diff --git a/core/modules/layout_builder/src/Form/LayoutBuilderEntityViewDisplayForm.php b/core/modules/layout_builder/src/Form/LayoutBuilderEntityViewDisplayForm.php
index 1b4f23951a..9f19f71a00 100644
--- a/core/modules/layout_builder/src/Form/LayoutBuilderEntityViewDisplayForm.php
+++ b/core/modules/layout_builder/src/Form/LayoutBuilderEntityViewDisplayForm.php
@@ -7,6 +7,8 @@
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\field_ui\Form\EntityViewDisplayEditForm;
 use Drupal\layout_builder\Entity\LayoutEntityDisplayInterface;
+use Drupal\layout_builder\LayoutDisplayHelperTrait;
+use Drupal\layout_builder\LayoutEntityHelperTrait;
 use Drupal\layout_builder\Plugin\SectionStorage\OverridesSectionStorage;
 use Drupal\layout_builder\SectionStorageInterface;
 
@@ -18,6 +20,9 @@
  */
 class LayoutBuilderEntityViewDisplayForm extends EntityViewDisplayEditForm {
 
+  use LayoutDisplayHelperTrait;
+  use LayoutEntityHelperTrait;
+
   /**
    * The entity being used by this form.
    *
@@ -106,9 +111,15 @@ public function form(array $form, FormStateInterface $form_state) {
       // Prevent turning off overrides while any exist.
       if ($this->hasOverrides($this->entity)) {
         $form['layout']['enabled']['#disabled'] = TRUE;
-        $form['layout']['enabled']['#description'] = $this->t('You must revert all customized layouts of this display before you can disable this option.');
+        $form['layout']['enabled']['#description'] = $this->t('Because layout overrides are present, this must be done via "Disable Layout Builder for this display and revert all layout overrides"');
         $form['layout']['allow_custom']['#disabled'] = TRUE;
-        $form['layout']['allow_custom']['#description'] = $this->t('You must revert all customized layouts of this display before you can disable this option.');
+        $form['layout']['allow_custom']['#description'] = $this->t('Because layout overrides are present, this must be done via "Disable Layout Builder for this display and revert all layout overrides"');
+        $form['layout']['revert_all'] = [
+          '#type' => 'submit',
+          '#value' => $this->t('Disable Layout Builder for this display and revert all layout overrides'),
+          '#button_type' => 'danger',
+          '#submit' => ['::confirmRevertAll'],
+        ];
         unset($form['layout']['allow_custom']['#states']);
         unset($form['#entity_builders']['layout_builder']);
       }
@@ -167,13 +178,7 @@ protected function hasOverrides(LayoutEntityDisplayInterface $display) {
     if (!$display->isOverridable()) {
       return FALSE;
     }
-
-    $entity_type = $this->entityTypeManager->getDefinition($display->getTargetEntityTypeId());
-    $query = $this->entityTypeManager->getStorage($display->getTargetEntityTypeId())->getQuery()
-      ->exists(OverridesSectionStorage::FIELD_NAME);
-    if ($bundle_key = $entity_type->getKey('bundle')) {
-      $query->condition($bundle_key, $display->getTargetBundle());
-    }
+    $query = $this->getOverrideQuery($display);
     return (bool) $query->count()->execute();
   }
 
@@ -235,4 +240,16 @@ protected function buildExtraFieldRow($field_id, $extra_field) {
     return parent::buildExtraFieldRow($field_id, $extra_field);
   }
 
+  /**
+   * Send a user to the confirmation route with route params to get back here.
+   *
+   * @param array $form
+   *   An associative array containing the structure of the form.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   The current state of the form.
+   */
+  public function confirmRevertAll(array &$form, FormStateInterface $form_state) {
+    $form_state->setRedirectUrl($this->sectionStorage->getLayoutBuilderUrl('confirm_revert_all'));
+  }
+
 }
diff --git a/core/modules/layout_builder/src/Form/RevertAllConfirmForm.php b/core/modules/layout_builder/src/Form/RevertAllConfirmForm.php
new file mode 100644
index 0000000000..571b23bb4c
--- /dev/null
+++ b/core/modules/layout_builder/src/Form/RevertAllConfirmForm.php
@@ -0,0 +1,142 @@
+<?php
+
+namespace Drupal\layout_builder\Form;
+
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Form\ConfirmFormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\layout_builder\DefaultsSectionStorageInterface;
+use Drupal\layout_builder\LayoutDisplayHelperTrait;
+use Drupal\layout_builder\LayoutEntityHelperTrait;
+use Drupal\layout_builder\LayoutTempstoreRepository;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Confirmation form when disabling layouts on an entity with overrides.
+ *
+ * @internal
+ *   Form classes are internal.
+ */
+class RevertAllConfirmForm extends ConfirmFormBase {
+
+  use LayoutDisplayHelperTrait;
+  use LayoutEntityHelperTrait;
+
+  /**
+   * The layout tempstore repository.
+   *
+   * @var \Drupal\layout_builder\LayoutTempstoreRepository
+   */
+  protected $layoutTempstoreRepository;
+
+  /**
+   * The entity type manager.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+   */
+  protected $entityTypeManager;
+
+  /**
+   * The section storage.
+   *
+   * @var \Drupal\layout_builder\DefaultsSectionStorageInterface
+   */
+  protected $sectionStorage;
+
+  /**
+   * The entity being used by this form.
+   *
+   * @var \Drupal\layout_builder\Entity\LayoutEntityDisplayInterface
+   */
+  protected $entity;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('layout_builder.tempstore_repository'),
+      $container->get('entity_type.manager')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function __construct(LayoutTempstoreRepository $layout_tempstore_repository, EntityTypeManagerInterface $entity_type_manager, $one = NULL, $two = NULL) {
+    $this->layoutTempstoreRepository = $layout_tempstore_repository;
+    $this->entityTypeManager = $entity_type_manager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state, DefaultsSectionStorageInterface $section_storage = NULL, $more = NULL) {
+    if (!$section_storage instanceof DefaultsSectionStorageInterface) {
+      throw new \InvalidArgumentException(sprintf('The section storage with type "%s" and ID "%s" does not provide defaults', $section_storage->getStorageType(), $section_storage->getStorageId()));
+    }
+
+    $this->sectionStorage = $section_storage;
+    $this->entity = $this->sectionStorage->getContexts()['display']->getContextValue();
+
+    // Mark this as an administrative page for JavaScript ("Back to site" link).
+    $form['#attached']['drupalSettings']['path']['currentPathIsAdmin'] = TRUE;
+    return parent::buildForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getQuestion() {
+    return t('Are you sure you want to revert all layouts to the default layout for this display? Layout Builder will also be disabled for this display.');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCancelUrl() {
+    return $this->sectionStorage->getRedirectUrl();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'layout_builder_revert_all';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    $this->revertAll($form, $form_state);
+    $this->sectionStorage->disableLayoutBuilder()->save();
+    $form_state->setRedirectUrl($this->getCancelUrl());
+  }
+
+  /**
+   * Reverts the layout on all entities of this type.
+   *
+   * @param array $form
+   *   An associative array containing the structure of the form.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   The current state of the form.
+   */
+  public function revertAll(array &$form, FormStateInterface $form_state) {
+    $ids = $this->getOverrideQuery($this->entity)->execute();
+    $entity_type_id = $this->entity->getTargetEntityTypeId();
+    $entities = $this->entityTypeManager
+      ->getStorage($entity_type_id)
+      ->loadMultiple($ids);
+    /* @var \Drupal\Core\Entity\FieldableEntityInterface $entity_with_override */
+    foreach ($entities as $entity_with_override) {
+      $override_section_storage = $this->getSectionStorageFromEntity($entity_with_override);
+      $override_section_storage->removeAllSections();
+      $override_section_storage->save();
+      $this->layoutTempstoreRepository->delete($override_section_storage);
+    }
+
+    $this->messenger()->addStatus($this->t('Layout overrides reverted.'));
+  }
+
+}
diff --git a/core/modules/layout_builder/src/LayoutDisplayHelperTrait.php b/core/modules/layout_builder/src/LayoutDisplayHelperTrait.php
new file mode 100644
index 0000000000..1bdcdff3ee
--- /dev/null
+++ b/core/modules/layout_builder/src/LayoutDisplayHelperTrait.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace Drupal\layout_builder;
+
+use Drupal\layout_builder\Entity\LayoutEntityDisplayInterface;
+use Drupal\layout_builder\Plugin\SectionStorage\OverridesSectionStorage;
+
+/**
+ * Methods to help with Layout Builder displays.
+ */
+trait LayoutDisplayHelperTrait {
+  /**
+   * The entity type manager.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+   */
+  protected $entityTypeManager;
+
+  /**
+   * Formats the query for checking if this display has overridden entities.
+   *
+   * @param \Drupal\layout_builder\Entity\LayoutEntityDisplayInterface $display
+   *   The entity display.
+   *
+   * @return \Drupal\Core\Entity\Query\QueryInterface
+   *   The query object that retrieves an entity's layout overrides.
+   */
+  protected function getOverrideQuery(LayoutEntityDisplayInterface $display) {
+    $entity_type = $this->entityTypeManager->getDefinition($display->getTargetEntityTypeId());
+    $query = $this->entityTypeManager->getStorage($display->getTargetEntityTypeId())->getQuery()
+      ->exists(OverridesSectionStorage::FIELD_NAME);
+    if ($bundle_key = $entity_type->getKey('bundle')) {
+      $query->condition($bundle_key, $display->getTargetBundle());
+    }
+    return $query;
+  }
+
+}
diff --git a/core/modules/layout_builder/src/LayoutEntityHelperTrait.php b/core/modules/layout_builder/src/LayoutEntityHelperTrait.php
index e1c4216ce7..8a0a856a3d 100644
--- a/core/modules/layout_builder/src/LayoutEntityHelperTrait.php
+++ b/core/modules/layout_builder/src/LayoutEntityHelperTrait.php
@@ -10,6 +10,7 @@
 use Drupal\Core\Plugin\Context\Context;
 use Drupal\Core\Plugin\Context\ContextDefinition;
 use Drupal\Core\Plugin\Context\EntityContext;
+use Drupal\layout_builder\Entity\LayoutBuilderEntityViewDisplay;
 use Drupal\layout_builder\Entity\LayoutEntityDisplayInterface;
 use Drupal\layout_builder\Plugin\SectionStorage\OverridesSectionStorage;
 
@@ -177,4 +178,45 @@ private function sectionStorageManager() {
     return $this->sectionStorageManager ?: \Drupal::service('plugin.manager.layout_builder.section_storage');
   }
 
+  /**
+   * Returns the layout override for an entity..
+   *
+   * @param \Drupal\Core\Entity\FieldableEntityInterface $entity
+   *   The entity with the overridden layout.
+   *
+   * @return \Drupal\layout_builder\SectionStorageInterface
+   *   The section storage.
+   */
+  public function getSectionStorageFromEntity(FieldableEntityInterface $entity) {
+    $contexts = $this->getSectionStorageContextFromEntity($entity);
+
+    $contexts['entity'] = EntityContext::fromEntity($entity);
+    $contexts['view_mode'] = new Context(new ContextDefinition('string'), 'default');
+    return $this->sectionStorageManager()->load('overrides', $contexts);
+  }
+
+  /**
+   * Returns contexts required to load the layout override for an entity.
+   *
+   * @param \Drupal\Core\Entity\FieldableEntityInterface $entity
+   *   The entity.
+   *
+   * @return \Drupal\Core\Plugin\Context\ContextInterface[]
+   *   The section storage contexts.
+   */
+  public function getSectionStorageContextFromEntity(FieldableEntityInterface $entity) {
+    $contexts = [];
+
+    $contexts['entity'] = EntityContext::fromEntity($entity);
+    // @todo Expand to work for all view modes in
+    //   https://www.drupal.org/node/2907413.
+    $view_mode = 'full';
+    // Retrieve the actual view mode from the returned view display as the
+    // requested view mode may not exist and a fallback will be used.
+    $view_mode = LayoutBuilderEntityViewDisplay::collectRenderDisplay($entity, $view_mode)->getMode();
+    $contexts['view_mode'] = new Context(new ContextDefinition('string'), $view_mode);
+
+    return $contexts;
+  }
+
 }
diff --git a/core/modules/layout_builder/src/Routing/LayoutBuilderRoutesTrait.php b/core/modules/layout_builder/src/Routing/LayoutBuilderRoutesTrait.php
index aebc975565..617ad47487 100644
--- a/core/modules/layout_builder/src/Routing/LayoutBuilderRoutesTrait.php
+++ b/core/modules/layout_builder/src/Routing/LayoutBuilderRoutesTrait.php
@@ -97,6 +97,15 @@ protected function buildLayoutRoutes(RouteCollection $collection, SectionStorage
         ->setRequirements($requirements)
         ->setOptions($disable_options);
       $collection->add("$route_name_prefix.disable", $route);
+
+      $revert_all_defaults = $disable_defaults;
+      $revert_all_defaults['_form'] = '\Drupal\layout_builder\Form\RevertAllConfirmForm';
+      $revert_all_options = $disable_options;
+      $revertAllRoute = (new Route("$path/revert-all"))
+        ->setDefaults($revert_all_defaults)
+        ->setRequirements($requirements)
+        ->setOptions($revert_all_options);
+      $collection->add("$route_name_prefix.confirm_revert_all", $revertAllRoute);
     }
   }
 
diff --git a/core/modules/layout_builder/tests/src/Unit/DefaultsSectionStorageTest.php b/core/modules/layout_builder/tests/src/Unit/DefaultsSectionStorageTest.php
index f36b8fbc94..605cb8e864 100644
--- a/core/modules/layout_builder/tests/src/Unit/DefaultsSectionStorageTest.php
+++ b/core/modules/layout_builder/tests/src/Unit/DefaultsSectionStorageTest.php
@@ -448,6 +448,25 @@ public function testBuildRoutes() {
           ],
         ]
       ),
+      'layout_builder.defaults.with_bundle_key.confirm_revert_all' => new Route(
+        '/admin/entity/whatever/display/{view_mode_name}/layout/revert-all',
+        [
+          'entity_type_id' => 'with_bundle_key',
+          'bundle_key' => 'my_bundle_type',
+          'section_storage_type' => 'defaults',
+          'section_storage' => '',
+          '_form' => '\Drupal\layout_builder\Form\RevertAllConfirmForm',
+        ],
+        [
+          '_field_ui_view_mode_access' => 'administer with_bundle_key display',
+          '_layout_builder_access' => 'view',
+        ],
+        [
+          'parameters' => [
+            'section_storage' => ['layout_builder_tempstore' => TRUE],
+          ],
+        ]
+      ),
       'layout_builder.defaults.with_bundle_parameter.view' => new Route(
         '/admin/entity/{bundle}/display/{view_mode_name}/layout',
         [
@@ -507,6 +526,24 @@ public function testBuildRoutes() {
           ],
         ]
       ),
+      'layout_builder.defaults.with_bundle_parameter.confirm_revert_all' => new Route(
+        '/admin/entity/{bundle}/display/{view_mode_name}/layout/revert-all',
+        [
+          'entity_type_id' => 'with_bundle_parameter',
+          'section_storage_type' => 'defaults',
+          'section_storage' => '',
+          '_form' => '\Drupal\layout_builder\Form\RevertAllConfirmForm',
+        ],
+        [
+          '_field_ui_view_mode_access' => 'administer with_bundle_parameter display',
+          '_layout_builder_access' => 'view',
+        ],
+        [
+          'parameters' => [
+            'section_storage' => ['layout_builder_tempstore' => TRUE],
+          ],
+        ]
+      ),
     ];
 
     $collection = new RouteCollection();