diff --git a/ConnectionFactory.php b/ConnectionFactory.php
index a2a41380d..a30c3f77c 100644
--- a/ConnectionFactory.php
+++ b/ConnectionFactory.php
@@ -84,6 +84,11 @@ private function initializeTypes()
                 Type::addType($type, $typeConfig['class']);
             }
             if ($typeConfig['commented']) {
+                @trigger_error(
+                    'The commented option of the type configuration is deprecated since DoctrineBundle 1.7.' .
+                    'Use the feature of the Type class Instead',
+                    E_USER_DEPRECATED
+                );
                 $this->commentedTypes[] = $type;
             }
         }
diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index 12365fd10..a3c653984 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -97,7 +97,7 @@ private function addDbalSection(ArrayNodeDefinition $node)
                             ->end()
                             ->children()
                                 ->scalarNode('class')->isRequired()->end()
-                                ->booleanNode('commented')->defaultTrue()->end()
+                                ->booleanNode('commented')->defaultFalse()->end()
                             ->end()
                         ->end()
                     ->end()
diff --git a/Tests/DependencyInjection/AbstractDoctrineExtensionTest.php b/Tests/DependencyInjection/AbstractDoctrineExtensionTest.php
index 93d9a12a2..fb0a86762 100644
--- a/Tests/DependencyInjection/AbstractDoctrineExtensionTest.php
+++ b/Tests/DependencyInjection/AbstractDoctrineExtensionTest.php
@@ -531,7 +531,7 @@ public function testSetTypes()
         $container = $this->loadContainer('dbal_types');
 
         $this->assertEquals(
-            array('test' => array('class' => TestType::class, 'commented' => true)),
+            array('test' => array('class' => TestType::class, 'commented' => false)),
             $container->getParameter('doctrine.dbal.connection_factory.types')
         );
         $this->assertEquals('%doctrine.dbal.connection_factory.types%', $container->getDefinition('doctrine.dbal.connection_factory')->getArgument(0));