diff --git a/core/lib/Drupal/Core/Entity/ContentEntityBase.php b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
index aed081a..c03266f 100644
--- a/core/lib/Drupal/Core/Entity/ContentEntityBase.php
+++ b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
@@ -266,7 +266,7 @@ public function setNewRevision($value = TRUE) {
     if ($value && !$this->newRevision) {
       // When saving a new revision, set any existing revision ID to NULL so as
       // to ensure that a new revision will actually be created.
-      $this->previous_revision = $this->getRevisionId();
+      $this->original_revision = $this->getRevisionId();
       $this->set($this->getEntityType()->getKey('revision'), NULL);
 
       // Make sure that the flag tracking which translations are affected by the
@@ -285,6 +285,25 @@ public function setNewRevision($value = TRUE) {
   /**
    * {@inheritdoc}
    */
+  public function getOriginalRevisionId() {
+    if (isset($this->original_revision)) {
+      return $this->original_revision;
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function loadUnchangedRevision() {
+    $storage = $this->entityTypeManager()
+      ->getStorage($this->entityTypeId);
+    $storage->resetCache([$this->id()]);
+    return $storage->loadRevision($this->getOriginalRevisionId());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
   public function isNewRevision() {
     return $this->newRevision || ($this->getEntityType()->hasKey('revision') && !$this->getRevisionId());
   }
diff --git a/core/lib/Drupal/Core/Entity/EntityStorageBase.php b/core/lib/Drupal/Core/Entity/EntityStorageBase.php
index b82017a..f583121 100644
--- a/core/lib/Drupal/Core/Entity/EntityStorageBase.php
+++ b/core/lib/Drupal/Core/Entity/EntityStorageBase.php
@@ -430,12 +430,6 @@ protected function doPreSave(EntityInterface $entity) {
       $entity->original = $this->loadUnchanged($id);
     }
 
-    // Load the previous revision, if any.
-    if (isset($entity->previous_revision) && !isset($entity->previous)) {
-      $entity->previous = $this->loadRevision($entity->previous_revision);
-      unset($entity->previous_revision);
-    }
-
     // Allow code to run before saving.
     $entity->preSave($this);
     $this->invokeHook('presave', $entity);
@@ -481,7 +475,6 @@ protected function doPostSave(EntityInterface $entity, $update) {
     $entity->setOriginalId($entity->id());
 
     unset($entity->original);
-    unset($entity->previous);
   }
 
   /**
diff --git a/core/lib/Drupal/Core/Entity/RevisionableInterface.php b/core/lib/Drupal/Core/Entity/RevisionableInterface.php
index 14690e3..bb56770 100644
--- a/core/lib/Drupal/Core/Entity/RevisionableInterface.php
+++ b/core/lib/Drupal/Core/Entity/RevisionableInterface.php
@@ -61,4 +61,22 @@ public function isDefaultRevision($new_value = NULL);
    */
   public function preSaveRevision(EntityStorageInterface $storage, \stdClass $record);
 
+  /**
+   * Gets the revision identifier of the original entity revision.
+   *
+   * @return
+   *   The revision identifier of the original entity revision, or NULL if no
+   *   revision identifier.
+   */
+  public function getOriginalRevisionId();
+
+  /**
+   * Loads the unchanged revision entity object.
+   *
+   * @return
+   *   The entity object for the unchanged revision, or NULL if no unchanged
+   *   revision.
+   */
+  public function loadUnchangedRevision();
+
 }
diff --git a/core/modules/system/tests/modules/entity_test/entity_test.module b/core/modules/system/tests/modules/entity_test/entity_test.module
index 54a3659..453bdf1 100644
--- a/core/modules/system/tests/modules/entity_test/entity_test.module
+++ b/core/modules/system/tests/modules/entity_test/entity_test.module
@@ -399,15 +399,6 @@ function entity_test_entity_test_insert($entity) {
 }
 
 /**
- * Implements hook_entity_update().
- */
-function entity_test_entity_update(EntityInterface $entity) {
-  if (isset($entity->previous)) {
-    \Drupal::state()->set('entity_test.previous', $entity->previous);
-  }
-}
-
-/**
  * Implements hook_entity_field_access().
  *
  * @see \Drupal\system\Tests\Entity\FieldAccessTest::testFieldAccess()
diff --git a/core/tests/Drupal/KernelTests/Core/Entity/EntityOriginalRevisionTest.php b/core/tests/Drupal/KernelTests/Core/Entity/EntityOriginalRevisionTest.php
index 3de8902..68d8d75 100644
--- a/core/tests/Drupal/KernelTests/Core/Entity/EntityOriginalRevisionTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Entity/EntityOriginalRevisionTest.php
@@ -36,8 +36,10 @@ public function testPreviousProperty() {
     $loaded->setNewRevision(TRUE);
     $loaded->save();
 
-    /** @var \Drupal\Core\Entity\ContentEntityInterface $loaded_previous */
     $this->assertEquals($entity->getRevisionId(), $loaded->getOriginalRevisionId());
     $this->assertNotEquals($loaded->getRevisionId(), $loaded->getOriginalRevisionId());
+
+    $this->assertEquals($entity->getRevisionId(), $loaded->loadUnchangedRevision()->getRevisionId());
+    $this->assertNotEquals($loaded->getRevisionId(), $loaded->loadUnchangedRevision()->getRevisionId());
   }
 }