diff --git a/src/ol/dom.js b/src/ol/dom.js
index 2779b840ba..79d6098cd4 100644
--- a/src/ol/dom.js
+++ b/src/ol/dom.js
@@ -1,14 +1,6 @@
 goog.provide('ol.dom');
 
 goog.require('ol');
-goog.require('ol.vec.Mat4');
-
-
-/**
- * @type {Array.<number>}
- * @private
- */
-ol.dom.tmpMat4_ = ol.vec.Mat4.create();
 
 
 /**