diff --git a/core/lib/Drupal/Core/Config/Entity/ConfigEntityListController.php b/core/lib/Drupal/Core/Config/Entity/ConfigEntityListController.php
index 0d071ec..5c2f213 100644
--- a/core/lib/Drupal/Core/Config/Entity/ConfigEntityListController.php
+++ b/core/lib/Drupal/Core/Config/Entity/ConfigEntityListController.php
@@ -54,10 +54,7 @@ public function buildHeader() {
     $row = parent::buildHeader();
     // Override defaults.
     $row['label'] = $this->entityInfo['label'];
-    $row['id'] = array(
-      'data' => $row['id'],
-      'class' => array(RESPONSIVE_PRIORITY_MEDIUM),
-    );
+    unset($row['id']);
     if (empty($this->weightKey)) {
       return $row;
     }
@@ -86,9 +83,7 @@ public function buildRow(EntityInterface $entity) {
         '#markup' => check_plain($row['label']),
       ));
     }
-    $row['id'] = array('data' => array(
-      '#markup' => check_plain($row['id']),
-    ));
+    unset($row['id']);
     if (empty($this->weightKey)) {
       return $row;
     }
diff --git a/core/modules/config/lib/Drupal/config/Tests/ConfigEntityListTest.php b/core/modules/config/lib/Drupal/config/Tests/ConfigEntityListTest.php
index 1113b31..831bd2d 100644
--- a/core/modules/config/lib/Drupal/config/Tests/ConfigEntityListTest.php
+++ b/core/modules/config/lib/Drupal/config/Tests/ConfigEntityListTest.php
@@ -73,10 +73,6 @@ function testList() {
     $entity_info = entity_get_info('config_test');
     $expected_items = array(
       'label' => $entity_info['label'],
-      'id' => array(
-        'data' => 'Machine name',
-        'class' => array(RESPONSIVE_PRIORITY_MEDIUM),
-      ),
       'operations' => 'Operations',
     );
     $actual_items = $controller->buildHeader();
@@ -90,9 +86,6 @@ function testList() {
         '#href' => $uri['path'],
         '#options' => $uri['options'],
       )),
-      'id' =>  array('data' => array(
-        '#markup' => 'default',
-      )),
       'operations' => array(
         'data' => $controller->buildOperations($entity),
       ),
@@ -120,26 +113,25 @@ function testListUI() {
 
     // Test the table header.
     $elements = $this->xpath('//div[@id="content"]//table/thead/tr/th');
-    $this->assertEqual(count($elements), 3, 'Correct number of table header cells found.');
+    $this->assertEqual(count($elements), 2, 'Correct number of table header cells found.');
 
     // Test the contents of each th cell.
     $entity_info = entity_get_info('config_test');
-    $expected_items = array($entity_info['label'], 'Machine name', 'Operations');
+    $expected_items = array($entity_info['label'], 'Operations');
     foreach ($elements as $key => $element) {
       $this->assertIdentical((string) $element[0], $expected_items[$key]);
     }
 
     // Check the number of table row cells.
     $elements = $this->xpath('//div[@id="content"]//table/tbody/tr[@class="odd"]/td');
-    $this->assertEqual(count($elements), 3, 'Correct number of table row cells found.');
+    $this->assertEqual(count($elements), 2, 'Correct number of table row cells found.');
 
     // Check the contents of each row cell. The first cell contains the label,
     // the second contains the machine name, and the third contains the
     // operations list.
     $title = $elements[0]->children();
     $this->assertIdentical((string) $title, 'Default');
-    $this->assertIdentical((string) $elements[1], 'default');
-    $this->assertTrue($elements[2]->children()->xpath('//ul'), 'Operations list found.');
+    $this->assertTrue($elements[1]->children()->xpath('//ul'), 'Operations list found.');
 
     // Add a new entity using the operations link.
     $this->assertLink('Add test configuration');
@@ -152,7 +144,6 @@ function testListUI() {
     // text of the label and machine name appears in the list (versus elsewhere
     // on the page).
     $this->assertFieldByXpath('//td/a', 'Antelope', "Label found for added 'Antelope' entity.");
-    $this->assertFieldByXpath('//td', 'antelope', "Machine name found for added 'Antelope' entity.");
 
     // Edit the entity using the operations link.
     $this->assertLink('Edit');
@@ -166,7 +157,6 @@ function testListUI() {
     // text of the label and machine name appears in the list (versus elsewhere
     // on the page).
     $this->assertFieldByXpath('//td/a', 'Albatross', "Label found for updated 'Albatross' entity.");
-    $this->assertFieldByXpath('//td', 'albatross', "Machine name found for updated 'Albatross' entity.");
 
     // Delete the added entity using the operations link.
     $this->assertLink('Delete');
@@ -178,7 +168,6 @@ function testListUI() {
     // Verify that the text of the label and machine name does not appear in
     // the list (though it may appear elsewhere on the page).
     $this->assertNoFieldByXpath('//td', 'Albatross', "No label found for deleted 'Albatross' entity.");
-    $this->assertNoFieldByXpath('//td', 'albatross', "No machine name found for deleted 'Albatross' entity.");
 
     // Delete the original entity using the operations link.
     $this->clickLink('Delete');
@@ -189,7 +178,6 @@ function testListUI() {
     // Verify that the text of the label and machine name does not appear in
     // the list (though it may appear elsewhere on the page).
     $this->assertNoFieldByXpath('//td', 'Default', "No label found for deleted 'Default' entity.");
-    $this->assertNoFieldByXpath('//td', 'default', "No machine name found for deleted 'Default' entity.");
 
     // Confirm that the empty text is displayed.
     $this->assertText('There is no Test configuration yet.');
diff --git a/core/modules/contact/lib/Drupal/contact/CategoryListController.php b/core/modules/contact/lib/Drupal/contact/CategoryListController.php
index 26a3703..b96d5dd 100644
--- a/core/modules/contact/lib/Drupal/contact/CategoryListController.php
+++ b/core/modules/contact/lib/Drupal/contact/CategoryListController.php
@@ -45,7 +45,7 @@ public function buildHeader() {
     // The two array_slice work together to put additional columns after the
     // first ones.
     // @todo Simplify this http://drupal.org/node/1876718
-    return array_slice($row, 0, 2, TRUE) + array(
+    return array_slice($row, 0, 1, TRUE) + array(
       'default' => t('Default'),
       'recipients' => t('Recipients'),
     ) + array_slice($row, 0, NULL, TRUE);
diff --git a/core/modules/menu/lib/Drupal/menu/MenuListController.php b/core/modules/menu/lib/Drupal/menu/MenuListController.php
index 369d645..88bafbd 100644
--- a/core/modules/menu/lib/Drupal/menu/MenuListController.php
+++ b/core/modules/menu/lib/Drupal/menu/MenuListController.php
@@ -21,7 +21,7 @@ public function buildHeader() {
     $row = parent::buildHeader();
     // Add description column after first too.
     // @todo Simplify this http://drupal.org/node/1876718
-    return array_slice($row, 0, 2, TRUE) + array(
+    return array_slice($row, 0, 1, TRUE) + array(
       'description' => array(
         'data' => t('Description'),
         'class' => array(RESPONSIVE_PRIORITY_MEDIUM),