--- a/package.json
+++ b/package.json
@@ -35,12 +35,8 @@
   },
   "homepage": "https://github.com/hreichert/node-red-contrib-gpio",
   "dependencies": {
-    "firmata": "^2.0.0",
-    "johnny-five": "^1.3.1",
     "lodash": "^4.17.15",
-    "mqtt": "^2.15.2",
     "mqtt-serial": "^0.6.0",
-    "serialport": "^8.0.5",
     "socket.io-serial": "^0.4.0",
     "udp-serial": "^0.2.0"
   },