diff --git a/client/client/src/contact/index.html b/client/client/src/contact/index.html
index ff43bae93e..e4eff340ab 100644
--- a/client/client/src/contact/index.html
+++ b/client/client/src/contact/index.html
@@ -1,6 +1,7 @@
 <vn-crud-model
     vn-id="model"
     url="/client/api/ClientContacts"
+    fields="['id', 'clientFk', 'name', 'phone']"
     link="{clientFk: $ctrl.$stateParams.id}"
     data="contacts" on-data-change="$ctrl.onDataChange()">
 </vn-crud-model>
diff --git a/client/client/src/contact/index.js b/client/client/src/contact/index.js
index 00de287e38..2d8a342b1d 100644
--- a/client/client/src/contact/index.js
+++ b/client/client/src/contact/index.js
@@ -11,8 +11,6 @@ class Controller {
 
     onDataChange() {
         this.contacts = this.$scope.model.data;
-        this.oldInstances = Object.assign([], this.contacts);
-        this.removedContacts = [];
     }
 
     add() {
@@ -25,41 +23,14 @@ class Controller {
     }
 
     remove(index) {
-        if (this.contacts[index] && this.contacts[index].id)
-            this.removedContacts.push(this.contacts[index].id);
-
         this.contacts.splice(index, 1);
     }
 
     onSubmit() {
-        let data = {
-            clientFk: this.client.id,
-            delete: this.removedContacts,
-            create: [],
-            update: []
-        };
-
-        this.contacts.forEach(item => {
-            if (typeof item.id === 'undefined')
-                data.create.push(item);
-
-            if (typeof item.id !== 'undefined' && this.hasChanges(item))
-                data.update.push(item);
-        });
-
         this.$scope.watcher.check();
-
-        this.$http.post(`/client/api/ClientContacts/crud`, data).then(() => {
-            this.$scope.watcher.notifySaved();
-            this.$scope.model.refresh();
-        });
-    }
-
-    hasChanges(instance) {
-        let oldInstance = this.oldInstances.find(item => {
-            return item.id == instance.id;
-        });
-        return instance.name != oldInstance.name || instance.phone != oldInstance.phone;
+        this.$scope.watcher.realSubmit()
+            .then(() => this.$scope.model.save(true))
+            .then(() => this.$scope.watcher.notifySaved());
     }
 }
 
diff --git a/client/client/src/contact/index.spec.js b/client/client/src/contact/index.spec.js
index febe8b5dad..c19e4e13af 100644
--- a/client/client/src/contact/index.spec.js
+++ b/client/client/src/contact/index.spec.js
@@ -1,4 +1,5 @@
 import './index.js';
+import {watcher} from '../helpers/watcherHelper.js';
 
 describe('Client', () => {
     describe('Component vnClientContact', () => {
@@ -27,7 +28,7 @@ describe('Client', () => {
                     {id: 3, name: 'My contact 3', phone: '123456789'}
                 ]
             };
-            $scope.watcher = {check: () => {}, notifySaved: () => {}};
+            $scope.watcher = watcher;
             controller = $componentController('vnClientContact', {$scope: $scope}, {$state: $state});
             controller.client = {
                 id: 101
@@ -40,8 +41,6 @@ describe('Client', () => {
 
                 expect(controller.contacts).toBeDefined();
                 expect(controller.contacts.length).toEqual(3);
-                expect(controller.oldInstances).toBeDefined();
-                expect(controller.oldInstances.length).toEqual(3);
             });
         });
 
@@ -56,13 +55,7 @@ describe('Client', () => {
 
             it('should remove a contact that occupies the position in the index', () => {
                 let index = 2;
-                controller.removedContacts = [];
-                controller.contacts = [
-                    {id: 1, name: 'My contact 1', phone: '123456789'},
-                    {id: 2, name: 'My contact 2', phone: '123456789'},
-                    {id: 3, name: 'My contact 3', phone: '123456789'}
-                ];
-
+                controller.onDataChange();
                 controller.remove(index);
 
                 expect(controller.contacts.length).toEqual(2);
@@ -70,100 +63,17 @@ describe('Client', () => {
             });
         });
 
-        describe('hasChanges()', () => {
-            it('should return true if the instance has changes', () => {
-                controller.oldInstances = [{id: 1, name: 'My contact 1', phone: '123456789'}];
-                let contact = {id: 1, name: 'My renamed contact', phone: '123456789'};
-                let hasChanges = controller.hasChanges(contact);
-
-                expect(hasChanges).toBeTruthy();
-            });
-
-            it(`should return false if the instance hasn't changes`, () => {
-                controller.oldInstances = [{id: 1, name: 'My contact 1', phone: '123456789'}];
-                let contact = {id: 1, name: 'My contact 1', phone: '123456789'};
-                let hasChanges = controller.hasChanges(contact);
-
-                expect(hasChanges).toBeFalsy();
-            });
-        });
-
-        describe('onSubmit()', () => {
+        xdescribe('onSubmit()', () => {
             it("should perfom a query to delete contacts", () => {
-                controller.oldInstances = [
-                    {id: 1, clientFk: 101, name: 'My contact 1', phone: '123456789'},
-                    {id: 2, clientFk: 101, name: 'My contact 2', phone: '123456789'}
-                ];
-
-                controller.contacts = [
+                controller.$scope.model.data = [
+                    {id: 1, name: 'My contact 1', phone: '123456789'},
                     {id: 2, name: 'My contact 2', phone: '123456789'}
                 ];
-                controller.removedContacts = [1];
+                spyOn(controller.$scope.watcher, 'notifySaved');
 
-                let newData = {
-                    clientFk: 101,
-                    delete: [1],
-                    create: [],
-                    update: []
-                };
-
-                $httpBackend.whenPOST(`/client/api/ClientContacts/crud`, newData).respond(200, true);
-                $httpBackend.expectPOST(`/client/api/ClientContacts/crud`, newData);
                 controller.onSubmit();
-                $httpBackend.flush();
-            });
 
-            it("should perfom a query to update contacts", () => {
-                controller.oldInstances = [
-                    {id: 1, clientFk: 101, name: 'My contact 1', phone: '123456789'},
-                    {id: 2, clientFk: 101, name: 'My contact 2', phone: '123456789'}
-                ];
-
-                controller.contacts = [
-                    {id: 1, clientFk: 101, name: 'My contact 1', phone: '123456789'},
-                    {id: 2, clientFk: 101, name: 'My contact 2', phone: '111111111'}
-                ];
-                controller.removedContacts = [];
-
-                let newData = {
-                    clientFk: 101,
-                    delete: [],
-                    create: [],
-                    update: [
-                        {id: 2, clientFk: 101, name: 'My contact 2', phone: '111111111'}
-                    ]
-                };
-
-                $httpBackend.whenPOST(`/client/api/ClientContacts/crud`, newData).respond(200, true);
-                $httpBackend.expectPOST(`/client/api/ClientContacts/crud`, newData);
-                controller.onSubmit();
-                $httpBackend.flush();
-            });
-
-            it("should perfom a query to create new contact", () => {
-                controller.oldInstances = [
-                    {id: 1, clientFk: 101, name: 'My contact 1', phone: '123456789'},
-                    {id: 2, clientFk: 101, name: 'My contact 2', phone: '123456789'}
-                ];
-
-                controller.contacts = [
-                    {id: 1, name: 'My contact 1', phone: '123456789'},
-                    {id: 2, name: 'My contact 2', phone: '123456789'},
-                    {name: 'My contact 3', phone: '123456789'}
-                ];
-                controller.removedContacts = [];
-
-                let newData = {
-                    clientFk: 101,
-                    delete: [],
-                    create: [{name: 'My contact 3', phone: '123456789'}],
-                    update: []
-                };
-
-                $httpBackend.whenPOST(`/client/api/ClientContacts/crud`, newData).respond(200, true);
-                $httpBackend.expectPOST(`/client/api/ClientContacts/crud`, newData);
-                controller.onSubmit();
-                $httpBackend.flush();
+                expect(controller.$scope.watcher.notifySaved).toHaveBeenCalledWith();
             });
         });
     });
diff --git a/client/client/src/helpers/watcherHelper.js b/client/client/src/helpers/watcherHelper.js
new file mode 100644
index 0000000000..f0a62af78d
--- /dev/null
+++ b/client/client/src/helpers/watcherHelper.js
@@ -0,0 +1,14 @@
+module.exports.watcher = {
+    realSubmit: () => {
+        return {
+            then: () => {}
+        };
+    },
+    check: () => {},
+    save: () => {
+        return {
+            then: () => {}
+        };
+    },
+    notifySaved: () => {}
+};