diff --git a/lib/models/README.md b/common/models/README.md
similarity index 100%
rename from lib/models/README.md
rename to common/models/README.md
diff --git a/lib/models/access-token.js b/common/models/access-token.js
similarity index 99%
rename from lib/models/access-token.js
rename to common/models/access-token.js
index 85a9f5f7..8243747d 100644
--- a/lib/models/access-token.js
+++ b/common/models/access-token.js
@@ -2,7 +2,7 @@
  * Module Dependencies.
  */
 
-var loopback = require('../loopback')
+var loopback = require('../../lib/loopback')
   , assert = require('assert')
   , crypto = require('crypto')
   , uid = require('uid2')
diff --git a/lib/models/acl.js b/common/models/acl.js
similarity index 99%
rename from lib/models/acl.js
rename to common/models/acl.js
index 81eb93a5..ee33d97d 100644
--- a/lib/models/acl.js
+++ b/common/models/acl.js
@@ -31,12 +31,12 @@
 
  */
 
-var loopback = require('../loopback');
+var loopback = require('../../lib/loopback');
 var async = require('async');
 var assert = require('assert');
 var debug = require('debug')('loopback:security:acl');
 
-var ctx = require('./access-context');
+var ctx = require('../../lib/access-context');
 var AccessContext = ctx.AccessContext;
 var Principal = ctx.Principal;
 var AccessRequest = ctx.AccessRequest;
diff --git a/lib/models/application.js b/common/models/application.js
similarity index 99%
rename from lib/models/application.js
rename to common/models/application.js
index 07c101d2..4f3a066d 100644
--- a/lib/models/application.js
+++ b/common/models/application.js
@@ -1,4 +1,4 @@
-var loopback = require('../loopback');
+var loopback = require('../../lib/loopback');
 var assert = require('assert');
 
 // Authentication schemes
diff --git a/lib/models/change.js b/common/models/change.js
similarity index 99%
rename from lib/models/change.js
rename to common/models/change.js
index bd51faac..ed347eeb 100644
--- a/lib/models/change.js
+++ b/common/models/change.js
@@ -2,8 +2,8 @@
  * Module Dependencies.
  */
 
-var PersistedModel = require('./persisted-model')
-  , loopback = require('../loopback')
+var PersistedModel = require('../../lib/loopback').PersistedModel
+  , loopback = require('../../lib/loopback')
   , crypto = require('crypto')
   , CJSON = {stringify: require('canonical-json')}
   , async = require('async')
diff --git a/lib/models/checkpoint.js b/common/models/checkpoint.js
similarity index 92%
rename from lib/models/checkpoint.js
rename to common/models/checkpoint.js
index 2d607bf0..9ac1f5b5 100644
--- a/lib/models/checkpoint.js
+++ b/common/models/checkpoint.js
@@ -2,8 +2,8 @@
  * Module Dependencies.
  */
 
-var PersistedModel = require('../loopback').PersistedModel
-  , loopback = require('../loopback')
+var PersistedModel = require('../../lib/loopback').PersistedModel
+  , loopback = require('../../lib/loopback')
   , assert = require('assert');
 
 /**
diff --git a/lib/models/email.js b/common/models/email.js
similarity index 94%
rename from lib/models/email.js
rename to common/models/email.js
index fb274065..0d0e7993 100644
--- a/lib/models/email.js
+++ b/common/models/email.js
@@ -2,8 +2,8 @@
  * Module Dependencies.
  */
 
-var Model = require('../loopback').Model
-  , loopback = require('../loopback');
+var Model = require('../../lib/loopback').Model
+  , loopback = require('../../lib/loopback');
 
 var properties = {
   to: {type: String, required: true},
diff --git a/lib/models/role.js b/common/models/role.js
similarity index 99%
rename from lib/models/role.js
rename to common/models/role.js
index e852b139..1a588040 100644
--- a/lib/models/role.js
+++ b/common/models/role.js
@@ -1,9 +1,9 @@
-var loopback = require('../loopback');
+var loopback = require('../../lib/loopback');
 var debug = require('debug')('loopback:security:role');
 var assert = require('assert');
 var async = require('async');
 
-var AccessContext = require('./access-context').AccessContext;
+var AccessContext = require('../../lib/access-context').AccessContext;
 
 // Role model
 var RoleSchema = {
diff --git a/lib/models/user.js b/common/models/user.js
similarity index 99%
rename from lib/models/user.js
rename to common/models/user.js
index 45e4cc60..d4a3ef04 100644
--- a/lib/models/user.js
+++ b/common/models/user.js
@@ -2,8 +2,8 @@
  * Module Dependencies.
  */
 
-var PersistedModel = require('../loopback').PersistedModel
-  , loopback = require('../loopback')
+var PersistedModel = require('../../lib/loopback').PersistedModel
+  , loopback = require('../../lib/loopback')
   , path = require('path')
   , SALT_WORK_FACTOR = 10
   , crypto = require('crypto')
diff --git a/docs.json b/docs.json
index c79bfa0d..71f47537 100644
--- a/docs.json
+++ b/docs.json
@@ -5,22 +5,22 @@
     "lib/loopback.js",
     "lib/runtime.js",
     "lib/registry.js",
-{ "title": "Base models", "depth": 2 },     
-    "lib/models/model.js",    
-    "lib/models/persisted-model.js",
-{ "title": "Middleware", "depth": 2 },    
+{ "title": "Base models", "depth": 2 },
+    "lib/model.js",
+    "lib/persisted-model.js",
+{ "title": "Middleware", "depth": 2 },
     "lib/middleware/rest.js",
     "lib/middleware/status.js",
-    "lib/middleware/token.js",    
+    "lib/middleware/token.js",
     "lib/middleware/urlNotFound.js",
-{ "title": "Built-in models", "depth": 2 },     
-    "lib/models/access-token.js",
-    "lib/models/acl.js",
-    "lib/models/application.js",
-    "lib/models/email.js",
-    "lib/models/role.js",
-    "lib/models/user.js",
-    "lib/models/change.js"
+{ "title": "Built-in models", "depth": 2 },
+    "common/models/access-token.js",
+    "common/models/acl.js",
+    "common/models/application.js",
+    "common/models/email.js",
+    "common/models/role.js",
+    "common/models/user.js",
+    "common/models/change.js"
   ],
   "assets": "/docs/assets"
 }
diff --git a/lib/models/access-context.js b/lib/access-context.js
similarity index 98%
rename from lib/models/access-context.js
rename to lib/access-context.js
index 2bf03733..ce8457f1 100644
--- a/lib/models/access-context.js
+++ b/lib/access-context.js
@@ -1,5 +1,5 @@
-var loopback = require('../loopback');
-var AccessToken = require('./access-token');
+var loopback = require('./loopback');
+var AccessToken = require('../common/models/access-token');
 var debug = require('debug')('loopback:security:access-context');
 
 /**
@@ -280,7 +280,7 @@ AccessRequest.prototype.exactlyMatches = function(acl) {
  */
 
 AccessRequest.prototype.isAllowed = function() {
-  return this.permission !== require('./acl').ACL.DENY;
+  return this.permission !== require('../common/models/acl').ACL.DENY;
 }
 
 AccessRequest.prototype.debug = function() {
diff --git a/lib/builtin-models.js b/lib/builtin-models.js
new file mode 100644
index 00000000..f2df14c9
--- /dev/null
+++ b/lib/builtin-models.js
@@ -0,0 +1,30 @@
+module.exports = function(loopback) {
+  loopback.Email = require('../common/models/email');
+  loopback.User = require('../common/models/user');
+  loopback.Application = require('../common/models/application');
+  loopback.AccessToken = require('../common/models/access-token');
+  loopback.Role = require('../common/models/role').Role;
+  loopback.RoleMapping = require('../common/models/role').RoleMapping;
+  loopback.ACL = require('../common/models/acl').ACL;
+  loopback.Scope = require('../common/models/acl').Scope;
+  loopback.Change = require('../common/models/change');
+
+  /*!
+   * Automatically attach these models to dataSources
+   */
+
+  var dataSourceTypes = {
+    DB: 'db',
+    MAIL: 'mail'
+  };
+
+  loopback.Email.autoAttach = dataSourceTypes.MAIL;
+  loopback.PersistedModel.autoAttach = dataSourceTypes.DB;
+  loopback.User.autoAttach = dataSourceTypes.DB;
+  loopback.AccessToken.autoAttach = dataSourceTypes.DB;
+  loopback.Role.autoAttach = dataSourceTypes.DB;
+  loopback.RoleMapping.autoAttach = dataSourceTypes.DB;
+  loopback.ACL.autoAttach = dataSourceTypes.DB;
+  loopback.Scope.autoAttach = dataSourceTypes.DB;
+  loopback.Application.autoAttach = dataSourceTypes.DB;
+};
diff --git a/lib/loopback.js b/lib/loopback.js
index 1b8168f7..68578da3 100644
--- a/lib/loopback.js
+++ b/lib/loopback.js
@@ -165,31 +165,4 @@ loopback.template = function (file) {
  * Built in models / services
  */
 
-loopback.Email = require('./models/email');
-loopback.User = require('./models/user');
-loopback.Application = require('./models/application');
-loopback.AccessToken = require('./models/access-token');
-loopback.Role = require('./models/role').Role;
-loopback.RoleMapping = require('./models/role').RoleMapping;
-loopback.ACL = require('./models/acl').ACL;
-loopback.Scope = require('./models/acl').Scope;
-loopback.Change = require('./models/change');
-
-/*!
- * Automatically attach these models to dataSources
- */
-
-var dataSourceTypes = {
-  DB: 'db',
-  MAIL: 'mail'
-};
-
-loopback.Email.autoAttach = dataSourceTypes.MAIL;
-loopback.PersistedModel.autoAttach = dataSourceTypes.DB;
-loopback.User.autoAttach = dataSourceTypes.DB;
-loopback.AccessToken.autoAttach = dataSourceTypes.DB;
-loopback.Role.autoAttach = dataSourceTypes.DB;
-loopback.RoleMapping.autoAttach = dataSourceTypes.DB;
-loopback.ACL.autoAttach = dataSourceTypes.DB;
-loopback.Scope.autoAttach = dataSourceTypes.DB;
-loopback.Application.autoAttach = dataSourceTypes.DB;
+require('./builtin-models')(loopback);
diff --git a/lib/models/model.js b/lib/model.js
similarity index 99%
rename from lib/models/model.js
rename to lib/model.js
index af5581fa..054ba65f 100644
--- a/lib/models/model.js
+++ b/lib/model.js
@@ -1,7 +1,7 @@
 /*!
  * Module Dependencies.
  */
-var registry = require('../registry');
+var registry = require('./registry');
 var assert = require('assert');
 var RemoteObjects = require('strong-remoting');
 var SharedClass = require('strong-remoting').SharedClass;
@@ -250,7 +250,7 @@ Model._ACL = function getACL(ACL) {
   if(_aclModel) {
     return _aclModel;
   }
-  var aclModel = require('./acl').ACL;
+  var aclModel = loopback.ACL;
   _aclModel = registry.getModelByType(aclModel);
   return _aclModel;
 };
@@ -268,7 +268,7 @@ Model._ACL = function getACL(ACL) {
  */
 
 Model.checkAccess = function(token, modelId, sharedMethod, ctx, callback) {
-  var ANONYMOUS = require('./access-token').ANONYMOUS;
+  var ANONYMOUS = loopback.AccessToken.ANONYMOUS;
   token = token || ANONYMOUS;
   var aclModel = Model._ACL();
 
diff --git a/lib/models/index.js b/lib/models/index.js
deleted file mode 100644
index ec204a42..00000000
--- a/lib/models/index.js
+++ /dev/null
@@ -1,12 +0,0 @@
-exports.Model = require('./model');
-exports.Email = require('./email');
-exports.User = require('./user');
-exports.AccessToken = require('./access-token');
-
-exports.Application = require('./application');
-exports.ACL = require('./acl');
-exports.Role = require('./role');
-
-
-
-
diff --git a/lib/models/persisted-model.js b/lib/persisted-model.js
similarity index 99%
rename from lib/models/persisted-model.js
rename to lib/persisted-model.js
index ab55caa7..8b98e71c 100644
--- a/lib/models/persisted-model.js
+++ b/lib/persisted-model.js
@@ -3,7 +3,7 @@
  */
 
 var Model = require('./model');
-var runtime = require('../runtime');
+var runtime = require('./runtime');
 var assert = require('assert');
 var async = require('async');
 
@@ -960,7 +960,7 @@ PersistedModel.enableChangeTracking = function() {
 }
 
 PersistedModel._defineChangeModel = function() {
-  var BaseChangeModel = require('./change');
+  var BaseChangeModel = require('./../common/models/change');
   return this.Change = BaseChangeModel.extend(this.modelName + '-change',
     {},
     {
diff --git a/lib/registry.js b/lib/registry.js
index f7a03a1f..0b859718 100644
--- a/lib/registry.js
+++ b/lib/registry.js
@@ -371,8 +371,8 @@ registry.DataSource = DataSource;
  * @private
  */
 
-registry.Model = require('./models/model');
-registry.PersistedModel = require('./models/persisted-model');
+registry.Model = require('./model');
+registry.PersistedModel = require('./persisted-model');
 
 // temporary alias to simplify migration of code based on <=2.0.0-beta3
 Object.defineProperty(registry, 'DataModel', {
diff --git a/test/acl.test.js b/test/acl.test.js
index ba97dda9..eb37a74f 100644
--- a/test/acl.test.js
+++ b/test/acl.test.js
@@ -1,11 +1,9 @@
 var assert = require('assert');
 var loopback = require('../index');
-var acl = require('../lib/models/acl');
-var Scope = acl.Scope;
-var ACL = acl.ACL;
-var role = require('../lib/models/role');
-var Role = role.Role;
-var RoleMapping = role.RoleMapping;
+var Scope = loopback.Scope;
+var ACL = loopback.ACL;
+var Role = loopback.Role;
+var RoleMapping = loopback.RoleMapping;
 var User = loopback.User;
 var testModel;
 
diff --git a/test/checkpoint.test.js b/test/checkpoint.test.js
index 53a9a988..c999729f 100644
--- a/test/checkpoint.test.js
+++ b/test/checkpoint.test.js
@@ -2,7 +2,7 @@ var async = require('async');
 var loopback = require('../');
 
 // create a unique Checkpoint model
-var Checkpoint = require('../lib/models/checkpoint').extend('TestCheckpoint');
+var Checkpoint = require('../common/models/checkpoint').extend('TestCheckpoint');
 Checkpoint.attachTo(loopback.memory());
 
 describe('Checkpoint', function() {
diff --git a/test/role.test.js b/test/role.test.js
index 9252743e..7e02f7ab 100644
--- a/test/role.test.js
+++ b/test/role.test.js
@@ -1,10 +1,9 @@
 var assert = require('assert');
 var loopback = require('../index');
-var role = require('../lib/models/role');
-var Role = role.Role;
-var RoleMapping = role.RoleMapping;
+var Role = loopback.Role;
+var RoleMapping = loopback.RoleMapping;
 var User = loopback.User;
-var ACL = require('../lib/models/acl');
+var ACL = loopback.ACL;
 
 function checkResult(err, result) {
   // console.log(err, result);