diff --git a/lib/roles/device/plugins/install.js b/lib/roles/device/plugins/install.js
index 7da0ca7d..ca456548 100644
--- a/lib/roles/device/plugins/install.js
+++ b/lib/roles/device/plugins/install.js
@@ -1,5 +1,4 @@
 var stream = require('stream')
-var util = require('util')
 
 var syrup = require('syrup')
 var request = require('request')
@@ -8,6 +7,7 @@ var Promise = require('bluebird')
 var logger = require('../../../util/logger')
 var wire = require('../../../wire')
 var wireutil = require('../../../wire/util')
+var promiseutil = require('../../../util/promiseutil')
 
 module.exports = syrup.serial()
   .dependency(require('../support/adb'))