diff --git a/.jshintrc b/.jshintrc
index eb96db93..147a5b34 100644
--- a/.jshintrc
+++ b/.jshintrc
@@ -1,4 +1,5 @@
 {
+    "unused"  : true,
     "bitwise" : true,
     "browser" : true,
     "devel" : true,