ai
diff --git a/‎package.json
-1 b/‎package.json
-1
diff --git a/‎test/mocha.opts
+1-2 b/‎test/mocha.opts
+1-2
@@ -13,7 +13,6 @@
   "repository": "ai/visibilityjs",
   "devDependencies": {
     "chai": "4.1.2",
-    "coffeescript": "^2.3.0",
     "mocha": "5.2.0",
     "sinon": "^5.0.7",
     "sinon-chai": "3.0.0",
 
@@ -1,4 +1,3 @@
 --reporter spec
 --require ./test/mocha
---require coffeescript/register
-test/*.coffee
+test/*.test.js