diff --git a/core/modules/content_moderation/src/ModerationInformation.php b/core/modules/content_moderation/src/ModerationInformation.php
index dd80ccbc014627bf5f5bf1ee94570e51dd19c642..f590a3262727526d5f23a64b9a9000cfb67d0b8d 100644
--- a/core/modules/content_moderation/src/ModerationInformation.php
+++ b/core/modules/content_moderation/src/ModerationInformation.php
@@ -82,27 +82,6 @@ public function shouldModerateEntitiesOfBundle(EntityTypeInterface $entity_type,
     return FALSE;
   }
 
-  /**
-   * {@inheritdoc}
-   */
-  public function getLatestRevision($entity_type_id, $entity_id) {
-    @trigger_error(__METHOD__ . ' is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use RevisionableStorageInterface::getLatestRevisionId() and RevisionableStorageInterface::loadRevision() instead. See https://www.drupal.org/node/3087295', E_USER_DEPRECATED);
-    /** @var \Drupal\Core\Entity\ContentEntityStorageInterface $storage */
-    $storage = $this->entityTypeManager->getStorage($entity_type_id);
-    return $storage->loadRevision($storage->getLatestRevisionId($entity_id));
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function getLatestRevisionId($entity_type_id, $entity_id) {
-    @trigger_error(__METHOD__ . ' is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use RevisionableStorageInterface::getLatestRevisionId() instead. See https://www.drupal.org/node/3087295', E_USER_DEPRECATED);
-    /** @var \Drupal\Core\Entity\ContentEntityStorageInterface $storage */
-    if ($storage = $this->entityTypeManager->getStorage($entity_type_id)) {
-      return $storage->getLatestRevisionId($entity_id);
-    }
-  }
-
   /**
    * {@inheritdoc}
    */
@@ -133,14 +112,6 @@ public function getAffectedRevisionTranslation(ContentEntityInterface $entity) {
     }
   }
 
-  /**
-   * {@inheritdoc}
-   */
-  public function isLatestRevision(ContentEntityInterface $entity) {
-    @trigger_error(__METHOD__ . ' is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use RevisionableInterface::isLatestRevision() instead. See https://www.drupal.org/node/3087295', E_USER_DEPRECATED);
-    return $entity->isLatestRevision();
-  }
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/content_moderation/src/ModerationInformationInterface.php b/core/modules/content_moderation/src/ModerationInformationInterface.php
index ae915a9a609a1fabff26cb1700c9b0cf909a8052..9b750637d415e0ed4ce0dbf128b0cfe4cb9fd5fd 100644
--- a/core/modules/content_moderation/src/ModerationInformationInterface.php
+++ b/core/modules/content_moderation/src/ModerationInformationInterface.php
@@ -58,45 +58,6 @@ public function shouldModerateEntitiesOfBundle(EntityTypeInterface $entity_type,
    */
   public function isModeratedEntityType(EntityTypeInterface $entity_type);
 
-  /**
-   * Loads the latest revision of a specific entity.
-   *
-   * @param string $entity_type_id
-   *   The entity type ID.
-   * @param int $entity_id
-   *   The entity ID.
-   *
-   * @return \Drupal\Core\Entity\ContentEntityInterface|null
-   *   The latest entity revision or NULL, if the entity type / entity doesn't
-   *   exist.
-   *
-   * @deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use
-   *   RevisionableStorageInterface::getLatestRevisionId and
-   *   RevisionableStorageInterface::loadRevision instead.
-   *
-   * @see https://www.drupal.org/node/3087295
-   */
-  public function getLatestRevision($entity_type_id, $entity_id);
-
-  /**
-   * Returns the revision ID of the latest revision of the given entity.
-   *
-   * @param string $entity_type_id
-   *   The entity type ID.
-   * @param int $entity_id
-   *   The entity ID.
-   *
-   * @return int
-   *   The revision ID of the latest revision for the specified entity, or
-   *   NULL if there is no such entity.
-   *
-   * @deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use
-   *   RevisionableStorageInterface::getLatestRevisionId instead.
-   *
-   * @see https://www.drupal.org/node/3087295
-   */
-  public function getLatestRevisionId($entity_type_id, $entity_id);
-
   /**
    * Returns the revision ID of the default revision for the specified entity.
    *
@@ -122,23 +83,6 @@ public function getDefaultRevisionId($entity_type_id, $entity_id);
    */
   public function getAffectedRevisionTranslation(ContentEntityInterface $entity);
 
-  /**
-   * Determines if an entity is a latest revision.
-   *
-   * @param \Drupal\Core\Entity\ContentEntityInterface $entity
-   *   A revisionable content entity.
-   *
-   * @return bool
-   *   TRUE if the specified object is the latest revision of its entity,
-   *   FALSE otherwise.
-   *
-   * @deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use
-   *   RevisionableInterface::isLatestRevision instead.
-   *
-   * @see https://www.drupal.org/node/3087295
-   */
-  public function isLatestRevision(ContentEntityInterface $entity);
-
   /**
    * Determines if a pending revision exists for the specified entity.
    *
diff --git a/core/modules/content_moderation/tests/src/Kernel/ModerationInformationTest.php b/core/modules/content_moderation/tests/src/Kernel/ModerationInformationTest.php
index e3852ad592f49962593559aec763f5af2edf1867..29b4baf48189fc72c9a586c824fac06e7b22afc1 100644
--- a/core/modules/content_moderation/tests/src/Kernel/ModerationInformationTest.php
+++ b/core/modules/content_moderation/tests/src/Kernel/ModerationInformationTest.php
@@ -78,70 +78,6 @@ public function testGetDefaultRevisionId() {
     $this->assertSame(1, $default_revision_id);
   }
 
-  /**
-   * @covers ::getLatestRevisionId
-   * @group legacy
-   * @expectedDeprecation Drupal\content_moderation\ModerationInformation::getLatestRevisionId is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use RevisionableStorageInterface::getLatestRevisionId() instead. See https://www.drupal.org/node/3087295
-   */
-  public function testGetLatestRevisionId() {
-    $entity_test_rev = EntityTestRev::create([
-      'name' => 'Default Revision',
-      'moderation_state' => 'published',
-    ]);
-    $entity_test_rev->save();
-
-    $entity_test_rev->name = 'Pending revision';
-    $entity_test_rev->moderation_state = 'draft';
-    $entity_test_rev->save();
-
-    // Check that moderation information service returns the correct latest
-    // revision ID.
-    $latest_revision_id = $this->moderationInformation->getLatestRevisionId('entity_test_rev', $entity_test_rev->id());
-    $this->assertSame(2, $latest_revision_id);
-  }
-
-  /**
-   * @covers ::getLatestRevision
-   * @group legacy
-   * @expectedDeprecation Drupal\content_moderation\ModerationInformation::getLatestRevision is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use RevisionableStorageInterface::getLatestRevisionId() and RevisionableStorageInterface::loadRevision() instead. See https://www.drupal.org/node/3087295
-   */
-  public function testGetLatestRevision() {
-    $entity_test_rev = EntityTestRev::create([
-      'name' => 'Default Revision',
-      'moderation_state' => 'published',
-    ]);
-    $entity_test_rev->save();
-
-    $entity_test_rev->name = 'Pending revision';
-    $entity_test_rev->moderation_state = 'draft';
-    $entity_test_rev->save();
-
-    $latest_revision = $this->moderationInformation->getLatestRevision('entity_test_rev', $entity_test_rev->id());
-    $this->assertEquals(2, $latest_revision->getRevisionId());
-  }
-
-  /**
-   * @covers ::isLatestRevision
-   * @group legacy
-   * @expectedDeprecation Drupal\content_moderation\ModerationInformation::isLatestRevision is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use RevisionableInterface::isLatestRevision() instead. See https://www.drupal.org/node/3087295
-   */
-  public function testIsLatestRevision() {
-    $entity_test_rev = EntityTestRev::create([
-      'name' => 'Default Revision',
-      'moderation_state' => 'published',
-    ]);
-    $entity_test_rev->save();
-
-    $old_revision = clone $entity_test_rev;
-
-    $entity_test_rev->name = 'Pending revision';
-    $entity_test_rev->moderation_state = 'draft';
-    $entity_test_rev->save();
-
-    $this->assertFalse($this->moderationInformation->isLatestRevision($old_revision));
-    $this->assertTrue($this->moderationInformation->isLatestRevision($entity_test_rev));
-  }
-
   /**
    * @covers ::isDefaultRevisionPublished
    * @dataProvider isDefaultRevisionPublishedTestCases
diff --git a/core/modules/content_moderation/tests/src/Kernel/NodeAccessTest.php b/core/modules/content_moderation/tests/src/Kernel/NodeAccessTest.php
index 50d7f7acf3a221b012af11dcac820a1d2f0a730f..09220186d8f296fbc9960c9e4f5dfbfc25dcded3 100644
--- a/core/modules/content_moderation/tests/src/Kernel/NodeAccessTest.php
+++ b/core/modules/content_moderation/tests/src/Kernel/NodeAccessTest.php
@@ -84,24 +84,4 @@ public function testGetDefaultRevisionId() {
     $this->assertEquals($node->getRevisionId(), $this->moderationInformation->getDefaultRevisionId('node', $node->id()));
   }
 
-  /**
-   * @covers \Drupal\content_moderation\ModerationInformation::getLatestRevisionId
-   * @group legacy
-   * @expectedDeprecation Drupal\content_moderation\ModerationInformation::getLatestRevisionId is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use RevisionableStorageInterface::getLatestRevisionId() instead. See https://www.drupal.org/node/3087295
-   */
-  public function testGetLatestRevisionId() {
-    // Create an admin user.
-    $user = $this->createUser([], NULL, TRUE);
-    \Drupal::currentUser()->setAccount($user);
-
-    // Create a node.
-    $node = $this->createNode(['type' => 'page']);
-    $this->assertEquals($node->getRevisionId(), $this->moderationInformation->getLatestRevisionId('node', $node->id()));
-
-    // Create a non-admin user.
-    $user = $this->createUser();
-    \Drupal::currentUser()->setAccount($user);
-    $this->assertEquals($node->getRevisionId(), $this->moderationInformation->getLatestRevisionId('node', $node->id()));
-  }
-
 }