diff --git a/build.js b/build.js
index e77dc2ab2..d878fd22d 100755
--- a/build.js
+++ b/build.js
@@ -23,7 +23,6 @@ function makeBundle(name, config) {
     config.standalone = "sinon";
 
     browserify("./lib/sinon.js", config)
-        .plugin("proxyquire-universal")
         .bundle(function (err, buffer) {
             if (err) {
                 throw err;
diff --git a/package.json b/package.json
index 4ce3100c2..c066c78d3 100644
--- a/package.json
+++ b/package.json
@@ -56,8 +56,6 @@
     "phantomic": "^1.4.0",
     "phantomjs-prebuilt": "^2.1.14",
     "proxyquire": "^1.8.0",
-    "proxyquire-universal": "^1.0.8",
-    "proxyquireify": "^3.2.1",
     "referee": "^1.2.0",
     "rimraf": "^2.5.3"
   },