diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index df086157..051edc8b 100644
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -16,4 +16,3 @@
 //= require_directory ./lib
 //= require ./src/Metamaps.Erb
 //= require ./webpacked/metamaps.bundle
-//= require ./src/check-canvas-support