diff --git a/lib/datasource.js b/lib/datasource.js
index 53a882b8..08366d43 100644
--- a/lib/datasource.js
+++ b/lib/datasource.js
@@ -3,8 +3,6 @@
 // This file is licensed under the MIT License.
 // License text available at https://opensource.org/licenses/MIT
 
-'use strict';
-
 /*!
  * Module dependencies
  */