diff --git a/backend/src/uxbox/locks.clj b/backend/src/uxbox/locks.clj
deleted file mode 100644
index 361a089bc..000000000
--- a/backend/src/uxbox/locks.clj
+++ /dev/null
@@ -1,21 +0,0 @@
-;; This Source Code Form is subject to the terms of the Mozilla Public
-;; License, v. 2.0. If a copy of the MPL was not distributed with this
-;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
-;;
-;; Copyright (c) 2016 Andrey Antukh <niwi@niwi.nz>
-
-(ns uxbox.locks
-  "Advirsory locks for specific handling concurrent modifications
-  on particular objects in the database."
-  #_(:require [suricatta.core :as sc])
-  (:import clojure.lang.Murmur3))
-
-(defn- uuid->long
-  [v]
-  (Murmur3/hashUnencodedChars (str v)))
-
-;; (defn acquire!
-;;   [conn v]
-;;   (let [id (uuid->long v)]
-;;     (sc/execute conn ["select pg_advisory_xact_lock(?);" id])
-;;     nil))