diff --git a/gulp/tasks/clean.js b/gulp/tasks/clean.js
index ec7e1d5..0a880b2 100644
--- a/gulp/tasks/clean.js
+++ b/gulp/tasks/clean.js
@@ -1,6 +1,6 @@
 var gulp    = require('gulp'),
     del     = require('del');
 
-gulp.task('clean', function (done) {
-    return del(paths.out, done);
+gulp.task('clean', function () {
+    return del(paths.out);
 });

diff --git a/gulp/tasks/clean.js b/gulp/tasks/clean.js
index ec7e1d5..0a880b2 100644
--- a/gulp/tasks/clean.js
+++ b/gulp/tasks/clean.js
@@ -1,6 +1,6 @@
 var gulp    = require('gulp'),
     del     = require('del');
 
-gulp.task('clean', function (done) {
-    return del(paths.out, done);
+gulp.task('clean', function () {
+    return del(paths.out);
 });
diff --git a/package.json b/package.json
index 15b7fb8..ac032ac 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
   "devDependencies": {
     "browserify": "^11.0.1",
     "chai": "^3.2.0",
-    "del": "^1.2.1",
+    "del": "^2.0.2",
     "gulp": "^3.9.0",
     "gulp-cached": "^1.1.0",
     "gulp-concat": "^2.6.0",