diff --git a/src/uxbox/ui/workspace/base.cljs b/src/uxbox/ui/workspace/base.cljs
index cc383503b..f3cd60a74 100644
--- a/src/uxbox/ui/workspace/base.cljs
+++ b/src/uxbox/ui/workspace/base.cljs
@@ -6,7 +6,6 @@
 ;; Copyright (c) 2015-2016 Juan de la Cruz <delacruzgarciajuan@gmail.com>
 
 (ns uxbox.ui.workspace.base
-  (:require-macros [uxbox.util.syntax :refer [define-once]])
   (:require [beicon.core :as rx]
             [lentes.core :as l]
             [uxbox.rstore :as rs]
diff --git a/src/uxbox/ui/workspace/scroll.cljs b/src/uxbox/ui/workspace/scroll.cljs
index fcc3a1698..cfc63463e 100644
--- a/src/uxbox/ui/workspace/scroll.cljs
+++ b/src/uxbox/ui/workspace/scroll.cljs
@@ -6,7 +6,6 @@
 ;; Copyright (c) 2015-2016 Juan de la Cruz <delacruzgarciajuan@gmail.com>
 
 (ns uxbox.ui.workspace.scroll
-  (:require-macros [uxbox.util.syntax :refer [define-once]])
   (:require [beicon.core :as rx]
             [lentes.core :as l]
             [uxbox.constants :as c]
diff --git a/src/uxbox/ui/workspace/sidebar/layers.cljs b/src/uxbox/ui/workspace/sidebar/layers.cljs
index 21d1fe940..7f4c70344 100644
--- a/src/uxbox/ui/workspace/sidebar/layers.cljs
+++ b/src/uxbox/ui/workspace/sidebar/layers.cljs
@@ -6,7 +6,6 @@
 ;; Copyright (c) 2015-2016 Juan de la Cruz <delacruzgarciajuan@gmail.com>
 
 (ns uxbox.ui.workspace.sidebar.layers
-  (:require-macros [uxbox.util.syntax :refer (defer)])
   (:require [sablono.core :as html :refer-macros [html]]
             [rum.core :as rum]
             [lentes.core :as l]
diff --git a/src/uxbox/util/syntax.cljc b/src/uxbox/util/syntax.cljc
deleted file mode 100644
index a2719ab40..000000000
--- a/src/uxbox/util/syntax.cljc
+++ /dev/null
@@ -1,20 +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) 2015-2016 Andrey Antukh <niwi@niwi.nz>
-;; Copyright (c) 2015-2016 Juan de la Cruz <delacruzgarciajuan@gmail.com>
-
-(ns uxbox.util.syntax
-  (:refer-clojure :exclude [defonce]))
-
-(defmacro define-once
-  [name' & body]
-  (let [sym (symbol (str (namespace name') "-" (name name')))]
-    `(cljs.core/defonce ~sym
-       (do ~@body nil))))
-
-(defmacro defer
-  [& body]
-  `(let [func# (fn [] ~@body)]
-     (js/setTimeout func# 0)))