diff --git a/example/iot-gateway/node_modules/protocol-buffers/index.js b/example/iot-gateway/node_modules/protocol-buffers/index.js
+++ /dev/null
@@ -1,28 +0,0 @@
-var schema = require('protocol-buffers-schema')
-var compile = require('./compile')
-
-module.exports = function (proto, opts) {
- if (!opts) opts = {}
- if (!proto) throw new Error('Pass in a .proto string or a protobuf-schema parsed object')
-
- var sch = (typeof proto === 'object' && !Buffer.isBuffer(proto)) ? proto : schema.parse(proto)
-
- // to not make toString,toJSON enumarable we make a fire-and-forget prototype
- var Messages = function () {
- var self = this
-
- compile(sch, opts.encodings || {}).forEach(function (m) {
- self[m.name] = m.values || m
- })
- }
-
- Messages.prototype.toString = function () {
- return schema.stringify(sch)
- }
-
- Messages.prototype.toJSON = function () {
- return sch
- }
-
- return new Messages()
-}