diff --git a/core/modules/block/lib/Drupal/block/Tests/BlockTest.php b/core/modules/block/lib/Drupal/block/Tests/BlockTest.php
index c766053..bb83cf5 100644
--- a/core/modules/block/lib/Drupal/block/Tests/BlockTest.php
+++ b/core/modules/block/lib/Drupal/block/Tests/BlockTest.php
@@ -49,9 +49,6 @@ function testBlockVisibility() {
     $this->drupalGet('user');
     $this->assertNoText($title, 'Block was not displayed according to block visibility rules.');
 
-    $this->drupalGet('USER/' . $this->adminUser->id());
-    $this->assertNoText($title, 'Block was not displayed according to block visibility rules regardless of path case.');
-
     // Confirm that the block is not displayed to anonymous users.
     $this->drupalLogout();
     $this->drupalGet('');
diff --git a/core/modules/user/user.module b/core/modules/user/user.module
index 0a8d4ab..2f624a3 100644
--- a/core/modules/user/user.module
+++ b/core/modules/user/user.module
@@ -917,10 +917,7 @@ function user_menu() {
     'title' => 'My account',
     'title callback' => 'user_page_title',
     'title arguments' => array(1),
-    'page callback' => 'user_view_page',
-    'page arguments' => array(1),
-    'access callback' => 'entity_page_access',
-    'access arguments' => array(1),
+    'route_name' => 'user_view_page',
   );
   $items['user/%user/view'] = array(
     'title' => 'View',
@@ -1081,8 +1078,8 @@ function user_menu_title() {
 /**
  * Menu item title callback - use the user name.
  */
-function user_page_title(UserInterface $account = NULL) {
-  return $account ? $account->getUsername() : '';
+function user_page_title(UserInterface $account) {
+  return $account->getUsername();
 }
 
 /**
@@ -1392,18 +1389,6 @@ function user_delete_multiple(array $uids) {
 }
 
 /**
- * Page callback wrapper for user_view().
- */
-function user_view_page($account) {
-  if (is_object($account)) {
-    return user_view($account);
-  }
-  // An administrator may try to view a non-existent account,
-  // so we give them a 404 (versus a 403 for non-admins).
-  throw new NotFoundHttpException();
-}
-
-/**
  * Generate an array for rendering the given user.
  *
  * When viewing a user profile, the $page array contains:
diff --git a/core/modules/user/user.routing.yml b/core/modules/user/user.routing.yml
index 90570ea..777663b 100644
--- a/core/modules/user/user.routing.yml
+++ b/core/modules/user/user.routing.yml
@@ -102,3 +102,11 @@ user_login:
     _form: '\Drupal\user\Form\UserLoginForm'
   requirements:
     _access: 'TRUE'
+
+user_view_page:
+  pattern: '/user/{user}'
+  defaults:
+    _entity_view: 'user.full'
+  requirements:
+    user: \d+
+    _entity_access: 'user.view'