diff --git a/core/modules/aggregator/aggregator.module b/core/modules/aggregator/aggregator.module
index e5321d4..6d4223d 100644
--- a/core/modules/aggregator/aggregator.module
+++ b/core/modules/aggregator/aggregator.module
@@ -197,17 +197,13 @@ function aggregator_menu() {
   );
   $items['aggregator/sources/%aggregator_feed/configure'] = array(
     'title' => 'Configure',
-    'page callback' => 'entity_get_form',
-    'page arguments' => array(2),
-    'access arguments' => array('administer news feeds'),
+    'route_name' => 'aggregator_feed_configure',
     'type' => MENU_LOCAL_TASK,
     'weight' => 10,
   );
   $items['admin/config/services/aggregator/edit/feed/%aggregator_feed'] = array(
     'title' => 'Edit feed',
-    'page callback' => 'entity_get_form',
-    'page arguments' => array(6),
-    'access arguments' => array('administer news feeds'),
+    'route_name' => 'aggregator_feed_edit',
   );
   $items['admin/config/services/aggregator/delete/feed/%aggregator_feed'] = array(
     'title' => 'Delete feed',
diff --git a/core/modules/aggregator/aggregator.routing.yml b/core/modules/aggregator/aggregator.routing.yml
index cadbb14..e2c72c3 100644
--- a/core/modules/aggregator/aggregator.routing.yml
+++ b/core/modules/aggregator/aggregator.routing.yml
@@ -33,6 +33,20 @@ aggregator_feed_add:
   requirements:
     _permission: 'administer news feeds'
 
+aggregator_feed_configure:
+  pattern: 'aggregator/sources/{aggregator_feed}/configure'
+  defaults:
+    _entity_form: 'aggregator_feed.default'
+  requirements:
+    _permission: 'administer news feeds'
+
+aggregator_feed_edit:
+  pattern: 'admin/config/services/aggregator/edit/feed/{aggregator_feed}'
+  defaults:
+    _entity_form: 'aggregator_feed.default'
+  requirements:
+    _permission: 'administer news feeds'
+
 aggregator_feed_refresh:
   pattern: '/admin/config/services/aggregator/update/{aggregator_feed}'
   defaults:
diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TermTest.php b/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TermTest.php
index 99ab62e..2195b55 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TermTest.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TermTest.php
@@ -348,11 +348,6 @@ function testTermInterface() {
     // Check that the term feed page is working.
     $this->drupalGet('taxonomy/term/' . $term->id() . '/feed');
 
-    // Check that the term edit page does not try to interpret additional path
-    // components as arguments for entity_get_form().
-    $this->drupalGet('taxonomy/term/' . $term->id() . '/edit/' . $this->randomName());
-    $this->assertResponse(200, 'The taxonomy term edit menu item ensured appropriate arguments were passed to its page callback.');
-
     // Delete the term.
     $this->drupalPost('taxonomy/term/' . $term->id() . '/edit', array(), t('Delete'));
     $this->drupalPost(NULL, NULL, t('Delete'));
diff --git a/core/modules/taxonomy/taxonomy.module b/core/modules/taxonomy/taxonomy.module
index 0bfa84d..2e091c4 100644
--- a/core/modules/taxonomy/taxonomy.module
+++ b/core/modules/taxonomy/taxonomy.module
@@ -265,14 +265,10 @@ function taxonomy_menu() {
   );
   $items['taxonomy/term/%taxonomy_term/edit'] = array(
     'title' => 'Edit',
-    'page callback' => 'entity_get_form',
-    'page arguments' => array(2, 'default', array()),
-    'access callback' => 'entity_page_access',
-    'access arguments' => array(2, 'update'),
+    'route_name' => 'taxonomy_term_edit',
     'type' => MENU_LOCAL_TASK,
     'context' => MENU_CONTEXT_PAGE | MENU_CONTEXT_INLINE,
     'weight' => 10,
-    'file' => 'taxonomy.admin.inc',
   );
   $items['taxonomy/term/%taxonomy_term/delete'] = array(
     'title' => 'Delete',
@@ -316,12 +312,8 @@ function taxonomy_menu() {
   );
   $items['admin/structure/taxonomy/manage/%taxonomy_vocabulary/edit'] = array(
     'title' => 'Edit',
-    'page callback' => 'entity_get_form',
-    'page arguments' => array(4),
-    'access callback' => 'entity_page_access',
-    'access arguments' => array(4, 'update'),
+    'route_name' => 'taxonomy_vocabulary_edit',
     'type' => MENU_LOCAL_TASK,
-    'file' => 'taxonomy.admin.inc',
   );
   $items['admin/structure/taxonomy/%taxonomy_vocabulary/delete'] = array(
     'title' => 'Delete',
diff --git a/core/modules/taxonomy/taxonomy.routing.yml b/core/modules/taxonomy/taxonomy.routing.yml
index 09dc6d0..8a3d21f 100644
--- a/core/modules/taxonomy/taxonomy.routing.yml
+++ b/core/modules/taxonomy/taxonomy.routing.yml
@@ -12,6 +12,13 @@ taxonomy_term_add:
   requirements:
     _access_taxonomy_term_create: 'taxonomy_term'
 
+taxonomy_term_edit:
+  pattern: 'taxonomy/term/{taxonomy_term}/edit'
+  defaults:
+    _entity_form: 'taxonomy_term.default'
+  requirements:
+    _entity_access: 'taxonomy_term.update'
+
 taxonomy_term_delete:
   pattern: '/taxonomy/term/{taxonomy_term}/delete'
   defaults:
@@ -19,6 +26,13 @@ taxonomy_term_delete:
   requirements:
     _entity_access: 'taxonomy_term.delete'
 
+taxonomy_vocabulary_edit:
+  pattern: 'admin/structure/taxonomy/manage/{taxonomy_vocabulary}/edit'
+  defaults:
+    _entity_form: 'taxonomy_vocabulary.default'
+  requirements:
+    _entity_access: 'taxonomy_vocabulary.update'
+
 taxonomy_vocabulary_delete:
   pattern: '/admin/structure/taxonomy/manage/{taxonomy_vocabulary}/delete'
   defaults:
diff --git a/core/modules/user/lib/Drupal/user/ProfileFormController.php b/core/modules/user/lib/Drupal/user/ProfileFormController.php
index c10c226..adee645 100644
--- a/core/modules/user/lib/Drupal/user/ProfileFormController.php
+++ b/core/modules/user/lib/Drupal/user/ProfileFormController.php
@@ -7,6 +7,10 @@
 
 namespace Drupal\user;
 
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Drupal\Core\Session\AccountInterface;
+
 /**
  * Form controller for the profile forms.
  */
@@ -17,12 +21,17 @@ class ProfileFormController extends AccountFormController {
    */
   protected function actions(array $form, array &$form_state) {
     $element = parent::actions($form, $form_state);
+
+    // The user account being edited.
     $account = $this->entity;
 
+    // The user doing the editing.
+    $user = $this->getCurrentUser();
+
     $element['delete']['#type'] = 'submit';
     $element['delete']['#value'] = t('Cancel account');
-    $element['delete']['#submit'] = array('user_edit_cancel_submit');
-    $element['delete']['#access'] = $account->id() > 1 && (($account->id() == $GLOBALS['user']->id() && user_access('cancel account')) || user_access('administer users'));
+    $element['delete']['#submit'] = array(array($this, 'editCancelSubmit'));
+    $element['delete']['#access'] = $account->id() > 1 && (($account->id() == $user->id() && $user->hasPermission('cancel account')) || $user->hasPermission('administer users'));
 
     return $element;
   }
@@ -41,4 +50,19 @@ public function save(array $form, array &$form_state) {
 
     drupal_set_message(t('The changes have been saved.'));
   }
+
+  /**
+   * Provides a submit handler for the 'Cancel account' button.
+   */
+  public function editCancelSubmit($form, &$form_state) {
+    $destination = array();
+    $query = $this->request->query;
+    if ($query->has('destination')) {
+      $destination = array('destination' => $query->get('destination'));
+      $query->remove('destination');
+    }
+    // Note: We redirect from user/uid/edit to user/uid/cancel to make the tabs disappear.
+    $account = $form_state['controller']->entity;
+    $form_state['redirect'] = array('user/' . $account->id() . '/cancel', array('query' => $destination));
+  }
 }
diff --git a/core/modules/user/user.module b/core/modules/user/user.module
index 62ccfd6..a3a2fec 100644
--- a/core/modules/user/user.module
+++ b/core/modules/user/user.module
@@ -944,12 +944,8 @@ function user_menu() {
   );
   $items['user/%user/edit'] = array(
     'title' => 'Edit',
-    'page callback' => 'entity_get_form',
-    'page arguments' => array(1),
-    'access callback' => 'entity_page_access',
-    'access arguments' => array(1, 'update'),
+    'route_name' => 'user_edit',
     'type' => MENU_LOCAL_TASK,
-    'file' => 'user.pages.inc',
   );
   return $items;
 }
diff --git a/core/modules/user/user.pages.inc b/core/modules/user/user.pages.inc
index 4d8c195..18343bc 100644
--- a/core/modules/user/user.pages.inc
+++ b/core/modules/user/user.pages.inc
@@ -119,21 +119,6 @@ function template_preprocess_user(&$variables) {
 }
 
 /**
- * Submit function for the 'Cancel account' button on the user edit form.
- */
-function user_edit_cancel_submit($form, &$form_state) {
-  $destination = array();
-  $query = Drupal::request()->query;
-  if ($query->has('destination')) {
-    $destination = drupal_get_destination();
-    $query->remove('destination');
-  }
-  // Note: We redirect from user/uid/edit to user/uid/cancel to make the tabs disappear.
-  $account = $form_state['controller']->getEntity();
-  $form_state['redirect'] = array("user/" . $account->id() . "/cancel", array('query' => $destination));
-}
-
-/**
  * Form builder; confirm form for cancelling user account.
  *
  * @ingroup forms
diff --git a/core/modules/user/user.routing.yml b/core/modules/user/user.routing.yml
index 90570ea..547c770 100644
--- a/core/modules/user/user.routing.yml
+++ b/core/modules/user/user.routing.yml
@@ -102,3 +102,10 @@ user_login:
     _form: '\Drupal\user\Form\UserLoginForm'
   requirements:
     _access: 'TRUE'
+
+user_edit:
+  pattern: '/user/{user}/edit'
+  defaults:
+    _entity_form: 'user.default'
+  requirements:
+    _entity_access: 'user.update'