->assertEqual((string) $result[0], '{{ age }} == Age');
     $this->assertEqual((string) $result[1], '{{ id }} == ID');
 
     $edit_handler_url = 'admin/structure/views/nojs/handler/test_view/default/field/name';
     $this->drupalGet($edit_handler_url);
-    $result = $this->xpath('//details[@id="edit-options-alter-help"]/div[@class="details-wrapper"]/div[@class="item-list"]/fields/li');
+    $result = $this->xpath('//details[@id="edit-options-alter-help"]/div[@class="details-wrapper"]//li');
     $this->assertEqual((string) $result[0], '{{ age }} == Age');
     $this->assertEqual((string) $result[1], '{{ id }} == ID');
     $this->assertEqual((string) $result[2], '{{ name }} == Name');
diff --git a/core/themes/seven/css/components/menus-and-lists.css b/core/themes/seven/css/components/menus-and-lists.css
index bd2d908..c68808b 100644
--- a/core/themes/seven/css/components/menus-and-lists.css
+++ b/core/themes/seven/css/components/menus-and-lists.css
@@ -1,15 +1,7 @@
 /**
  * Menus and lists.
  */
-.item-list ul {
-  list-style-type: disc;
-  list-style-image: none;
-  margin: 0.25em 0 0.25em 1.5em; /* LTR */
-}
-[dir="rtl"] .item-list ul {
-  margin: 0.25em 1.5em 0.25em 0;
-}
-.item-list ul li,
+li,
 li.leaf,
 ul.menu li {
   list-style-type: disc;
@@ -18,13 +10,11 @@ ul.menu li {
 ul.menu li {
   margin: 0;
 }
-.item-list ul li.collapsed,
-ul.menu li.collapsed {
+li.collapsed {
   list-style-image: url(../../../../misc/menu-collapsed.png);
   list-style-type: disc;
 }
-.item-list ul li.expanded,
-ul.menu li.expanded {
+li.expanded {
   list-style-image: url(../../../../misc/menu-expanded.png);
   list-style-type: circle;
 }
diff --git a/core/themes/seven/css/components/tables.css b/core/themes/seven/css/components/tables.css
index 6fde17c..539e056 100644
--- a/core/themes/seven/css/components/tables.css
+++ b/core/themes/seven/css/components/tables.css
@@ -94,7 +94,7 @@ th.active > a:hover:after,
 th.active > a:focus:after {
   border-bottom-color: #008ee6;
 }
-td .item-list ul {
+td ul {
   margin: 0;
 }
 td.active {
diff --git a/core/themes/seven/css/components/views-ui.css b/core/themes/seven/css/components/views-ui.css
index b10e29f..43b4ba1 100644
--- a/core/themes/seven/css/components/views-ui.css
+++ b/core/themes/seven/css/components/views-ui.css
@@ -94,8 +94,8 @@ details.fieldset-no-legend {
 
 /* @group Lists */
 
-.views-admin ul.secondary,
-.views-admin .item-list ul {
+.views-admin ul,
+.views-admin ul.secondary {
   margin: 0;
   padding: 0;
 }
diff --git a/core/themes/seven/css/theme/maintenance-page.css b/core/themes/seven/css/theme/maintenance-page.css
index f6b93a0..31723dc 100644
--- a/core/themes/seven/css/theme/maintenance-page.css
+++ b/core/themes/seven/css/theme/maintenance-page.css
@@ -59,6 +59,7 @@
   .task-list li {
     padding: 0.5em 1em 0.5em 3.85em; /* LTR */
     color: #1a1a1a;
+    list-style-type: none;
   }
   [dir="rtl"] .task-list li {
     padding: 0.5em 3.85em 0.5em 1em;