diff --git a/gulpfile.js b/gulpfile.js
index 697185d3..05bf2bc3 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -8,7 +8,6 @@ var rename = require("gulp-rename");
 var webpack = require('webpack');
 var uglify = require('uglify-js');
 var rimraf = require('rimraf');
-var merge = require('merge-stream');
 var argv = require('yargs').argv;
 
 var ENTRY             = './index.js';
diff --git a/package.json b/package.json
index 5d22df48..93c24982 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,6 @@
     "gulp-concat": "^2.6.0",
     "gulp-rename": "^1.2.2",
     "gulp-util": "^3.0.7",
-    "merge-stream": "^1.0.0",
     "mocha": "^3.1.2",
     "rimraf": "^2.5.2",
     "uglify-js": "^2.6.2",