diff --git a/package.json b/package.json
index 47b04dd9d4f3..f1e6411ed132 100644
--- a/package.json
+++ b/package.json
@@ -112,8 +112,7 @@
     "nyc": "^11.4.1",
     "sinon": "^4.4.2",
     "spectron": "^3.8.0",
-    "string-to-arraybuffer": "^1.0.0",
-    "tmp": "^0.0.33"
+    "string-to-arraybuffer": "^1.0.0"
   },
   "engines": {
     "node": "8.2.1"