diff -u b/core/modules/user/src/AccountForm.php b/core/modules/user/src/AccountForm.php
--- b/core/modules/user/src/AccountForm.php
+++ b/core/modules/user/src/AccountForm.php
@@ -94,7 +94,7 @@
       '#type' => 'email',
       '#title' => $this->t('Email address'),
       '#description' => $this->t('A valid email address. All emails from the system will be sent to this address. The email address is not made public and will only be used if you wish to receive a new password or wish to receive certain news or notifications by email.'),
-      '#required' => user_mail_required($account->getEmail()),
+      '#required' => !(!$account->getEmail() && $user->hasPermission('administer users')),
       '#default_value' => (!$register ? $account->getEmail() : ''),
     ];
 
@@ -112,7 +112,7 @@
         'spellcheck' => 'false',
       ],
       '#default_value' => (!$register ? $account->getAccountName() : ''),
-      '#access' => $account->name->access('edit', $user, TRUE),
+      '#access' => $account->name->access('edit'),
     ];
 
     // Display password field only for existing users or when user is allowed to
@@ -190,7 +190,7 @@
       '#title' => $this->t('Status'),
       '#default_value' => $status,
       '#options' => [$this->t('Blocked'), $this->t('Active')],
-      '#access' => $account->status->access('edit', $user, TRUE),
+      '#access' => $account->status->access('edit'),
     ];
 
     $roles = array_map(['\Drupal\Component\Utility\Html', 'escape'], user_role_names(TRUE));
diff -u b/core/modules/user/src/Form/UserMultipleCancelConfirm.php b/core/modules/user/src/Form/UserMultipleCancelConfirm.php
--- b/core/modules/user/src/Form/UserMultipleCancelConfirm.php
+++ b/core/modules/user/src/Form/UserMultipleCancelConfirm.php
@@ -143,7 +143,6 @@
 
     // Display account cancellation method selection, if allowed.
     $user = $this->currentUser();
-    $cancelMethods = user_cancel_methods();
     $selectCancel = $user->hasPermission('administer users') || $user->hasPermission('select account cancellation method');
 
     $form['user_cancel_method'] = [
@@ -151,7 +150,8 @@
       '#title' => $this->t('When cancelling these accounts'),
       '#access' => $selectCancel,
     ];
-    $form['user_cancel_method'] += $cancelMethods;
+
+    $form['user_cancel_method'] += user_cancel_methods();
 
     if (!$selectCancel) {
       // Display an item to inform the user of the setting.
@@ -159,7 +159,7 @@
       $form['user_cancel_method_show'] = [
         '#type' => 'item',
         '#title' => $this->t('When cancelling these accounts'),
-        '#plain_text' => $cancelMethods['#options'][$default_method],
+        '#plain_text' => $form['user_cancel_method']['#options'][$default_method],
       ];
     }
 
reverted:
--- b/core/modules/user/src/Plugin/Validation/Constraint/UserMailRequiredValidator.php
+++ a/core/modules/user/src/Plugin/Validation/Constraint/UserMailRequiredValidator.php
@@ -29,7 +29,7 @@
       $existing_value = $account_unchanged->getEmail();
     }
 
+    $required = !(!$existing_value && \Drupal::currentUser()->hasPermission('administer users'));
-    $required = user_mail_required($existing_value);
 
     if ($required && (!isset($items) || $items->isEmpty())) {
       $this->context->addViolation($constraint->message, ['@name' => $account->getFieldDefinition('mail')->getLabel()]);
diff -u b/core/modules/user/src/RegisterForm.php b/core/modules/user/src/RegisterForm.php
--- b/core/modules/user/src/RegisterForm.php
+++ b/core/modules/user/src/RegisterForm.php
@@ -36,7 +36,7 @@
 
     $form['#attached']['library'][] = 'core/drupal.form';
 
-    // For users editing their own account, populate the form fields using data from the
+    // For non-admin users, populate the form fields using data from the
     // browser.
     if (!$admin) {
       $form['#attributes']['data-user-info-from-browser'] = TRUE;
reverted:
--- b/core/modules/user/src/Tests/Views/UserFieldsAccessChangeTest.php
+++ /dev/null
@@ -1,54 +0,0 @@
-<?php
-
-namespace Drupal\user\Tests\Views;
-
-/**
- * Checks if user fields access permissions can be modified by other modules.
- *
- * @group user
- */
-class UserFieldsAccessChangeTest extends UserTestBase {
-
-  /**
-   * Modules to enable.
-   *
-   * @var array
-   */
-  public static $modules = ['user_access_test'];
-
-  /**
-   * Views used by this test.
-   *
-   * @var array
-   */
-  public static $testViews = ['test_user_fields_access'];
-
-  /**
-   * Tests if another module can change field access.
-   */
-  public function testUserFieldAccess() {
-    $path = 'test_user_fields_access';
-    $this->drupalGet($path);
-
-    // User has access to name and created date by default.
-    $this->assertText(t('Name'));
-    $this->assertText(t('Created'));
-
-    // User does not by default have access to init, mail and status.
-    $this->assertNoText(t('Init'));
-    $this->assertNoText(t('Email'));
-    $this->assertNoText(t('Status'));
-
-    // Assign sub-admin role to grant extra access.
-    $user = $this->drupalCreateUser(['sub-admin']);
-    $this->drupalLogin($user);
-
-    $this->drupalGet($path);
-
-    // Access for init, mail and status is added in hook_entity_field_access().
-    $this->assertText(t('Init'));
-    $this->assertText(t('Email'));
-    $this->assertText(t('Status'));
-  }
-
-}
reverted:
--- b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_fields_access.yml
+++ /dev/null
@@ -1,478 +0,0 @@
-langcode: en
-status: true
-dependencies:
-  module:
-    - user
-id: test_user_fields_access
-label: ''
-module: views
-description: ''
-tag: ''
-base_table: users_field_data
-base_field: uid
-core: 8.x
-display:
-  default:
-    display_plugin: default
-    id: default
-    display_title: Master
-    position: 0
-    display_options:
-      access:
-        type: none
-        options: {  }
-      cache:
-        type: tag
-        options: {  }
-      query:
-        type: views_query
-        options:
-          disable_sql_rewrite: false
-          distinct: false
-          replica: false
-          query_comment: ''
-          query_tags: {  }
-      exposed_form:
-        type: basic
-        options:
-          submit_button: Apply
-          reset_button: false
-          reset_button_label: Reset
-          exposed_sorts_label: 'Sort by'
-          expose_sort_order: true
-          sort_asc_label: Asc
-          sort_desc_label: Desc
-      pager:
-        type: mini
-        options:
-          items_per_page: 10
-          offset: 0
-          id: 0
-          total_pages: null
-          expose:
-            items_per_page: false
-            items_per_page_label: 'Items per page'
-            items_per_page_options: '5, 10, 25, 50'
-            items_per_page_options_all: false
-            items_per_page_options_all_label: '- All -'
-            offset: false
-            offset_label: Offset
-          tags:
-            previous: ‹‹
-            next: ››
-      style:
-        type: table
-        options:
-          grouping: {  }
-          row_class: ''
-          default_row_class: true
-          override: true
-          sticky: false
-          caption: ''
-          summary: ''
-          description: ''
-          columns:
-            name: name
-            status: status
-            mail: mail
-            init: init
-            created: created
-          info:
-            name:
-              sortable: false
-              default_sort_order: asc
-              align: ''
-              separator: ''
-              empty_column: false
-              responsive: ''
-            status:
-              sortable: false
-              default_sort_order: asc
-              align: ''
-              separator: ''
-              empty_column: false
-              responsive: ''
-            mail:
-              sortable: false
-              default_sort_order: asc
-              align: ''
-              separator: ''
-              empty_column: false
-              responsive: ''
-            init:
-              sortable: false
-              default_sort_order: asc
-              align: ''
-              separator: ''
-              empty_column: false
-              responsive: ''
-            created:
-              sortable: false
-              default_sort_order: asc
-              align: ''
-              separator: ''
-              empty_column: false
-              responsive: ''
-          default: '-1'
-          empty_table: false
-      row:
-        type: fields
-      fields:
-        name:
-          id: name
-          table: users_field_data
-          field: name
-          relationship: none
-          group_type: group
-          admin_label: ''
-          label: Name
-          exclude: false
-          alter:
-            alter_text: false
-            text: ''
-            make_link: false
-            path: ''
-            absolute: false
-            external: false
-            replace_spaces: false
-            path_case: none
-            trim_whitespace: false
-            alt: ''
-            rel: ''
-            link_class: ''
-            prefix: ''
-            suffix: ''
-            target: ''
-            nl2br: false
-            max_length: 0
-            word_boundary: false
-            ellipsis: false
-            more_link: false
-            more_link_text: ''
-            more_link_path: ''
-            strip_tags: false
-            trim: false
-            preserve_tags: ''
-            html: false
-          element_type: ''
-          element_class: ''
-          element_label_type: ''
-          element_label_class: ''
-          element_label_colon: true
-          element_wrapper_type: ''
-          element_wrapper_class: ''
-          element_default_classes: true
-          empty: ''
-          hide_empty: false
-          empty_zero: false
-          hide_alter_empty: true
-          click_sort_column: value
-          type: user_name
-          settings:
-            link_to_entity: true
-          group_column: value
-          group_columns: {  }
-          group_rows: true
-          delta_limit: 0
-          delta_offset: 0
-          delta_reversed: false
-          delta_first_last: false
-          multi_type: separator
-          separator: ', '
-          field_api_classes: false
-          entity_type: user
-          entity_field: name
-          plugin_id: field
-        status:
-          id: status
-          table: users_field_data
-          field: status
-          relationship: none
-          group_type: group
-          admin_label: ''
-          label: Status
-          exclude: false
-          alter:
-            alter_text: false
-            text: ''
-            make_link: false
-            path: ''
-            absolute: false
-            external: false
-            replace_spaces: false
-            path_case: none
-            trim_whitespace: false
-            alt: ''
-            rel: ''
-            link_class: ''
-            prefix: ''
-            suffix: ''
-            target: ''
-            nl2br: false
-            max_length: 0
-            word_boundary: true
-            ellipsis: true
-            more_link: false
-            more_link_text: ''
-            more_link_path: ''
-            strip_tags: false
-            trim: false
-            preserve_tags: ''
-            html: false
-          element_type: ''
-          element_class: ''
-          element_label_type: ''
-          element_label_class: ''
-          element_label_colon: true
-          element_wrapper_type: ''
-          element_wrapper_class: ''
-          element_default_classes: true
-          empty: ''
-          hide_empty: false
-          empty_zero: false
-          hide_alter_empty: true
-          click_sort_column: value
-          type: boolean
-          settings:
-            format: default
-            format_custom_true: ''
-            format_custom_false: ''
-          group_column: value
-          group_columns: {  }
-          group_rows: true
-          delta_limit: 0
-          delta_offset: 0
-          delta_reversed: false
-          delta_first_last: false
-          multi_type: separator
-          separator: ', '
-          field_api_classes: false
-          entity_type: user
-          entity_field: status
-          plugin_id: field
-        mail:
-          id: mail
-          table: users_field_data
-          field: mail
-          relationship: none
-          group_type: group
-          admin_label: ''
-          label: Email
-          exclude: false
-          alter:
-            alter_text: false
-            text: ''
-            make_link: false
-            path: ''
-            absolute: false
-            external: false
-            replace_spaces: false
-            path_case: none
-            trim_whitespace: false
-            alt: ''
-            rel: ''
-            link_class: ''
-            prefix: ''
-            suffix: ''
-            target: ''
-            nl2br: false
-            max_length: 0
-            word_boundary: true
-            ellipsis: true
-            more_link: false
-            more_link_text: ''
-            more_link_path: ''
-            strip_tags: false
-            trim: false
-            preserve_tags: ''
-            html: false
-          element_type: ''
-          element_class: ''
-          element_label_type: ''
-          element_label_class: ''
-          element_label_colon: true
-          element_wrapper_type: ''
-          element_wrapper_class: ''
-          element_default_classes: true
-          empty: ''
-          hide_empty: false
-          empty_zero: false
-          hide_alter_empty: true
-          click_sort_column: value
-          type: basic_string
-          settings: {  }
-          group_column: value
-          group_columns: {  }
-          group_rows: true
-          delta_limit: 0
-          delta_offset: 0
-          delta_reversed: false
-          delta_first_last: false
-          multi_type: separator
-          separator: ', '
-          field_api_classes: false
-          entity_type: user
-          entity_field: mail
-          plugin_id: field
-        init:
-          id: init
-          table: users_field_data
-          field: init
-          relationship: none
-          group_type: group
-          admin_label: ''
-          label: Init
-          exclude: false
-          alter:
-            alter_text: false
-            text: ''
-            make_link: false
-            path: ''
-            absolute: false
-            external: false
-            replace_spaces: false
-            path_case: none
-            trim_whitespace: false
-            alt: ''
-            rel: ''
-            link_class: ''
-            prefix: ''
-            suffix: ''
-            target: ''
-            nl2br: false
-            max_length: 0
-            word_boundary: true
-            ellipsis: true
-            more_link: false
-            more_link_text: ''
-            more_link_path: ''
-            strip_tags: false
-            trim: false
-            preserve_tags: ''
-            html: false
-          element_type: ''
-          element_class: ''
-          element_label_type: ''
-          element_label_class: ''
-          element_label_colon: true
-          element_wrapper_type: ''
-          element_wrapper_class: ''
-          element_default_classes: true
-          empty: ''
-          hide_empty: false
-          empty_zero: false
-          hide_alter_empty: true
-          click_sort_column: value
-          type: basic_string
-          settings: {  }
-          group_column: value
-          group_columns: {  }
-          group_rows: true
-          delta_limit: 0
-          delta_offset: 0
-          delta_reversed: false
-          delta_first_last: false
-          multi_type: separator
-          separator: ', '
-          field_api_classes: false
-          entity_type: user
-          entity_field: init
-          plugin_id: field
-        created:
-          id: created
-          table: users_field_data
-          field: created
-          relationship: none
-          group_type: group
-          admin_label: ''
-          label: Created
-          exclude: false
-          alter:
-            alter_text: false
-            text: ''
-            make_link: false
-            path: ''
-            absolute: false
-            external: false
-            replace_spaces: false
-            path_case: none
-            trim_whitespace: false
-            alt: ''
-            rel: ''
-            link_class: ''
-            prefix: ''
-            suffix: ''
-            target: ''
-            nl2br: false
-            max_length: 0
-            word_boundary: true
-            ellipsis: true
-            more_link: false
-            more_link_text: ''
-            more_link_path: ''
-            strip_tags: false
-            trim: false
-            preserve_tags: ''
-            html: false
-          element_type: ''
-          element_class: ''
-          element_label_type: ''
-          element_label_class: ''
-          element_label_colon: true
-          element_wrapper_type: ''
-          element_wrapper_class: ''
-          element_default_classes: true
-          empty: ''
-          hide_empty: false
-          empty_zero: false
-          hide_alter_empty: true
-          click_sort_column: value
-          type: timestamp
-          settings:
-            date_format: medium
-            custom_date_format: ''
-            timezone: ''
-          group_column: value
-          group_columns: {  }
-          group_rows: true
-          delta_limit: 0
-          delta_offset: 0
-          delta_reversed: false
-          delta_first_last: false
-          multi_type: separator
-          separator: ', '
-          field_api_classes: false
-          entity_type: user
-          entity_field: created
-          plugin_id: field
-      filters: {  }
-      sorts: {  }
-      title: ''
-      header: {  }
-      footer: {  }
-      empty: {  }
-      relationships: {  }
-      arguments: {  }
-      display_extenders: {  }
-    cache_metadata:
-      max-age: 0
-      contexts:
-        - 'languages:language_content'
-        - 'languages:language_interface'
-        - url.query_args
-      tags: {  }
-  page_1:
-    display_plugin: page
-    id: page_1
-    display_title: Page
-    position: 1
-    display_options:
-      display_extenders: {  }
-      path: test_user_fields_access
-    cache_metadata:
-      max-age: 0
-      contexts:
-        - 'languages:language_content'
-        - 'languages:language_interface'
-        - url.query_args
-      tags: {  }
reverted:
--- b/core/modules/user/user.module
+++ a/core/modules/user/user.module
@@ -1445,23 +1445,3 @@
     $variables['content'][$key] = $variables['elements'][$key];
   }
 }
-
-/**
- * Determine if the user account 'mail' field is required.
- *
- * @param string $existing_value
- *   Existing mail value.
- *
- * @return boolean True if the mail field is required.
- */
-function user_mail_required($existing_value) {
-  $required = TRUE;
-
-  if (!$existing_value && \Drupal::currentUser()->hasPermission('administer users')) {
-    $required = FALSE;
-  }
-
-  \Drupal::moduleHandler()->alter('user_mail_required', $required, $existing_value);
-
-  return $required;
-}
diff -u b/core/modules/user/user.routing.yml b/core/modules/user/user.routing.yml
--- b/core/modules/user/user.routing.yml
+++ b/core/modules/user/user.routing.yml
@@ -67,7 +67,7 @@
     _form: '\Drupal\user\Form\UserMultipleCancelConfirm'
     _title: 'Cancel user'
   requirements:
-    _access: 'TRUE'
+    _permission: 'administer users'
 
 entity.user_role.collection:
   path: '/admin/people/roles'