diff --git a/lib/TransactionRpc.js b/lib/TransactionRpc.js
index 4cfd4e71..f249a7f9 100644
--- a/lib/TransactionRpc.js
+++ b/lib/TransactionRpc.js
@@ -5,10 +5,8 @@ require('classtool');
 
 function spec(b) {
   var RpcClient       = require('bitcore/RpcClient').class(),
-//      networks         = require('bitcore/network'),
       BitcoreTransaction = require('bitcore/Transaction').class(),
-//      BitcoreBlock = require('bitcore/Block').class(),
-//      util         = require('bitcore/util/util'),
+      util         = require('bitcore/util/util'),
       config       = require('../config/config');
 
    var  rpc  = b.rpc || new RpcClient(config.bitcoind);
diff --git a/package.json b/package.json
index 74c14e1c..0d812fe3 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
   },
   "scripts": {
     "start": "node node_modules/grunt-cli/bin/grunt",
-    "postinstall": "node node_modules/bower/bin/bower install"
+    "postinstall": "node node_modules/bower/bin/bower install; node ./node_modules/grunt-cli/bin/grunt compile "
   },
   "dependencies": {
     "async": "*",