diff --git a/bin/start.js b/bin/start.js
index ea53eaca..7b65c58c 100644
--- a/bin/start.js
+++ b/bin/start.js
@@ -5,7 +5,6 @@ var chainlib = require('chainlib');
 var socketio = require('socket.io');
 var log = chainlib.log;
 log.debug = function() {};
-var utils = require('../lib/utils');
 
 var configuration = {
   datadir: process.env.BITCORENODE_DIR || '~/.bitcoin',
@@ -78,7 +77,7 @@ node.on('ready', function() {
           }
 
           if(result) {
-            response.result = utils.expandObject(result);
+            response.result = result;
           }
 
           socketCallback(response);
@@ -111,7 +110,7 @@ node.on('ready', function() {
           var results = [];
 
           for(var i = 0; i < arguments.length; i++) {
-            results.push(utils.expandObject(arguments[i]));
+            results.push(arguments[i]);
           }
 
           var params = [event.name].concat(results);
diff --git a/lib/block.js b/lib/block.js
index 6e5e9c13..e03d13fc 100644
--- a/lib/block.js
+++ b/lib/block.js
@@ -48,7 +48,7 @@ Block.fromBufferReader = function(br) {
   return new Block(obj);
 };
 
-Block.prototype.toObject = function() {
+Block.prototype.toObject = Block.prototype.toJSON = function() {
   return {
     version: this.version,
     prevHash: this.prevHash,
diff --git a/lib/transaction.js b/lib/transaction.js
index a971837f..39b9537b 100644
--- a/lib/transaction.js
+++ b/lib/transaction.js
@@ -65,39 +65,4 @@ Transaction.manyToBuffer = function(transactions) {
   return BaseTransaction.manyToBuffer(transactions);
 };
 
-/**
- * Override Bitcore's toObject() to include populated inputs and txid
- */
-Transaction.prototype.toObject = function toObject() {
-  var inputs = [];
-  this.inputs.forEach(function(input) {
-    var inputObj = input.toObject();
-    if(input.output) {
-      inputObj.output = input.output.toObject();
-    }
-    inputs.push(inputObj);
-  });
-  var outputs = [];
-  this.outputs.forEach(function(output) {
-    outputs.push(output.toObject());
-  });
-  var obj = {
-    txid: this.id,
-    version: this.version,
-    inputs: inputs,
-    outputs: outputs,
-    nLockTime: this.nLockTime
-  };
-  if (this._changeScript) {
-    obj.changeScript = this._changeScript.toString();
-  }
-  if (!_.isUndefined(this._changeIndex)) {
-    obj.changeIndex = this._changeIndex;
-  }
-  if (!_.isUndefined(this._fee)) {
-    obj.fee = this._fee;
-  }
-  return obj;
-};
-
 module.exports = Transaction;
diff --git a/lib/utils.js b/lib/utils.js
deleted file mode 100644
index ffdf34b9..00000000
--- a/lib/utils.js
+++ /dev/null
@@ -1,45 +0,0 @@
-'use strict';
-
-var chainlib = require('chainlib');
-var utils = chainlib.utils;
-
-/**
- * Bitcore's API does not implement toJSON in the standard way.
- * This causes issues when doing a JSON.stringify on an object
- * which contains Bitcore objects. This custom implmentation
- * of stringify accounts for Bitcore objects.
- * @param  {Object} obj
- * @return {String} json
- */
-utils.stringify = function(obj) {
-  return JSON.stringify(utils.expandObject(obj));
-}
-
-utils.expandObject = function(obj) {
-  if(Array.isArray(obj)) {
-    var expandedArray = [];
-    for(var i = 0; i < obj.length; i++) {
-      expandedArray.push(utils.expandObject(obj[i]));
-    }
-
-    return expandedArray;
-  } else if(typeof obj === 'function' || typeof obj === 'object') {
-    if(obj.toObject) {
-      return obj.toObject();
-    } else if(obj.toJSON) {
-      return obj.toJSON();
-    } else {
-      var expandedObj = {};
-
-      for(var key in obj) {
-        expandedObj[key] = utils.expandObject(obj[key]);
-      }
-
-      return expandedObj;
-    }
-  } else {
-    return obj;
-  }
-};
-
-module.exports = utils;
\ No newline at end of file
diff --git a/package.json b/package.json
index fa7abc50..953cb7c2 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
   "dependencies": {
     "async": "1.3.0",
     "bindings": "^1.2.1",
-    "bitcore": "^0.12.15",
+    "bitcore": "git+http://github.com/bitpay/bitcore.git#master",
     "chainlib": "^0.1.1",
     "errno": "^0.1.2",
     "memdown": "^1.0.0",