diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index 1132b5d81..1fc375f7b 100644
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -18,5 +18,4 @@
 //= require bootstrap-sprockets
 //= require highcharts/highcharts
 //= require highcharts/highcharts-more
-//= require highcharts/highstock
 //= require_tree .