diff --git a/Gruntfile.js b/Gruntfile.js
index dc737c8..d432885 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -18,23 +18,9 @@ module.exports = function(grunt) {
         command: 'node ./browserify.js >  browser/bundle.js',
       },
       browserifyData: {
-        options: {
-          stdout: true
-        },
-        command: 'browserify  -t brfs  test/testdata.js  > browser/testdata.js'
+        command: 'browserify  -t brfs  -s testdata test/testdata.js  -o browser/testdata.js'
       },
     },
-    browserify: {
-      test_data: {
-        src: ['test/testdata.js'],
-        dest: 'browser/testdata.js',
-        options: {
-          transform: ['brfs'],
-          debug: true,
-          standalone: 'testdata',
-        }
-      }
-    },
     watch: {
       readme: {
         files: ['README.md'],
diff --git a/README.md b/README.md
index 09cd6f2..2d0dee3 100644
--- a/README.md
+++ b/README.md
@@ -267,7 +267,7 @@ Bitcore needs some developer love. Please send pull requests for bug fixes, code
 Work to enable Bitcore for use in the browser is ongoing. To build bitcore for the browser:
 ```
 npm install -g grunt-cli
-grunt browserify
+grunt shell
 ```
 
 You can check a usage example at examples/example.html
diff --git a/browserify.js b/browserify.js
index cbc8941..202eb87 100644
--- a/browserify.js
+++ b/browserify.js
@@ -66,12 +66,15 @@ b.require('./util/util');
 b.require('./util/EncodedData');
 b.require('./util/VersionedData');
 b.add('./browser/bignum_config.js');
+b.require('./test/testdata.js', {expose: './testdata'});
+b.transform('brfs');
 
 modules.forEach(function(m) {
    b.require('./' + m + '.js' ,{expose:m} );
  });
 
 var bopts = {
+  transform: ['brfs']
   // detectGlobals: true,
   // insertGlobals: 'Buffer',
   // insertGlobalVars: {
diff --git a/test/index.html b/test/index.html
index 9946f5c..798acd8 100644
--- a/test/index.html
+++ b/test/index.html
@@ -12,7 +12,6 @@
     <script src="../node_modules/chai/chai.js"></script>
     <script>mocha.setup('bdd')</script>
     <script src="../browser/bundle.js"></script>
-    <script src="../browser/testdata.js"></script>
 
     <script>
       var bitcore = require('bitcore');