diff --git a/src/OptionalCommand/Jackalope/InitDoctrineDbalCommand.php b/src/OptionalCommand/Jackalope/InitDoctrineDbalCommand.php
index 25ab2a60..e53c4930 100644
--- a/src/OptionalCommand/Jackalope/InitDoctrineDbalCommand.php
+++ b/src/OptionalCommand/Jackalope/InitDoctrineDbalCommand.php
@@ -4,16 +4,15 @@
 
 use Doctrine\Bundle\PHPCRBundle\Command\DoctrineCommandHelper;
 use Jackalope\Tools\Console\Command\InitDoctrineDbalCommand as BaseInitDoctrineDbalCommand;
-use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 
+/**
+ * Wrapper to use this command in the symfony console with multiple sessions.
+ */
 class InitDoctrineDbalCommand extends BaseInitDoctrineDbalCommand
 {
-    /**
-     * @see Command
-     */
     protected function configure(): void
     {
         parent::configure();
@@ -24,9 +23,6 @@ protected function configure(): void
         ;
     }
 
-    /**
-     * @see Command
-     */
     protected function execute(InputInterface $input, OutputInterface $output): int
     {
         $application = $this->getApplication();
diff --git a/src/OptionalCommand/Jackalope/JackrabbitCommand.php b/src/OptionalCommand/Jackalope/JackrabbitCommand.php
index 3ac5e7c1..2c8292ab 100644
--- a/src/OptionalCommand/Jackalope/JackrabbitCommand.php
+++ b/src/OptionalCommand/Jackalope/JackrabbitCommand.php
@@ -9,6 +9,8 @@
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
+ * Wrapper to use this command in the symfony console with multiple sessions.
+ *
  * @author Daniel Barsotti <daniel.barsotti@liip.ch>
  */
 class JackrabbitCommand extends BaseJackrabbitCommand implements ContainerAwareInterface
@@ -30,17 +32,11 @@ protected function getContainer()
         return $this->container;
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function setContainer(ContainerInterface $container = null)
     {
         $this->container = $container;
     }
 
-    /**
-     * {@inheritdoc}
-     */
     protected function configure(): void
     {
         parent::configure();
@@ -59,9 +55,6 @@ protected function configure(): void
         ;
     }
 
-    /**
-     * {@inheritdoc}
-     */
     protected function execute(InputInterface $input, OutputInterface $output): int
     {
         if ($this->getContainer()->hasParameter('doctrine_phpcr.jackrabbit_jar')) {
diff --git a/src/OptionalCommand/ODM/DocumentConvertTranslationCommand.php b/src/OptionalCommand/ODM/DocumentConvertTranslationCommand.php
index 243cc8d7..66e07da5 100644
--- a/src/OptionalCommand/ODM/DocumentConvertTranslationCommand.php
+++ b/src/OptionalCommand/ODM/DocumentConvertTranslationCommand.php
@@ -9,16 +9,13 @@
 use Symfony\Component\Console\Output\OutputInterface;
 
 /**
- * Integrate command into symfony.
+ * Wrapper to use this command in the symfony console with multiple sessions.
  *
  * @author David Buchmann <mail@davidbu.ch>
  */
 class DocumentConvertTranslationCommand extends BaseDocumentConvertTranslationCommand
 {
-    /**
-     * {@inheritdoc}
-     */
-    protected function configure()
+    protected function configure(): void
     {
         parent::configure();
 
@@ -34,10 +31,7 @@ protected function configure()
             );
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         DoctrineCommandHelper::setApplicationDocumentManager(
             $this->getApplication(),
diff --git a/src/OptionalCommand/ODM/DocumentMigrateClassCommand.php b/src/OptionalCommand/ODM/DocumentMigrateClassCommand.php
index b9f3988a..da1a9a5e 100644
--- a/src/OptionalCommand/ODM/DocumentMigrateClassCommand.php
+++ b/src/OptionalCommand/ODM/DocumentMigrateClassCommand.php
@@ -13,20 +13,14 @@
  */
 class DocumentMigrateClassCommand extends BaseDocumentMigrateClassCommand
 {
-    /**
-     * {@inheritdoc}
-     */
-    protected function configure()
+    protected function configure(): void
     {
         parent::configure();
 
         $this->addOption('dm', null, InputOption::VALUE_REQUIRED, 'The document manager to use for this command');
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         $dmName = $input->getOption('dm'); // defaults to null
         DoctrineCommandHelper::setApplicationDocumentManager(
diff --git a/src/OptionalCommand/ODM/InfoDoctrineCommand.php b/src/OptionalCommand/ODM/InfoDoctrineCommand.php
index ccde7816..5cef0f56 100644
--- a/src/OptionalCommand/ODM/InfoDoctrineCommand.php
+++ b/src/OptionalCommand/ODM/InfoDoctrineCommand.php
@@ -9,16 +9,13 @@
 use Symfony\Component\Console\Output\OutputInterface;
 
 /**
- * Show information about mapped entities.
+ * Wrapper to use this command in the symfony console with multiple sessions.
  *
  * @author Lukas Kahwe Smith <smith@pooteeweet.org>
  */
 class InfoDoctrineCommand extends BaseInfoDoctrineCommand
 {
-    /**
-     * {@inheritdoc}
-     */
-    protected function configure()
+    protected function configure(): void
     {
         parent::configure();
 
@@ -34,10 +31,7 @@ protected function configure()
             );
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         DoctrineCommandHelper::setApplicationDocumentManager(
             $this->getApplication(),
diff --git a/src/OptionalCommand/ODM/VerifyUniqueNodeTypesMappingCommand.php b/src/OptionalCommand/ODM/VerifyUniqueNodeTypesMappingCommand.php
index a980a569..aa5ce677 100644
--- a/src/OptionalCommand/ODM/VerifyUniqueNodeTypesMappingCommand.php
+++ b/src/OptionalCommand/ODM/VerifyUniqueNodeTypesMappingCommand.php
@@ -13,10 +13,7 @@
  */
 class VerifyUniqueNodeTypesMappingCommand extends BaseVerifyUniqueNodeTypesMappingCommand
 {
-    /**
-     * {@inheritdoc}
-     */
-    protected function configure()
+    protected function configure(): void
     {
         parent::configure();
 
@@ -31,10 +28,7 @@ protected function configure()
             );
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         DoctrineCommandHelper::setApplicationDocumentManager(
             $this->getApplication(),