diff --git a/core/Application.php b/core/Application.php
index 2ad8b9f2a3014..700fb3297afce 100644
--- a/core/Application.php
+++ b/core/Application.php
@@ -48,10 +48,8 @@
 use OCP\AppFramework\App;
 use OCP\AppFramework\Http\Events\BeforeLoginTemplateRenderedEvent;
 use OCP\AppFramework\Http\Events\BeforeTemplateRenderedEvent;
-use OCP\DB\Events\AddMissingColumnsEvent;
 use OCP\DB\Events\AddMissingIndicesEvent;
 use OCP\DB\Events\AddMissingPrimaryKeyEvent;
-use OCP\DB\Types;
 use OCP\EventDispatcher\IEventDispatcher;
 use OCP\User\Events\BeforeUserDeletedEvent;
 use OCP\User\Events\UserDeletedEvent;
@@ -300,18 +298,6 @@ public function __construct() {
 			);
 		});
 
-		$eventDispatcher->addListener(AddMissingColumnsEvent::class, function (AddMissingColumnsEvent $event) {
-			$event->addMissingColumn(
-				'comments',
-				'reference_id',
-				Types::STRING,
-				[
-					'notnull' => false,
-					'length' => 64,
-				]
-			);
-		});
-
 		$eventDispatcher->addServiceListener(BeforeTemplateRenderedEvent::class, BeforeTemplateRenderedListener::class);
 		$eventDispatcher->addServiceListener(BeforeLoginTemplateRenderedEvent::class, BeforeTemplateRenderedListener::class);
 		$eventDispatcher->addServiceListener(RemoteWipeStarted::class, RemoteWipeActivityListener::class);
diff --git a/tests/lib/Comments/CommentTest.php b/tests/lib/Comments/CommentTest.php
index 328e6fd5447de..fb1fded33b2c0 100644
--- a/tests/lib/Comments/CommentTest.php
+++ b/tests/lib/Comments/CommentTest.php
@@ -23,6 +23,8 @@ public function testSettersValidInput() {
 		$creationDT = new \DateTime();
 		$latestChildDT = new \DateTime('yesterday');
 		$object = ['type' => 'files', 'id' => 'file64'];
+		$referenceId = sha1('referenceId');
+		$metaData = json_encode(['last_edit_actor_id' => 'admin']);
 
 		$comment
 			->setId($id)
@@ -34,7 +36,9 @@ public function testSettersValidInput() {
 			->setActor($actor['type'], $actor['id'])
 			->setCreationDateTime($creationDT)
 			->setLatestChildDateTime($latestChildDT)
-			->setObject($object['type'], $object['id']);
+			->setObject($object['type'], $object['id'])
+			->setReferenceId($referenceId)
+			->setMetaData($metaData);
 
 		$this->assertSame($id, $comment->getId());
 		$this->assertSame($parentId, $comment->getParentId());
@@ -48,6 +52,8 @@ public function testSettersValidInput() {
 		$this->assertSame($latestChildDT, $comment->getLatestChildDateTime());
 		$this->assertSame($object['type'], $comment->getObjectType());
 		$this->assertSame($object['id'], $comment->getObjectId());
+		$this->assertSame($referenceId, $comment->getReferenceId());
+		$this->assertSame($metaData, $comment->getMetaData());
 	}
 
 
diff --git a/tests/lib/Comments/ManagerTest.php b/tests/lib/Comments/ManagerTest.php
index 5fa1beee3742e..97ca814c4b285 100644
--- a/tests/lib/Comments/ManagerTest.php
+++ b/tests/lib/Comments/ManagerTest.php
@@ -65,6 +65,8 @@ protected function addDatabaseEntry($parentId, $topmostParentId, $creationDT = n
 				'object_type' => $qb->createNamedParameter('files'),
 				'object_id' => $qb->createNamedParameter($objectId),
 				'expire_date' => $qb->createNamedParameter($expireDate, 'datetime'),
+				'reference_id' => $qb->createNamedParameter('referenceId'),
+				'meta_data' => $qb->createNamedParameter(json_encode(['last_edit_actor_id' => 'admin'])),
 			])
 			->execute();
 
@@ -119,6 +121,8 @@ public function testGetComment() {
 				'latest_child_timestamp' => $qb->createNamedParameter($latestChildDT, 'datetime'),
 				'object_type' => $qb->createNamedParameter('files'),
 				'object_id' => $qb->createNamedParameter('file64'),
+				'reference_id' => $qb->createNamedParameter('referenceId'),
+				'meta_data' => $qb->createNamedParameter(json_encode(['last_edit_actor_id' => 'admin'])),
 			])
 			->execute();
 
@@ -137,7 +141,8 @@ public function testGetComment() {
 		$this->assertSame($comment->getObjectType(), 'files');
 		$this->assertSame($comment->getObjectId(), 'file64');
 		$this->assertEquals($comment->getCreationDateTime()->getTimestamp(), $creationDT->getTimestamp());
-		$this->assertEquals($comment->getLatestChildDateTime(), $latestChildDT);
+		$this->assertEquals($comment->getReferenceId(), 'referenceId');
+		$this->assertEquals($comment->getMetaData(), json_encode(['last_edit_actor_id' => 'admin']));
 	}