diff --git a/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php b/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php
index 2fd44c4..4520723 100644
--- a/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php
+++ b/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php
@@ -393,8 +393,8 @@ public function save(EntityInterface $entity) {
 
     // Load the stored entity, if any.
     // At this point, the original ID can only be NULL or a valid ID.
-    if ($entity->getOriginalID() !== NULL) {
-      $id = $entity->getOriginalID();
+    if ($entity->getOriginalId() !== NULL) {
+      $id = $entity->getOriginalId();
     }
     $config = $this->configFactory->get($prefix . $id);
     $is_new = $config->isNew();
@@ -432,7 +432,7 @@ public function save(EntityInterface $entity) {
       $this->invokeHook('update', $entity);
 
       // Immediately update the original ID.
-      $entity->setOriginalID($entity->id());
+      $entity->setOriginalId($entity->id());
     }
     else {
       $return = SAVED_NEW;
diff --git a/core/modules/book/book.module b/core/modules/book/book.module
index aef8a52..9c0ec82 100644
--- a/core/modules/book/book.module
+++ b/core/modules/book/book.module
@@ -815,11 +815,11 @@ function book_type_is_allowed($type) {
  * node type is changed.
  */
 function book_node_type_update(NodeTypeInterface $type) {
-  if ($type->getOriginalID() != $type->id()) {
+  if ($type->getOriginalId() != $type->id()) {
     $config = \Drupal::config('book.settings');
     // Update the list of node types that are allowed to be added to books.
     $allowed_types = $config->get('allowed_types');
-    $old_key = array_search($type->getOriginalID(), $allowed_types);
+    $old_key = array_search($type->getOriginalId(), $allowed_types);
 
     if ($old_key !== FALSE) {
       $allowed_types[$old_key] = $type->id();
@@ -830,7 +830,7 @@ function book_node_type_update(NodeTypeInterface $type) {
     }
 
     // Update the setting for the "Add child page" link.
-    if ($config->get('child_type') == $type->getOriginalID()) {
+    if ($config->get('child_type') == $type->getOriginalId()) {
       $config->set('child_type', $type->id());
     }
     $config->save();
diff --git a/core/modules/config/lib/Drupal/config/Tests/ConfigEntityTest.php b/core/modules/config/lib/Drupal/config/Tests/ConfigEntityTest.php
index f04b518..9acca96 100644
--- a/core/modules/config/lib/Drupal/config/Tests/ConfigEntityTest.php
+++ b/core/modules/config/lib/Drupal/config/Tests/ConfigEntityTest.php
@@ -46,7 +46,7 @@ function testCRUD() {
 
     // Verify ConfigEntity properties/methods on the newly created empty entity.
     $this->assertIdentical($empty->isNew(), TRUE);
-    $this->assertIdentical($empty->getOriginalID(), NULL);
+    $this->assertIdentical($empty->getOriginalId(), NULL);
     $this->assertIdentical($empty->bundle(), 'config_test');
     $this->assertIdentical($empty->id(), NULL);
     $this->assertTrue($empty->uuid());
@@ -100,7 +100,7 @@ function testCRUD() {
 
     // Verify methods on the newly created entity.
     $this->assertIdentical($config_test->isNew(), TRUE);
-    $this->assertIdentical($config_test->getOriginalID(), $expected['id']);
+    $this->assertIdentical($config_test->getOriginalId(), $expected['id']);
     $this->assertIdentical($config_test->id(), $expected['id']);
     $this->assertTrue($config_test->uuid());
     $expected['uuid'] = $config_test->uuid();
@@ -124,7 +124,7 @@ function testCRUD() {
     $this->assertIdentical($config_test->uuid(), $expected['uuid']);
     $this->assertIdentical($config_test->label(), $expected['label']);
     $this->assertIdentical($config_test->isNew(), FALSE);
-    $this->assertIdentical($config_test->getOriginalID(), $expected['id']);
+    $this->assertIdentical($config_test->getOriginalId(), $expected['id']);
 
     // Save again, and verify correct status and properties again.
     $status = $config_test->save();
@@ -133,7 +133,7 @@ function testCRUD() {
     $this->assertIdentical($config_test->uuid(), $expected['uuid']);
     $this->assertIdentical($config_test->label(), $expected['label']);
     $this->assertIdentical($config_test->isNew(), FALSE);
-    $this->assertIdentical($config_test->getOriginalID(), $expected['id']);
+    $this->assertIdentical($config_test->getOriginalId(), $expected['id']);
 
     // Re-create the entity with the same ID and verify updated status.
     $same_id = entity_create('config_test', array(
@@ -161,7 +161,7 @@ function testCRUD() {
       $new_id = $ids[$i];
       // Before renaming, everything should point to the current ID.
       $this->assertIdentical($config_test->id(), $old_id);
-      $this->assertIdentical($config_test->getOriginalID(), $old_id);
+      $this->assertIdentical($config_test->getOriginalId(), $old_id);
 
       // Rename.
       $config_test->id = $new_id;
@@ -172,7 +172,7 @@ function testCRUD() {
 
       // Verify that originalID points to new ID directly after renaming.
       $this->assertIdentical($config_test->id(), $new_id);
-      $this->assertIdentical($config_test->getOriginalID(), $new_id);
+      $this->assertIdentical($config_test->getOriginalId(), $new_id);
     }
 
     // Test config entity prepopulation.
diff --git a/core/modules/field/lib/Drupal/field/Entity/FieldInstance.php b/core/modules/field/lib/Drupal/field/Entity/FieldInstance.php
index dea4c95..862332a 100644
--- a/core/modules/field/lib/Drupal/field/Entity/FieldInstance.php
+++ b/core/modules/field/lib/Drupal/field/Entity/FieldInstance.php
@@ -388,7 +388,7 @@ protected function saveNew() {
   protected function saveUpdated() {
     $instance_controller = \Drupal::entityManager()->getStorageController($this->entityType);
 
-    $original = $instance_controller->loadUnchanged($this->getOriginalID());
+    $original = $instance_controller->loadUnchanged($this->getOriginalId());
     $this->original = $original;
 
     // Some updates are always disallowed.
diff --git a/core/modules/image/lib/Drupal/image/Entity/ImageStyle.php b/core/modules/image/lib/Drupal/image/Entity/ImageStyle.php
index 42abf7c..77e7193 100644
--- a/core/modules/image/lib/Drupal/image/Entity/ImageStyle.php
+++ b/core/modules/image/lib/Drupal/image/Entity/ImageStyle.php
@@ -144,7 +144,7 @@ public static function postDelete(EntityStorageControllerInterface $storage_cont
    *   The image style.
    */
   protected static function replaceImageStyle(ImageStyleInterface $style) {
-    if ($style->id() != $style->getOriginalID()) {
+    if ($style->id() != $style->getOriginalId()) {
       // Loop through all fields searching for image fields.
       foreach (field_read_instances() as $instance) {
         if ($instance->getFieldType() == 'image') {
@@ -155,7 +155,7 @@ protected static function replaceImageStyle(ImageStyleInterface $style) {
             $display_options = $display->getComponent($field_name);
 
             // Check if the formatter involves an image style.
-            if ($display_options && $display_options['type'] == 'image' && $display_options['settings']['image_style'] == $style->getOriginalID()) {
+            if ($display_options && $display_options['type'] == 'image' && $display_options['settings']['image_style'] == $style->getOriginalId()) {
               // Update display information for any instance using the image
               // style that was just deleted.
               $display_options['settings']['image_style'] = $style->id();
@@ -165,7 +165,7 @@ protected static function replaceImageStyle(ImageStyleInterface $style) {
           }
           $entity_form_display = entity_get_form_display($instance->entity_type, $instance->bundle, 'default');
           $widget_configuration = $entity_form_display->getComponent($field_name);
-          if ($widget_configuration['settings']['preview_image_style'] == $style->getOriginalID()) {
+          if ($widget_configuration['settings']['preview_image_style'] == $style->getOriginalId()) {
             $widget_options['settings']['preview_image_style'] = $style->id();
             $entity_form_display->setComponent($field_name, $widget_options)
               ->save();
diff --git a/core/modules/node/lib/Drupal/node/Entity/NodeType.php b/core/modules/node/lib/Drupal/node/Entity/NodeType.php
index 5bc423e..46c5613 100644
--- a/core/modules/node/lib/Drupal/node/Entity/NodeType.php
+++ b/core/modules/node/lib/Drupal/node/Entity/NodeType.php
@@ -176,21 +176,21 @@ public function postSave(EntityStorageControllerInterface $storage_controller, $
         node_add_body_field($this, $label);
       }
     }
-    elseif ($this->getOriginalID() != $this->id()) {
+    elseif ($this->getOriginalId() != $this->id()) {
       // Clear the node type cache to reflect the rename.
       \Drupal::cache()->deleteTags(array('node_types' => TRUE));
 
-      $update_count = node_type_update_nodes($this->getOriginalID(), $this->id());
+      $update_count = node_type_update_nodes($this->getOriginalId(), $this->id());
       if ($update_count) {
         drupal_set_message(format_plural($update_count,
           'Changed the content type of 1 post from %old-type to %type.',
           'Changed the content type of @count posts from %old-type to %type.',
           array(
-            '%old-type' => $this->getOriginalID(),
+            '%old-type' => $this->getOriginalId(),
             '%type' => $this->id(),
           )));
       }
-      entity_invoke_bundle_hook('rename', 'node', $this->getOriginalID(), $this->id());
+      entity_invoke_bundle_hook('rename', 'node', $this->getOriginalId(), $this->id());
     }
     else {
       // Invalidate the cache tag of the updated node type only.
diff --git a/core/modules/node/lib/Drupal/node/NodeTypeFormController.php b/core/modules/node/lib/Drupal/node/NodeTypeFormController.php
index d9d5666..299809a 100644
--- a/core/modules/node/lib/Drupal/node/NodeTypeFormController.php
+++ b/core/modules/node/lib/Drupal/node/NodeTypeFormController.php
@@ -212,7 +212,7 @@ public function save(array $form, array &$form_state) {
     // Save or reset persistent variable values.
     foreach ($variables as $key => $value) {
       $variable_new = $key . '_' . $type->id();
-      $variable_old = $key . '_' . $type->getOriginalID();
+      $variable_old = $key . '_' . $type->getOriginalId();
       if (is_array($value)) {
         $value = array_keys(array_filter($value));
       }
diff --git a/core/modules/shortcut/lib/Drupal/shortcut/Entity/ShortcutSet.php b/core/modules/shortcut/lib/Drupal/shortcut/Entity/ShortcutSet.php
index b52fccb..c731973 100644
--- a/core/modules/shortcut/lib/Drupal/shortcut/Entity/ShortcutSet.php
+++ b/core/modules/shortcut/lib/Drupal/shortcut/Entity/ShortcutSet.php
@@ -80,7 +80,7 @@ public function postCreate(EntityStorageControllerInterface $storage_controller)
     parent::postCreate($storage_controller);
 
     // Generate menu-compatible set name.
-    if (!$this->getOriginalID()) {
+    if (!$this->getOriginalId()) {
       // Save a new shortcut set with links copied from the user's default set.
       $default_set = shortcut_default_set();
       // Generate a name to have no collisions with menu.
diff --git a/core/modules/shortcut/lib/Drupal/shortcut/ShortcutSetFormController.php b/core/modules/shortcut/lib/Drupal/shortcut/ShortcutSetFormController.php
index 21b3223..fcade45 100644
--- a/core/modules/shortcut/lib/Drupal/shortcut/ShortcutSetFormController.php
+++ b/core/modules/shortcut/lib/Drupal/shortcut/ShortcutSetFormController.php
@@ -74,7 +74,7 @@ public function validate(array $form, array &$form_state) {
    */
   public function save(array $form, array &$form_state) {
     $entity = $this->entity;
-    $is_new = !$entity->getOriginalID();
+    $is_new = !$entity->getOriginalId();
     $entity->save();
 
     if ($is_new) {
diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/Entity/Vocabulary.php b/core/modules/taxonomy/lib/Drupal/taxonomy/Entity/Vocabulary.php
index 721d5ea..2b92d16 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/Entity/Vocabulary.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/Entity/Vocabulary.php
@@ -108,7 +108,7 @@ public function postSave(EntityStorageControllerInterface $storage_controller, $
     if (!$update) {
       entity_invoke_bundle_hook('create', 'taxonomy_term', $this->id());
     }
-    elseif ($this->getOriginalID() != $this->id()) {
+    elseif ($this->getOriginalId() != $this->id()) {
       // Reflect machine name changes in the definitions of existing 'taxonomy'
       // fields.
       $fields = field_read_fields();
@@ -116,7 +116,7 @@ public function postSave(EntityStorageControllerInterface $storage_controller, $
         $update_field = FALSE;
         if ($field->getFieldType() == 'taxonomy_term_reference') {
           foreach ($field->settings['allowed_values'] as &$value) {
-            if ($value['vocabulary'] == $this->getOriginalID()) {
+            if ($value['vocabulary'] == $this->getOriginalId()) {
               $value['vocabulary'] = $this->id();
               $update_field = TRUE;
             }
@@ -127,9 +127,9 @@ public function postSave(EntityStorageControllerInterface $storage_controller, $
         }
       }
       // Update bundles.
-      entity_invoke_bundle_hook('rename', 'taxonomy_term', $this->getOriginalID(), $this->id());
+      entity_invoke_bundle_hook('rename', 'taxonomy_term', $this->getOriginalId(), $this->id());
     }
-    $storage_controller->resetCache($update ? array($this->getOriginalID()) : array());
+    $storage_controller->resetCache($update ? array($this->getOriginalId()) : array());
   }
 
   /**
diff --git a/core/modules/views_ui/tests/Drupal/views_ui/Tests/ViewUIObjectTest.php b/core/modules/views_ui/tests/Drupal/views_ui/Tests/ViewUIObjectTest.php
index 3c42487..4ad193b 100644
--- a/core/modules/views_ui/tests/Drupal/views_ui/Tests/ViewUIObjectTest.php
+++ b/core/modules/views_ui/tests/Drupal/views_ui/Tests/ViewUIObjectTest.php
@@ -33,7 +33,7 @@ public static function getInfo() {
    */
   public function testEntityDecoration() {
     $method_args = array();
-    $method_args['setOriginalID'] = array(12);
+    $method_args['setOriginalId'] = array(12);
     $method_args['setStatus'] = array(TRUE);
     $method_args['enforceIsNew'] = array(FALSE);
     $method_args['label'] = array(Language::LANGCODE_NOT_SPECIFIED);
