diff --git a/index.js b/index.js
index 8efe8d79db727b02b002de8230281fc3d22b1d56..48c286a934ce76d4e458fdce87b67d859bdcd1c1 100644
--- a/index.js
+++ b/index.js
@@ -2,8 +2,6 @@
  * Created by danilaeremin on 28.07.16.
  */
 
-'use strict';
-
 var logger = {
     debug : function (string) {
         if (this._level >= this.DEBUG)