diff --git a/package.json b/package.json
index 9504a56..80cb514 100644
--- a/package.json
+++ b/package.json
@@ -26,8 +26,6 @@
     "babel-preset-es2015": "^6.18.0",
     "babel-preset-stage-3": "^6.17.0",
     "chai": "^3.5.0",
-    "coveralls": "^2.11.15",
-    "istanbul": "^0.4.5",
     "mocha": "^3.2.0"
   },
   "dependencies": {