diff --git a/API.js b/API.js
index 5b4a969ed..e9f4cbc43 100644
--- a/API.js
+++ b/API.js
@@ -1,4 +1,4 @@
-var WalletFactory = require('./js/models/core/WalletFactory');
+var WalletFactory = require('./js/models/WalletFactory');
 
 var API = function(opts) {
   this._init(opts);
diff --git a/Gruntfile.js b/Gruntfile.js
index b1dbd2949..ada4eed96 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -28,7 +28,7 @@ module.exports = function(grunt) {
         tagName: 'v<%= version %>',
         commitMessage: 'New release v<%= version %>',
         tagMessage: 'Version <%= version %>',
-        github: { 
+        github: {
           repo: 'bitpay/copay',
           usernameVar: 'GITHUB_USERNAME', //ENVIRONMENT VARIABLE that contains Github username 
           passwordVar: 'GITHUB_PASSWORD' //ENVIRONMENT VARIABLE that contains Github password
@@ -64,7 +64,6 @@ module.exports = function(grunt) {
       },
       scripts: {
         files: [
-          'js/models/**/*.js',
           'js/models/*.js',
           'plugins/*.js',
         ],
@@ -201,8 +200,8 @@ module.exports = function(grunt) {
       },
     },
     jsdoc: {
-      dist : {
-        src: ['js/models/core/*.js', 'js/models/*.js', 'plugins/*.js'],
+      dist: {
+        src: ['js/models/*.js', 'plugins/*.js'],
         options: {
           destination: 'doc',
           configure: 'jsdoc.conf.json',
diff --git a/copay.js b/copay.js
index 6bba1b613..dc1ff87de 100644
--- a/copay.js
+++ b/copay.js
@@ -1,22 +1,22 @@
 // core
-module.exports.PublicKeyRing = require('./js/models/core/PublicKeyRing');
-module.exports.TxProposal = require('./js/models/core/TxProposal');
-module.exports.TxProposals = require('./js/models/core/TxProposals');
-module.exports.PrivateKey = require('./js/models/core/PrivateKey');
-module.exports.Passphrase = require('./js/models/core/Passphrase');
-module.exports.HDPath = require('./js/models/core/HDPath');
-module.exports.HDParams = require('./js/models/core/HDParams');
+module.exports.PublicKeyRing = require('./js/models/PublicKeyRing');
+module.exports.TxProposal = require('./js/models/TxProposal');
+module.exports.TxProposals = require('./js/models/TxProposals');
+module.exports.PrivateKey = require('./js/models/PrivateKey');
+module.exports.Passphrase = require('./js/models/Passphrase');
+module.exports.HDPath = require('./js/models/HDPath');
+module.exports.HDParams = require('./js/models/HDParams');
 
 
 // components
-var Async = module.exports.Async = require('./js/models/network/Async');
-var Insight = module.exports.Insight = require('./js/models/blockchain/Insight');
+var Async = module.exports.Async = require('./js/models/Async');
+var Insight = module.exports.Insight = require('./js/models/Insight');
 var Storage = module.exports.Storage = require('./js/models/Storage');
 
-module.exports.WalletFactory = require('./js/models/core/WalletFactory');
-module.exports.Wallet = require('./js/models/core/Wallet');
-module.exports.WalletLock = require('./js/models/core/WalletLock');
-module.exports.PluginManager = require('./js/models/core/PluginManager');
+module.exports.WalletFactory = require('./js/models/WalletFactory');
+module.exports.Wallet = require('./js/models/Wallet');
+module.exports.WalletLock = require('./js/models/WalletLock');
+module.exports.PluginManager = require('./js/models/PluginManager');
 module.exports.version = require('./version').version;
 module.exports.commitHash = require('./version').commitHash;
 
diff --git a/js/models/network/Async.js b/js/models/Async.js
similarity index 99%
rename from js/models/network/Async.js
rename to js/models/Async.js
index a2ca61017..217eb9869 100644
--- a/js/models/network/Async.js
+++ b/js/models/Async.js
@@ -2,7 +2,7 @@
 
 var EventEmitter = require('events').EventEmitter;
 var bitcore = require('bitcore');
-var log = require('../../log');
+var log = require('../log');
 var AuthMessage = bitcore.AuthMessage;
 var util = bitcore.util;
 var nodeUtil = require('util');
@@ -236,7 +236,7 @@ Network.prototype._setupConnectionHandlers = function(opts, cb) {
   });
 
   self.socket.on('subscribed', function(m) {
-    var fromTs = (opts.lastTimestamp||0) + 1;
+    var fromTs = (opts.lastTimestamp || 0) + 1;
     self.socket.emit('sync', fromTs);
     self.started = true;
   });
diff --git a/js/models/core/BuilderMockV0.js b/js/models/BuilderMockV0.js
similarity index 100%
rename from js/models/core/BuilderMockV0.js
rename to js/models/BuilderMockV0.js
diff --git a/js/models/core/HDParams.js b/js/models/HDParams.js
similarity index 100%
rename from js/models/core/HDParams.js
rename to js/models/HDParams.js
diff --git a/js/models/core/HDPath.js b/js/models/HDPath.js
similarity index 100%
rename from js/models/core/HDPath.js
rename to js/models/HDPath.js
diff --git a/js/models/blockchain/Insight.js b/js/models/Insight.js
similarity index 99%
rename from js/models/blockchain/Insight.js
rename to js/models/Insight.js
index 82d29e81d..79967176b 100644
--- a/js/models/blockchain/Insight.js
+++ b/js/models/Insight.js
@@ -5,7 +5,7 @@ var async = require('async');
 var request = require('request');
 var bitcore = require('bitcore');
 var io = require('socket.io-client');
-var log = require('../../log');
+var log = require('../log');
 
 var EventEmitter = require('events').EventEmitter;
 var preconditions = require('preconditions').singleton();
diff --git a/js/models/core/Passphrase.js b/js/models/Passphrase.js
similarity index 100%
rename from js/models/core/Passphrase.js
rename to js/models/Passphrase.js
diff --git a/js/models/core/PluginManager.js b/js/models/PluginManager.js
similarity index 97%
rename from js/models/core/PluginManager.js
rename to js/models/PluginManager.js
index c7574e794..57eaea6b9 100644
--- a/js/models/core/PluginManager.js
+++ b/js/models/PluginManager.js
@@ -1,6 +1,6 @@
 'use strict';
 var preconditions = require('preconditions').singleton();
-var log = require('../../log');
+var log = require('../log');
 
 function PluginManager(config) {
   this.registered = {};
diff --git a/js/models/core/PrivateKey.js b/js/models/PrivateKey.js
similarity index 100%
rename from js/models/core/PrivateKey.js
rename to js/models/PrivateKey.js
diff --git a/js/models/core/PublicKeyRing.js b/js/models/PublicKeyRing.js
similarity index 96%
rename from js/models/core/PublicKeyRing.js
rename to js/models/PublicKeyRing.js
index 54fca0faf..84a08ed16 100644
--- a/js/models/core/PublicKeyRing.js
+++ b/js/models/PublicKeyRing.js
@@ -2,7 +2,7 @@
 
 var preconditions = require('preconditions').instance();
 var _ = require('underscore');
-var log = require('../../log');
+var log = require('../log');
 var bitcore = require('bitcore');
 var HK = bitcore.HierarchicalKey;
 var Address = bitcore.Address;
@@ -40,7 +40,7 @@ function PublicKeyRing(opts) {
 
   this.indexes = opts.indexes ? HDParams.fromList(opts.indexes) : HDParams.init(this.totalCopayers);
 
-  this.publicKeysCache =  {};
+  this.publicKeysCache = {};
   this.nicknameFor = opts.nicknameFor || {};
   this.copayerIds = [];
   this.copayersBackup = opts.copayersBackup || [];
@@ -68,10 +68,10 @@ function PublicKeyRing(opts) {
  *                   as a parameter
  */
 PublicKeyRing.trim = function(data) {
- var opts = {};
+  var opts = {};
   ['walletId', 'networkName', 'requiredCopayers', 'totalCopayers',
-   'indexes','nicknameFor','copayersBackup', 'copayersExtPubKeys'
-  ].forEach(function(k){
+    'indexes', 'nicknameFor', 'copayersBackup', 'copayersExtPubKeys'
+  ].forEach(function(k) {
     opts[k] = data[k];
   });
   return opts;
@@ -259,7 +259,9 @@ PublicKeyRing.prototype.addCopayer = function(newHexaExtendedPublicKey, nickname
   preconditions.checkArgument(!this.isComplete());
   preconditions.checkArgument(!nickname || _.isString(nickname));
   preconditions.checkArgument(!_.any(this.copayersHK,
-    function(copayer) { return copayer.extendedPublicKeyString === newHexaExtendedPublicKey; }
+    function(copayer) {
+      return copayer.extendedPublicKeyString === newHexaExtendedPublicKey;
+    }
   ));
 
   var newCopayerIndex = this.copayersHK.length;
@@ -564,17 +566,18 @@ PublicKeyRing.prototype.copayersForPubkeys = function(pubkeys, paths) {
   preconditions.checkArgument(pubkeys);
   preconditions.checkArgument(paths);
 
-  var inKeyMap = {}, ret = {};
-  for(var i in pubkeys ){
+  var inKeyMap = {},
+    ret = {};
+  for (var i in pubkeys) {
     inKeyMap[pubkeys[i]] = 1;
   };
 
   var keys = this.getForPaths(paths);
-  for(var i in keys ){
-    for(var copayerIndex in keys[i] ){
+  for (var i in keys) {
+    for (var copayerIndex in keys[i]) {
       var kHex = keys[i][copayerIndex].toString('hex');
       if (inKeyMap[kHex]) {
-        ret[kHex] =this.copayerIds[copayerIndex];
+        ret[kHex] = this.copayerIds[copayerIndex];
         delete inKeyMap[kHex];
       }
     }
@@ -628,17 +631,17 @@ PublicKeyRing.prototype._checkInPKR = function(inPKR, ignoreId) {
 
   if (this.network.name !== inPKR.network.name)
     throw new Error('Network mismatch. Should be ' + this.network.name +
-                    ' and found ' + inPKR.network.name);
+      ' and found ' + inPKR.network.name);
 
   if (this.requiredCopayers && inPKR.requiredCopayers &&
-      (this.requiredCopayers !== inPKR.requiredCopayers))
+    (this.requiredCopayers !== inPKR.requiredCopayers))
     throw new Error('inPKR requiredCopayers mismatch ' + this.requiredCopayers +
-                    '!=' + inPKR.requiredCopayers);
+      '!=' + inPKR.requiredCopayers);
 
   if (this.totalCopayers && inPKR.totalCopayers &&
-      this.totalCopayers !== inPKR.totalCopayers)
+    this.totalCopayers !== inPKR.totalCopayers)
     throw new Error('inPKR totalCopayers mismatch' + this.totalCopayers +
-                    '!=' + inPKR.requiredCopayers);
+      '!=' + inPKR.requiredCopayers);
 
   return true;
 };
@@ -659,7 +662,9 @@ PublicKeyRing.prototype._mergePubkeys = function(inPKR) {
 
   inPKR.copayersHK.forEach(function(b) {
     var epk = b.extendedPublicKeyString();
-    var haveIt = _.any(self.copayersHK, function(hk) { return hk.extendedPublicKeyString() === epk; });
+    var haveIt = _.any(self.copayersHK, function(hk) {
+      return hk.extendedPublicKeyString() === epk;
+    });
 
     if (!haveIt) {
       if (self.isComplete()) {
diff --git a/js/models/core/TxProposal.js b/js/models/TxProposal.js
similarity index 100%
rename from js/models/core/TxProposal.js
rename to js/models/TxProposal.js
diff --git a/js/models/core/TxProposals.js b/js/models/TxProposals.js
similarity index 100%
rename from js/models/core/TxProposals.js
rename to js/models/TxProposals.js
diff --git a/js/models/core/Wallet.js b/js/models/Wallet.js
similarity index 99%
rename from js/models/core/Wallet.js
rename to js/models/Wallet.js
index 1d57edd76..f32180e03 100644
--- a/js/models/core/Wallet.js
+++ b/js/models/Wallet.js
@@ -17,7 +17,7 @@ var Base58Check = bitcore.Base58.base58Check;
 var Address = bitcore.Address;
 var PayPro = bitcore.PayPro;
 var Transaction = bitcore.Transaction;
-var log = require('../../log');
+var log = require('../log');
 
 var HDParams = require('./HDParams');
 var PublicKeyRing = require('./PublicKeyRing');
@@ -25,7 +25,7 @@ var TxProposal = require('./TxProposal');
 var TxProposals = require('./TxProposals');
 var PrivateKey = require('./PrivateKey');
 var WalletLock = require('./WalletLock');
-var copayConfig = require('../../../config');
+var copayConfig = require('../../config');
 
 /**
  * @desc
@@ -2382,7 +2382,7 @@ Wallet.prototype.indexDiscovery = function(start, change, copayerIndex, gap, cb)
  * @desc Closes the wallet and disconnects all services
  */
 Wallet.prototype.close = function(cb) {
-  var self =this;
+  var self = this;
   log.debug('## CLOSING');
   this.lock.release(function() {
     self.network.cleanUp();
diff --git a/js/models/core/WalletFactory.js b/js/models/WalletFactory.js
similarity index 98%
rename from js/models/core/WalletFactory.js
rename to js/models/WalletFactory.js
index 5dc57dd19..7b3d4d103 100644
--- a/js/models/core/WalletFactory.js
+++ b/js/models/WalletFactory.js
@@ -6,12 +6,12 @@ var PublicKeyRing = require('./PublicKeyRing');
 var PrivateKey = require('./PrivateKey');
 var Wallet = require('./Wallet');
 var _ = require('underscore');
-var log = require('../../log');
+var log = require('../log');
 var PluginManager = require('./PluginManager');
-var Async = module.exports.Async = require('../network/Async');
-var Insight = module.exports.Insight = require('../blockchain/Insight');
+var Async = module.exports.Async = require('./Async');
+var Insight = module.exports.Insight = require('./Insight');
 var preconditions = require('preconditions').singleton();
-var Storage = module.exports.Storage = require('../Storage');
+var Storage = module.exports.Storage = require('./Storage');
 
 /**
  * @desc
@@ -427,7 +427,7 @@ WalletFactory.prototype.joinCreateSession = function(opts, cb) {
           return cb('badNetwork');
         }
 
-        var walletOpts =  _.clone(data.opts);
+        var walletOpts = _.clone(data.opts);
         walletOpts.id = data.walletId;
 
         walletOpts.privateKey = privateKey;
diff --git a/js/models/core/WalletLock.js b/js/models/WalletLock.js
similarity index 100%
rename from js/models/core/WalletLock.js
rename to js/models/WalletLock.js
diff --git a/test/test.HDPath.js b/test/test.HDPath.js
index 22f6959d0..d81a8ed7f 100644
--- a/test/test.HDPath.js
+++ b/test/test.HDPath.js
@@ -8,7 +8,7 @@ try {
 } catch (e) {
   var copay = require('../copay'); //node
 }
-var HDPath = require('../js/models/core/HDPath');
+var HDPath = require('../js/models/HDPath');
 
 describe('HDPath model', function() {
   it('should have the correct constants', function() {
@@ -40,33 +40,33 @@ describe('HDPath model', function() {
 
   [
     ['m/45\'/0/0/0', {
-    index: 0,
-    isChange: false
-  }],
-  ['m/45\'/0/0/1', {
-    index: 1,
-    isChange: false
-  }],
-  ['m/45\'/0/0/2', {
-    index: 2,
-    isChange: false
-  }],
-  ['m/45\'/0/1/0', {
-    index: 0,
-    isChange: true
-  }],
-  ['m/45\'/0/1/1', {
-    index: 1,
-    isChange: true
-  }],
-  ['m/45\'/0/1/2', {
-    index: 2,
-    isChange: true
-  }],
-  ['m/45\'/0/0/900', {
-    index: 900,
-    isChange: false
-  }],
+      index: 0,
+      isChange: false
+    }],
+    ['m/45\'/0/0/1', {
+      index: 1,
+      isChange: false
+    }],
+    ['m/45\'/0/0/2', {
+      index: 2,
+      isChange: false
+    }],
+    ['m/45\'/0/1/0', {
+      index: 0,
+      isChange: true
+    }],
+    ['m/45\'/0/1/1', {
+      index: 1,
+      isChange: true
+    }],
+    ['m/45\'/0/1/2', {
+      index: 2,
+      isChange: true
+    }],
+    ['m/45\'/0/0/900', {
+      index: 900,
+      isChange: false
+    }],
   ].forEach(function(datum) {
     var path = datum[0];
     var result = datum[1];
diff --git a/test/test.PrivateKey.js b/test/test.PrivateKey.js
index 69753234e..3c2c4da8b 100644
--- a/test/test.PrivateKey.js
+++ b/test/test.PrivateKey.js
@@ -16,7 +16,7 @@ try {
 } catch (e) {
   var copay = require('../copay'); //node
 }
-var PrivateKey = copay.PrivateKey || require('../js/models/core/PrivateKey');
+var PrivateKey = copay.PrivateKey || require('../js/models/PrivateKey');
 
 var pkConfig = {
   networkName: 'livenet',
@@ -33,7 +33,7 @@ describe('PrivateKey model', function() {
 
   it('should derive priv keys', function() {
     var pk = new PrivateKey(pkConfig);
-    for (var j = false; !j; j=true) {
+    for (var j = false; !j; j = true) {
       for (var i = 0; i < 3; i++) {
         var wk = pk.get(i, j);
         should.exist(wk);
diff --git a/test/test.PublicKeyRing.js b/test/test.PublicKeyRing.js
index 658c9a4de..c9bb98730 100644
--- a/test/test.PublicKeyRing.js
+++ b/test/test.PublicKeyRing.js
@@ -6,7 +6,7 @@ var bitcore = bitcore || require('bitcore');
 var Address = bitcore.Address;
 var buffertools = bitcore.buffertools;
 
-var HDPath = require('../js/models/core/HDPath');
+var HDPath = require('../js/models/HDPath');
 
 try {
   var copay = require('copay'); //browser
@@ -21,10 +21,10 @@ var aMasterPubKey = 'tprv8ZgxMBicQKsPdSVTiWXEqCCzqRaRr9EAQdn5UVMpT9UHX67Dh1FmzEM
 
 var getNewEpk = function() {
   return new PrivateKey({
-    networkName: 'livenet',
-  })
-  .deriveBIP45Branch()
-  .extendedPublicKeyString();
+      networkName: 'livenet',
+    })
+    .deriveBIP45Branch()
+    .extendedPublicKeyString();
 }
 
 var createW = function(networkName) {
@@ -53,7 +53,7 @@ var createW = function(networkName) {
 };
 
 var cachedW;
-var getCachedW = function()  {
+var getCachedW = function() {
   if (!cachedW) {
     cachedW = createW();
   }
@@ -152,7 +152,7 @@ describe('PublicKeyRing model', function() {
         a.network().name.should.equal('livenet');
         if (i > 1) {
           w.getAddress(i - 1, isChange).toString().should
-          .not.equal(w.getAddress(i - 2, isChange).toString());
+            .not.equal(w.getAddress(i - 2, isChange).toString());
         }
       }
     });
@@ -193,9 +193,9 @@ describe('PublicKeyRing model', function() {
     var w = k.w;
 
     for (var i = 0; i < 3; i++)
-    w.generateAddress(true, k.pub);
+      w.generateAddress(true, k.pub);
     for (var i = 0; i < 2; i++)
-    w.generateAddress(false, k.pub);
+      w.generateAddress(false, k.pub);
 
     w.getHDParams(k.pub).getChangeIndex().should.equal(3);
     w.getHDParams(k.pub).getReceiveIndex().should.equal(2);
@@ -258,9 +258,9 @@ describe('PublicKeyRing model', function() {
     var w = k.w;
 
     for (var i = 0; i < 2; i++)
-    w.generateAddress(true, k.pub);
+      w.generateAddress(true, k.pub);
     for (var i = 0; i < 3; i++)
-    w.generateAddress(false, k.pub);
+      w.generateAddress(false, k.pub);
 
     var w2 = new PublicKeyRing({
       networkName: 'livenet',
@@ -327,7 +327,7 @@ describe('PublicKeyRing model', function() {
     });
 
     for (var i = 0; i < 5; i++)
-    w0.addCopayer(getNewEpk());
+      w0.addCopayer(getNewEpk());
 
     (function() {
       w0.merge(w);
@@ -441,11 +441,9 @@ describe('PublicKeyRing model', function() {
     };
     var pkr = new PublicKeyRing(config);
 
-    (function () 
-    {
+    (function() {
       PublicKeyRing.fromObj(pkr);
-    }
-    ).should.throw('bad data format: Did you use .toObj()?');  
+    }).should.throw('bad data format: Did you use .toObj()?');
   });
 
 
@@ -499,9 +497,9 @@ describe('PublicKeyRing model', function() {
     var amount = 2;
 
     for (var i = 0; i < amount; i++)
-    w.generateAddress(true, k.pub);
+      w.generateAddress(true, k.pub);
     for (var i = 0; i < amount; i++)
-    w.generateAddress(false, k.pub);
+      w.generateAddress(false, k.pub);
 
     var m = w.getRedeemScriptMap([
       'm/45\'/2147483647/1/0',
diff --git a/test/test.WalletFactory.js b/test/test.WalletFactory.js
index 0b1a16d3a..ff30c525c 100644
--- a/test/test.WalletFactory.js
+++ b/test/test.WalletFactory.js
@@ -10,18 +10,18 @@ var sinon = require('sinon');
 var FakeNetwork = require('./mocks/FakeNetwork');
 var FakeBlockchain = require('./mocks/FakeBlockchain');
 var FakeStorage = function FakeStorage() {};
-var WalletFactory = require('../js/models/core/WalletFactory');
-var Passphrase = require('../js/models/core/Passphrase');
+var WalletFactory = require('../js/models/WalletFactory');
+var Passphrase = require('../js/models/Passphrase');
 var mockLocalStorage = require('./mocks/FakeLocalStorage');
 var mockSessionStorage = require('./mocks/FakeLocalStorage');
 
 
-var PERSISTED_PROPERTIES = (copay.Wallet || require('../js/models/core/Wallet')).PERSISTED_PROPERTIES;
+var PERSISTED_PROPERTIES = (copay.Wallet || require('../js/models/Wallet')).PERSISTED_PROPERTIES;
 
 function assertObjectEqual(a, b) {
   PERSISTED_PROPERTIES.forEach(function(k) {
     if (a[k] && b[k]) {
-      _.omit(a[k],'name').should.be.deep.equal(b[k], k + ' differs');
+      _.omit(a[k], 'name').should.be.deep.equal(b[k], k + ' differs');
     }
   })
 }
diff --git a/test/test.performance.js b/test/test.performance.js
index 5064ff097..39a6581cb 100644
--- a/test/test.performance.js
+++ b/test/test.performance.js
@@ -2,15 +2,15 @@
 
 var chai = chai || require('chai');
 var should = chai.should();
-var PrivateKey = require('../js/models/core/PrivateKey');
-var PublicKeyRing = require('../js/models/core/PublicKeyRing');
+var PrivateKey = require('../js/models/PrivateKey');
+var PublicKeyRing = require('../js/models/PublicKeyRing');
 
 var getNewEpk = function() {
   return new PrivateKey({
-    networkName: 'livenet',
-  })
-  .deriveBIP45Branch()
-  .extendedPublicKeyString();
+      networkName: 'livenet',
+    })
+    .deriveBIP45Branch()
+    .extendedPublicKeyString();
 }
 
 
diff --git a/util/build.js b/util/build.js
index 0d5b0f44e..a842534f1 100644
--- a/util/build.js
+++ b/util/build.js
@@ -58,33 +58,33 @@ var createBundle = function(opts) {
     expose: '../js/log'
   });
   //  b.external('bitcore');
-  b.require('./js/models/core/WalletFactory', {
-    expose: '../js/models/core/WalletFactory'
+  b.require('./js/models/WalletFactory', {
+    expose: '../js/models/WalletFactory'
   });
-  b.require('./js/models/core/Wallet');
-  b.require('./js/models/core/Wallet', {
-    expose: '../../js/models/core/Wallet'
+  b.require('./js/models/Wallet');
+  b.require('./js/models/Wallet', {
+    expose: '../../js/models/Wallet'
   });
-  b.require('./js/models/core/WalletLock', {
-    expose: '../js/models/core/WalletLock'
+  b.require('./js/models/WalletLock', {
+    expose: '../js/models/WalletLock'
   });
-  b.require('./js/models/blockchain/Insight', {
-    expose: '../js/models/blockchain/Insight'
+  b.require('./js/models/Insight', {
+    expose: '../js/models/Insight'
   });
-  b.require('./js/models/core/PrivateKey', {
-    expose: '../js/models/core/PrivateKey'
+  b.require('./js/models/PrivateKey', {
+    expose: '../js/models/PrivateKey'
   });
-  b.require('./js/models/core/PublicKeyRing', {
-    expose: '../js/models/core/PublicKeyRing'
+  b.require('./js/models/PublicKeyRing', {
+    expose: '../js/models/PublicKeyRing'
   });
-  b.require('./js/models/core/Passphrase', {
-    expose: '../js/models/core/Passphrase'
+  b.require('./js/models/Passphrase', {
+    expose: '../js/models/Passphrase'
   });
-  b.require('./js/models/core/HDPath', {
-    expose: '../js/models/core/HDPath'
+  b.require('./js/models/HDPath', {
+    expose: '../js/models/HDPath'
   });
-  b.require('./js/models/core/PluginManager', {
-    expose: '../js/models/core/PluginManager'
+  b.require('./js/models/PluginManager', {
+    expose: '../js/models/PluginManager'
   });
 
   if (!opts.disablePlugins) {
@@ -95,7 +95,7 @@ var createBundle = function(opts) {
       expose: '../plugins/LocalStorage'
     });
   }
- 
+
   b.require('./config', {
     expose: '../config'
   });
diff --git a/util/find_m_n.js b/util/find_m_n.js
index dd28ec828..ddebf3e55 100755
--- a/util/find_m_n.js
+++ b/util/find_m_n.js
@@ -6,14 +6,14 @@ var async = require('async');
 var bitcore = require('bitcore');
 var chai = require('chai');
 var should = chai.should();
-var PublicKeyRing = require('../js/models/core/PublicKeyRing');
-var PrivateKey = require('../js/models/core/PrivateKey');
+var PublicKeyRing = require('../js/models/PublicKeyRing');
+var PrivateKey = require('../js/models/PrivateKey');
 
 var FakeNetwork = require('../test/mocks/FakeNetwork');
 var Insight = require('../js/models/blockchain/Insight');
 var FakeStorage = require('../test/mocks/FakeStorage');
 
-var WalletFactory = require('soop').load('../js/models/core/WalletFactory', {
+var WalletFactory = require('soop').load('../js/models/WalletFactory', {
   Network: FakeNetwork,
   Blockchain: Insight,
   Storage: FakeStorage,
@@ -34,7 +34,7 @@ for (var n = 1; n <= N_LIMIT; n++) {
     // case m-of-n
     console.log('case ' + m + '-of-' + n);
     var pair = [m, n];
-    for (var iter = 0; iter <= ITERS*n; iter++) {
+    for (var iter = 0; iter <= ITERS * n; iter++) {
       // create full pkr
       var publicKeyRing = new PublicKeyRing({
         networkName: nn,
@@ -108,11 +108,11 @@ for (var n = 1; n <= N_LIMIT; n++) {
 
     }
     var size = maxs[pair];
-    console.log('\tmax size: '+size);
+    console.log('\tmax size: ' + size);
     var m_valid = false;
     if (size < 500) {
       m_valid = true;
-      valid[[m,n]] = size;
+      valid[[m, n]] = size;
     }
     if (!m_valid) break;
   }