diff --git a/aedes.js b/aedes.js
index 1799e3f4..c2abd17d 100644
--- a/aedes.js
+++ b/aedes.js
@@ -12,7 +12,6 @@ var Packet = require('aedes-packet')
 var bulk = require('bulk-write-stream')
 var reusify = require('reusify')
 var Client = require('./lib/client')
-var xtend = require('xtend')
 
 module.exports = Aedes
 
@@ -34,7 +33,7 @@ function Aedes (opts) {
     return new Aedes(opts)
   }
 
-  opts = xtend(defaultOptions, opts)
+  opts = Object.assign({}, defaultOptions, opts)
 
   this.id = opts.id || shortid()
   this.counter = 0
diff --git a/package.json b/package.json
index 8fb50146..8de8db8f 100644
--- a/package.json
+++ b/package.json
@@ -72,7 +72,6 @@
     "reusify": "^1.0.4",
     "shortid": "^2.2.14",
     "through2": "^3.0.0",
-    "uuid": "^3.3.2",
-    "xtend": "^4.0.1"
+    "uuid": "^3.3.2"
   }
 }