diff --git a/lib/private/BackgroundJob/Job.php b/lib/private/BackgroundJob/Job.php
index 6f85e3382ed94..399ff05134e71 100644
--- a/lib/private/BackgroundJob/Job.php
+++ b/lib/private/BackgroundJob/Job.php
@@ -29,6 +29,9 @@
 use OCP\BackgroundJob\IJobList;
 use OCP\ILogger;
 
+/**
+ * @deprecated internal class, use \OCP\BackgroundJob\Job
+ */
 abstract class Job implements IJob {
 	/** @var int */
 	protected $id;
diff --git a/lib/private/BackgroundJob/Legacy/QueuedJob.php b/lib/private/BackgroundJob/Legacy/QueuedJob.php
index d68fd217fdd87..fd001738d4fa1 100644
--- a/lib/private/BackgroundJob/Legacy/QueuedJob.php
+++ b/lib/private/BackgroundJob/Legacy/QueuedJob.php
@@ -23,6 +23,9 @@
  */
 namespace OC\BackgroundJob\Legacy;
 
+/**
+ * @deprecated internal class, use \OCP\BackgroundJob\QueuedJob
+ */
 class QueuedJob extends \OC\BackgroundJob\QueuedJob {
 	public function run($argument) {
 		$class = $argument['klass'];
diff --git a/lib/private/BackgroundJob/Legacy/RegularJob.php b/lib/private/BackgroundJob/Legacy/RegularJob.php
index e3286536c9a3d..0f337a35eb0ad 100644
--- a/lib/private/BackgroundJob/Legacy/RegularJob.php
+++ b/lib/private/BackgroundJob/Legacy/RegularJob.php
@@ -24,6 +24,9 @@
 
 use OCP\AutoloadNotAllowedException;
 
+/**
+ * @deprecated internal class, use \OCP\BackgroundJob\QueuedJob
+ */
 class RegularJob extends \OC\BackgroundJob\Job {
 	public function run($argument) {
 		try {
diff --git a/lib/private/BackgroundJob/QueuedJob.php b/lib/private/BackgroundJob/QueuedJob.php
index 176227e73dbbb..28d86481e6276 100644
--- a/lib/private/BackgroundJob/QueuedJob.php
+++ b/lib/private/BackgroundJob/QueuedJob.php
@@ -32,6 +32,8 @@
  * create a background job that is to be executed once
  *
  * @package OC\BackgroundJob
+ *
+ * @deprecated internal class, use \OCP\BackgroundJob\QueuedJob
  */
 abstract class QueuedJob extends Job {
 	/**
diff --git a/lib/private/BackgroundJob/TimedJob.php b/lib/private/BackgroundJob/TimedJob.php
index 62b9bab7ccc0a..0f0951e1aec6f 100644
--- a/lib/private/BackgroundJob/TimedJob.php
+++ b/lib/private/BackgroundJob/TimedJob.php
@@ -34,6 +34,8 @@
  * create a background job that is to be executed at an interval
  *
  * @package OC\BackgroundJob
+ *
+ * @deprecated internal class, use \OCP\BackgroundJob\TimedJob
  */
 abstract class TimedJob extends Job {
 	protected $interval = 0;