diff --git a/package.json b/package.json
index f4922c1..6892575 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,6 @@
     ]
   },
   "devDependencies": {
-    "async": "^1.5.2",
     "babel-core": "^6.4.5",
     "babel-loader": "^6.2.1",
     "babel-preset-es2015": "^6.6.0",
@@ -76,11 +75,8 @@
     "gulp-istanbul": "^0.10.3",
     "gulp-mocha": "^2.2.0",
     "gulp-sourcemaps": "^1.6.0",
-    "lodash": "^4.0.0",
     "require-dir": "^0.3.0",
     "run-sequence": "^1.1.5",
-    "shelljs": "^0.7.0",
-    "tmp": "0.0.28",
     "webpack-stream": "^3.1.0"
   }
 }