diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c
index a4b224d92572eb65bae882b3502af05d92331682..5bada202b2d38c264cbcd87022278d699e411a40 100644
--- a/drivers/media/v4l2-core/v4l2-async.c
+++ b/drivers/media/v4l2-core/v4l2-async.c
@@ -119,13 +119,6 @@ static int v4l2_async_test_notify(struct v4l2_async_notifier *notifier,
 		return ret;
 	}
 
-	ret = v4l2_subdev_call(sd, core, registered_async);
-	if (ret < 0 && ret != -ENOIOCTLCMD) {
-		if (notifier->unbind)
-			notifier->unbind(notifier, sd, asd);
-		return ret;
-	}
-
 	if (list_empty(&notifier->waiting) && notifier->complete)
 		return notifier->complete(notifier);
 
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index de5117a01b981d42e17c9354262776b0079c89e4..6e1d044e3ee8f74800fc12cf8e8a4cd85461c8d9 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -184,8 +184,6 @@ struct v4l2_subdev_io_pin_config {
  *		     for it to be warned when the value of a control changes.
  *
  * @unsubscribe_event: remove event subscription from the control framework.
- *
- * @registered_async: the subdevice has been registered async.
  */
 struct v4l2_subdev_core_ops {
 	int (*log_status)(struct v4l2_subdev *sd);
@@ -211,7 +209,6 @@ struct v4l2_subdev_core_ops {
 			       struct v4l2_event_subscription *sub);
 	int (*unsubscribe_event)(struct v4l2_subdev *sd, struct v4l2_fh *fh,
 				 struct v4l2_event_subscription *sub);
-	int (*registered_async)(struct v4l2_subdev *sd);
 };
 
 /**