diff --git a/core/lib/Drupal/Core/Installer/Form/SiteSettingsForm.php b/core/lib/Drupal/Core/Installer/Form/SiteSettingsForm.php
index 9f84689..134dbcd 100644
--- a/core/lib/Drupal/Core/Installer/Form/SiteSettingsForm.php
+++ b/core/lib/Drupal/Core/Installer/Form/SiteSettingsForm.php
@@ -104,8 +104,9 @@ public function buildForm(array $form, FormStateInterface $form_state) {
         array('driver'),
         array($default_driver),
       ),
-      '#submit' => array('::submitForm'),
-      '#suppress_form_level_submit' => TRUE,
+      // This must be present to allow #limit_validation_errors to function. The
+      // form-level ::submitForm() handler will fire accordingly.
+      '#submit' => [],
     );
 
     $form['errors'] = array();
diff --git a/core/modules/comment/src/CommentForm.php b/core/modules/comment/src/CommentForm.php
index b8101c6..cad6860 100644
--- a/core/modules/comment/src/CommentForm.php
+++ b/core/modules/comment/src/CommentForm.php
@@ -250,8 +250,7 @@ protected function actions(array $form, FormStateInterface $form_state) {
       '#value' => $this->t('Preview'),
       '#access' => $preview_mode != DRUPAL_DISABLED,
       '#validate' => array('::validate'),
-      '#submit' => array('::submitForm', '::preview'),
-      '#suppress_form_level_submit' => TRUE,
+      '#submit' => ['::preview'],
     );
 
     return $element;
diff --git a/core/modules/contact/src/MessageForm.php b/core/modules/contact/src/MessageForm.php
index 7026863..774de46 100644
--- a/core/modules/contact/src/MessageForm.php
+++ b/core/modules/contact/src/MessageForm.php
@@ -156,10 +156,10 @@ public function actions(array $form, FormStateInterface $form_state) {
     $elements = parent::actions($form, $form_state);
     $elements['submit']['#value'] = $this->t('Send message');
     $elements['preview'] = array(
+      '#type' => 'submit',
       '#value' => $this->t('Preview'),
       '#validate' => array('::validate'),
-      '#submit' => array('::submitForm', '::preview'),
-      '#suppress_form_level_submit' => TRUE,
+      '#submit' => array('::preview'),
     );
     return $elements;
   }
diff --git a/core/modules/field_ui/field_ui.module b/core/modules/field_ui/field_ui.module
index 5c2e22f..f987007 100644
--- a/core/modules/field_ui/field_ui.module
+++ b/core/modules/field_ui/field_ui.module
@@ -107,6 +107,7 @@ function field_ui_form_node_type_form_alter(&$form, FormStateInterface $form_sta
     $form['actions']['save_continue']['#value'] = t('Save and manage fields');
     $form['actions']['save_continue']['#weight'] = $form['actions']['save_continue']['#weight'] + 5;
     $form['actions']['save_continue']['#submit'][] = 'field_ui_form_node_type_form_submit';
+    $form['actions']['save_continue']['#suppress_form_level_submit'] = TRUE;
     // Hide the 'Save content type' button.
     $form['actions']['submit']['#access'] = FALSE;
   }
diff --git a/core/modules/field_ui/src/Form/FieldEditForm.php b/core/modules/field_ui/src/Form/FieldEditForm.php
index 9abf3d5..08e673d 100644
--- a/core/modules/field_ui/src/Form/FieldEditForm.php
+++ b/core/modules/field_ui/src/Form/FieldEditForm.php
@@ -168,6 +168,7 @@ public function buildForm(array $form, FormStateInterface $form_state, FieldConf
       '#type' => 'submit',
       '#value' => $this->t('Delete field'),
       '#submit' => array('::delete'),
+      '#suppress_form_level_submit' => TRUE,
     );
     return $form;
   }
diff --git a/core/modules/file/src/Plugin/Field/FieldWidget/FileWidget.php b/core/modules/file/src/Plugin/Field/FieldWidget/FileWidget.php
index 1ad5a1f..9f4f2e9 100644
--- a/core/modules/file/src/Plugin/Field/FieldWidget/FileWidget.php
+++ b/core/modules/file/src/Plugin/Field/FieldWidget/FileWidget.php
@@ -413,6 +413,7 @@ public static function process($element, FormStateInterface $form_state, $form)
     // not just the individual item, to be valid.
     foreach (array('upload_button', 'remove_button') as $key) {
       $element[$key]['#submit'][] = array(get_called_class(), 'submit');
+      $element[$key]['#suppress_form_level_submit'] = TRUE;
       $element[$key]['#limit_validation_errors'] = array(array_slice($element['#parents'], 0, -1));
     }
 
diff --git a/core/modules/forum/src/Form/Overview.php b/core/modules/forum/src/Form/Overview.php
index 24f5142..dae7fb5 100644
--- a/core/modules/forum/src/Form/Overview.php
+++ b/core/modules/forum/src/Form/Overview.php
@@ -86,9 +86,7 @@ public function buildForm(array $form, FormStateInterface $form_state) {
     // Remove the alphabetical reset.
     unset($form['actions']['reset_alphabetical']);
 
-    // The form needs to have submit and validate handlers set explicitly.
     // Use the existing taxonomy overview submit handler.
-    $form['#submit'] = array('::submitForm');
     $form['terms']['#empty'] = $this->t('No containers or forums available. <a href="@container">Add container</a> or <a href="@forum">Add forum</a>.', array(
       '@container' => $this->url('forum.add_container'),
       '@forum' => $this->url('forum.add_forum')
diff --git a/core/modules/image/src/Form/ImageStyleEditForm.php b/core/modules/image/src/Form/ImageStyleEditForm.php
index becc1db..12a7fe4 100644
--- a/core/modules/image/src/Form/ImageStyleEditForm.php
+++ b/core/modules/image/src/Form/ImageStyleEditForm.php
@@ -173,8 +173,7 @@ public function form(array $form, FormStateInterface $form_state) {
             '#type' => 'submit',
             '#value' => $this->t('Add'),
             '#validate' => array('::effectValidate'),
-            '#submit' => array('::submitForm', '::effectSave'),
-            '#suppress_form_level_submit' => TRUE,
+            '#submit' => ['::effectSave'],
           ),
         ),
       ),
diff --git a/core/modules/language/src/Form/LanguageAddForm.php b/core/modules/language/src/Form/LanguageAddForm.php
index f0b1029..a719828 100644
--- a/core/modules/language/src/Form/LanguageAddForm.php
+++ b/core/modules/language/src/Form/LanguageAddForm.php
@@ -53,7 +53,7 @@ public function form(array $form, FormStateInterface $form_state) {
         ),
       ),
       '#validate' => array('::validatePredefined'),
-      '#submit' => array('::submitForm', '::save'),
+      '#submit' => array('::save'),
     );
 
     $custom_language_states_conditions = array(
@@ -76,7 +76,7 @@ public function form(array $form, FormStateInterface $form_state) {
       '#type' => 'submit',
       '#value' => $this->t('Add custom language'),
       '#validate' => array('::validateCustom'),
-      '#submit' => array('::submitForm', '::save'),
+      '#submit' => array('::save'),
     );
 
     return $form;
diff --git a/core/modules/language/src/Form/LanguageEditForm.php b/core/modules/language/src/Form/LanguageEditForm.php
index 79a3a17..6669860 100644
--- a/core/modules/language/src/Form/LanguageEditForm.php
+++ b/core/modules/language/src/Form/LanguageEditForm.php
@@ -39,7 +39,7 @@ public function actions(array $form, FormStateInterface $form_state) {
       '#type' => 'submit',
       '#value' => $this->t('Save language'),
       '#validate' => array('::validateCommon'),
-      '#submit' => array('::submitForm', '::save'),
+      '#submit' => ['::save'],
     );
     return $actions;
   }
diff --git a/core/modules/node/src/NodeForm.php b/core/modules/node/src/NodeForm.php
index 44fccbf..473120d 100644
--- a/core/modules/node/src/NodeForm.php
+++ b/core/modules/node/src/NodeForm.php
@@ -274,7 +274,7 @@ protected function actions(array $form, FormStateInterface $form_state) {
       '#value' => t('Preview'),
       '#weight' => 20,
       '#validate' => array('::validate'),
-      '#submit' => array('::submitForm', '::preview'),
+      '#submit' => ['::preview'],
     );
 
     $element['delete']['#access'] = $node->access('delete');
diff --git a/core/modules/shortcut/src/Form/SetCustomize.php b/core/modules/shortcut/src/Form/SetCustomize.php
index 4f84888..9bb3b5b 100644
--- a/core/modules/shortcut/src/Form/SetCustomize.php
+++ b/core/modules/shortcut/src/Form/SetCustomize.php
@@ -97,7 +97,7 @@ protected function actions(array $form, FormStateInterface $form_state) {
         '#type' => 'submit',
         '#value' => t('Save changes'),
         '#access' => (bool) Element::getVisibleChildren($form['shortcuts']['links']),
-        '#submit' => array('::submitForm', '::save'),
+        '#submit' => ['::save'],
       ),
     );
   }
diff --git a/core/modules/system/tests/modules/form_test/src/Form/FormTestProgrammaticForm.php b/core/modules/system/tests/modules/form_test/src/Form/FormTestProgrammaticForm.php
index 4a142cb..4976541 100644
--- a/core/modules/system/tests/modules/form_test/src/Form/FormTestProgrammaticForm.php
+++ b/core/modules/system/tests/modules/form_test/src/Form/FormTestProgrammaticForm.php
@@ -71,11 +71,9 @@ public function buildForm(array $form, FormStateInterface $form_state) {
     $form['submit_limit_validation'] = array(
       '#type' => 'submit',
       '#value' => 'Submit with limited validation',
-      // Use the same submit handler for this button as for the form itself.
-      // (This must be set explicitly or otherwise the form API will ignore the
-      // #limit_validation_errors property.)
-      '#submit' => array('::submitForm'),
-      '#suppress_form_level_submit' => TRUE,
+      // This must be present to allow #limit_validation_errors to function. The
+      // form-level ::submitForm() handler will fire accordingly.
+      '#submit' => [],
     );
     $user_input = $form_state->getUserInput();
     if (!empty($user_input['field_to_validate']) && $user_input['field_to_validate'] != 'all') {
diff --git a/core/modules/views/src/Plugin/views/field/Field.php b/core/modules/views/src/Plugin/views/field/Field.php
index e34d4a1..91838b8 100644
--- a/core/modules/views/src/Plugin/views/field/Field.php
+++ b/core/modules/views/src/Plugin/views/field/Field.php
@@ -467,6 +467,7 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
         'url' => views_ui_build_form_url($form_state),
       ),
       '#submit' => array(array($this, 'submitTemporaryForm')),
+      '#suppress_form_level_submit' => TRUE,
       '#executes_submit_callback' => TRUE,
     );
 
diff --git a/core/modules/views_ui/src/ViewAddForm.php b/core/modules/views_ui/src/ViewAddForm.php
index 9f28cfe..6d292c5 100644
--- a/core/modules/views_ui/src/ViewAddForm.php
+++ b/core/modules/views_ui/src/ViewAddForm.php
@@ -147,9 +147,12 @@ public function form(array $form, FormStateInterface $form_state) {
    */
   protected function actions(array $form, FormStateInterface $form_state) {
     $actions = parent::actions($form, $form_state);
-    $actions['submit']['#value'] = $this->t('Save and edit');
-    // Remove EntityFormController::save() form the submission handlers.
-    $actions['submit']['#submit'] = array(array($this, 'submitForm'));
+    // Overwrite the submit button to prevent ::save() from being called.
+    $actions['submit'] = array(
+      '#type' => 'submit',
+      '#value' => $this->t('Save and edit'),
+      '#validate' => array('::validate'),
+    );
     $actions['cancel'] = array(
       '#type' => 'submit',
       '#value' => $this->t('Cancel'),