diff --git a/app/config/services.yml b/app/config/services.yml
index a99355569..75d07f552 100644
--- a/app/config/services.yml
+++ b/app/config/services.yml
@@ -28,11 +28,6 @@ services:
         tags:
             - { name: kernel.event_listener, event: kernel.request, method: onKernelRequest }
 
-    app.form.type.datetimepicker:
-        class: AppBundle\Form\Type\DateTimePickerType
-        tags:
-            - { name: form.type, alias: app_datetimepicker }
-
     # Uncomment the following lines to define a service for the Post Doctrine repository.
     # It's not mandatory to create these services, but if you use repositories a lot,
     # these services simplify your code:
diff --git a/src/AppBundle/Controller/Admin/BlogController.php b/src/AppBundle/Controller/Admin/BlogController.php
index 61a0f94a4..b2be81c3a 100644
--- a/src/AppBundle/Controller/Admin/BlogController.php
+++ b/src/AppBundle/Controller/Admin/BlogController.php
@@ -74,8 +74,8 @@ public function newAction(Request $request)
         $post->setAuthorEmail($this->getUser()->getEmail());
 
         // See http://symfony.com/doc/current/book/forms.html#submitting-forms-with-multiple-buttons
-        $form = $this->createForm(new PostType(), $post)
-            ->add('saveAndCreateNew', 'submit');
+        $form = $this->createForm('AppBundle\Form\PostType', $post)
+            ->add('saveAndCreateNew', 'Symfony\Component\Form\Extension\Core\Type\SubmitType');
 
         $form->handleRequest($request);
 
@@ -146,7 +146,7 @@ public function editAction(Post $post, Request $request)
 
         $entityManager = $this->getDoctrine()->getManager();
 
-        $editForm = $this->createForm(new PostType(), $post);
+        $editForm = $this->createForm('AppBundle\Form\PostType', $post);
         $deleteForm = $this->createDeleteForm($post);
 
         $editForm->handleRequest($request);
diff --git a/src/AppBundle/Controller/BlogController.php b/src/AppBundle/Controller/BlogController.php
index 670662b41..826c2c8b6 100644
--- a/src/AppBundle/Controller/BlogController.php
+++ b/src/AppBundle/Controller/BlogController.php
@@ -74,7 +74,7 @@ public function postShowAction(Post $post)
      */
     public function commentNewAction(Request $request, Post $post)
     {
-        $form = $this->createForm(new CommentType());
+        $form = $this->createForm('AppBundle\Form\CommentType');
 
         $form->handleRequest($request);
 
@@ -111,7 +111,7 @@ public function commentNewAction(Request $request, Post $post)
      */
     public function commentFormAction(Post $post)
     {
-        $form = $this->createForm(new CommentType());
+        $form = $this->createForm('AppBundle\Form\CommentType');
 
         return $this->render('blog/_comment_form.html.twig', array(
             'post' => $post,
diff --git a/src/AppBundle/Form/CommentType.php b/src/AppBundle/Form/CommentType.php
index 486acb4dc..7007aa6bb 100644
--- a/src/AppBundle/Form/CommentType.php
+++ b/src/AppBundle/Form/CommentType.php
@@ -52,14 +52,4 @@ public function configureOptions(OptionsResolver $resolver)
             'data_class' => 'AppBundle\Entity\Comment',
         ));
     }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function getName()
-    {
-        // Best Practice: use 'app_' as the prefix of your custom form types names
-        // see http://symfony.com/doc/current/best_practices/forms.html#custom-form-field-types
-        return 'app_comment';
-    }
 }
diff --git a/src/AppBundle/Form/PostType.php b/src/AppBundle/Form/PostType.php
index 9895a74d8..084bdb77a 100644
--- a/src/AppBundle/Form/PostType.php
+++ b/src/AppBundle/Form/PostType.php
@@ -43,13 +43,13 @@ public function buildForm(FormBuilderInterface $builder, array $options)
                 'attr' => array('autofocus' => true),
                 'label' => 'label.title',
             ))
-            ->add('summary', 'textarea', array('label' => 'label.summary'))
-            ->add('content', 'textarea', array(
+            ->add('summary', 'Symfony\Component\Form\Extension\Core\Type\TextareaType', array('label' => 'label.summary'))
+            ->add('content', null, array(
                 'attr' => array('rows' => 20),
                 'label' => 'label.content',
             ))
-            ->add('authorEmail', 'email', array('label' => 'label.author_email'))
-            ->add('publishedAt', 'app_datetimepicker', array(
+            ->add('authorEmail', null, array('label' => 'label.author_email'))
+            ->add('publishedAt', 'AppBundle\Form\Type\DateTimePickerType', array(
                 'label' => 'label.published_at',
             ))
         ;
@@ -64,14 +64,4 @@ public function configureOptions(OptionsResolver $resolver)
             'data_class' => 'AppBundle\Entity\Post',
         ));
     }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function getName()
-    {
-        // Best Practice: use 'app_' as the prefix of your custom form types names
-        // see http://symfony.com/doc/current/best_practices/forms.html#custom-form-field-types
-        return 'app_post';
-    }
 }
diff --git a/src/AppBundle/Form/Type/DateTimePickerType.php b/src/AppBundle/Form/Type/DateTimePickerType.php
index 464bad971..0a480f8b4 100644
--- a/src/AppBundle/Form/Type/DateTimePickerType.php
+++ b/src/AppBundle/Form/Type/DateTimePickerType.php
@@ -60,14 +60,6 @@ public function configureOptions(OptionsResolver $resolver)
      */
     public function getParent()
     {
-        return 'datetime';
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function getName()
-    {
-        return 'app_datetimepicker';
+        return 'Symfony\Component\Form\Extension\Core\Type\DateTimeType';
     }
 }