diff --git a/core/modules/contact/contact.admin.inc b/core/modules/contact/contact.admin.inc
deleted file mode 100644
index 32ddf7102e4..00000000000
--- a/core/modules/contact/contact.admin.inc
+++ /dev/null
@@ -1,53 +0,0 @@
-<?php
-
-/**
- * @file
- * Admin page callbacks for the Contact module.
- */
-
-use Drupal\contact\Plugin\Core\Entity\Category;
-
-/**
- * Page callback: Lists contact categories.
- *
- * @return array
- *   A build array in the format expected by drupal_render().
- *
- * @see contact_menu()
- */
-function contact_category_list() {
-  drupal_set_title(t('Contact form categories'));
-  return Drupal::entityManager()
-    ->getListController('contact_category')
-    ->render();
-}
-
-/**
- * Page callback: Presents the category creation form.
- *
- * @return array
- *   A form array as expected by drupal_render().
- *
- * @see contact_menu()
- */
-function contact_category_add() {
-  drupal_set_title(t('Add contact form category'));
-  $category = entity_create('contact_category', array());
-  return entity_get_form($category);
-}
-
-/**
- * Page callback: Presents the category edit form.
- *
- * @param Drupal\contact\Plugin\Core\Entity\Category $category
- *   The contact category to edit.
- *
- * @return array
- *   A form array as expected by drupal_render().
- *
- * @see contact_menu()
- */
-function contact_category_edit(Category $category) {
-  drupal_set_title(t('Edit %label contact form category', array('%label' => $category->label())), PASS_THROUGH);
-  return entity_get_form($category);
-}
diff --git a/core/modules/contact/contact.module b/core/modules/contact/contact.module
index 3ef1ce6fb33..718a128c180 100644
--- a/core/modules/contact/contact.module
+++ b/core/modules/contact/contact.module
@@ -58,28 +58,19 @@ function contact_permission() {
  */
 function contact_menu() {
   $items['admin/structure/contact'] = array(
-    'title' => 'Contact form',
+    'title' => 'Contact form categories',
     'description' => 'Create a system contact form and set up categories for the form to use.',
-    'page callback' => 'contact_category_list',
-    'access arguments' => array('administer contact forms'),
-    'file' => 'contact.admin.inc',
+    'route_name' => 'contact_category_list',
   );
   $items['admin/structure/contact/add'] = array(
     'title' => 'Add category',
-    'page callback' => 'contact_category_add',
-    'access arguments' => array('administer contact forms'),
+    'route_name' => 'contact_category_add',
     'type' => MENU_LOCAL_ACTION,
     'weight' => 1,
-    'file' => 'contact.admin.inc',
   );
   $items['admin/structure/contact/manage/%contact_category'] = array(
     'title' => 'Edit contact category',
-    'title callback' => 'entity_page_label',
-    'title arguments' => array(4),
-    'page callback' => 'contact_category_edit',
-    'page arguments' => array(4),
-    'access arguments' => array('administer contact forms'),
-    'file' => 'contact.admin.inc',
+    'route_name' => 'contact_category_edit',
   );
   $items['admin/structure/contact/manage/%contact_category/edit'] = array(
     'title' => 'Edit',
diff --git a/core/modules/contact/contact.routing.yml b/core/modules/contact/contact.routing.yml
index 1f349379855..4cbfff238aa 100644
--- a/core/modules/contact/contact.routing.yml
+++ b/core/modules/contact/contact.routing.yml
@@ -4,3 +4,25 @@ contact_category_delete:
     _form: '\Drupal\contact\Form\DeleteForm'
   requirements:
     _permission: 'administer contact forms'
+
+contact_category_list:
+  pattern: '/admin/structure/contact'
+  defaults:
+    _content: '\Drupal\Core\Entity\Controller\EntityListController::listing'
+    entity_type: 'contact_category'
+  requirements:
+    _permission: 'administer contact forms'
+
+contact_category_add:
+  pattern: '/admin/structure/contact/add'
+  defaults:
+    _entity_form: contact_category.add
+  requirements:
+    _permission: 'administer contact forms'
+
+contact_category_edit:
+  pattern: '/admin/structure/contact/manage/{contact_category}'
+  defaults:
+    _entity_form: contact_category.edit
+  requirements:
+    _permission: 'administer contact forms'
diff --git a/core/modules/contact/lib/Drupal/contact/Plugin/Core/Entity/Category.php b/core/modules/contact/lib/Drupal/contact/Plugin/Core/Entity/Category.php
index 7e068da84e3..a224d1a7bfd 100644
--- a/core/modules/contact/lib/Drupal/contact/Plugin/Core/Entity/Category.php
+++ b/core/modules/contact/lib/Drupal/contact/Plugin/Core/Entity/Category.php
@@ -23,7 +23,8 @@ use Drupal\contact\CategoryInterface;
  *     "storage" = "Drupal\contact\CategoryStorageController",
  *     "list" = "Drupal\contact\CategoryListController",
  *     "form" = {
- *       "default" = "Drupal\contact\CategoryFormController"
+ *       "add" = "Drupal\contact\CategoryFormController",
+ *       "edit" = "Drupal\contact\CategoryFormController"
  *     }
  *   },
  *   uri_callback = "contact_category_uri",
diff --git a/core/modules/contact/lib/Drupal/contact/Tests/ContactSitewideTest.php b/core/modules/contact/lib/Drupal/contact/Tests/ContactSitewideTest.php
index 1ea830b49a4..9ae74b9471e 100644
--- a/core/modules/contact/lib/Drupal/contact/Tests/ContactSitewideTest.php
+++ b/core/modules/contact/lib/Drupal/contact/Tests/ContactSitewideTest.php
@@ -276,7 +276,7 @@ class ContactSitewideTest extends WebTestBase {
     $edit['recipients'] = $recipients;
     $edit['reply'] = $reply;
     $edit['selected'] = ($selected ? TRUE : FALSE);
-    $this->drupalPost("admin/structure/contact/manage/$id/edit", $edit, t('Save'));
+    $this->drupalPost("admin/structure/contact/manage/$id", $edit, t('Save'));
   }
 
   /**