diff --git a/lib/private/legacy/search/provider.php b/lib/private/legacy/search/provider.php
index d200c988c452d49f14464647864958e5fef83c57..b296aeb23d8e0b94d6c559114ef9929bef64a894 100644
--- a/lib/private/legacy/search/provider.php
+++ b/lib/private/legacy/search/provider.php
@@ -17,6 +17,10 @@
  *
  */
 
+/**
+ * Class OC_Search_Provider
+ * @deprecated use \OCP\Search\Provider instead
+ */
 abstract class OC_Search_Provider extends \OCP\Search\Provider {
 
 }