diff --git a/Command/GraphQLDumpSchemaCommand.php b/Command/GraphQLDumpSchemaCommand.php
index 75c628706..9bb40d7fe 100644
--- a/Command/GraphQLDumpSchemaCommand.php
+++ b/Command/GraphQLDumpSchemaCommand.php
@@ -12,25 +12,20 @@
 use Symfony\Component\Console\Style\SymfonyStyle;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
-class GraphQLDumpSchemaCommand extends Command
+final class GraphQLDumpSchemaCommand extends Command
 {
     /** @var ContainerInterface */
     private $container;
 
-    /** @var string */
-    private $relayVersion;
-
     /** @var string */
     private $baseExportPath;
 
     public function __construct(
         ContainerInterface $container,
-        $relayVersion,
         $baseExportPath
     ) {
         parent::__construct();
         $this->container = $container;
-        $this->relayVersion = $relayVersion;
         $this->baseExportPath = $baseExportPath;
     }
 
@@ -126,12 +121,7 @@ private function useModernJsonFormat(InputInterface $input)
             throw new \InvalidArgumentException('"modern" and "classic" options should not be used together.');
         }
 
-        // none chosen so fallback on default behavior
-        if (!$modern && !$classic) {
-            return 'modern' === $this->relayVersion;
-        }
-
-        return $modern;
+        return true === $modern;
     }
 
     /**
diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index 1da92136f..4cb70f409 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -177,12 +177,6 @@ public function getConfigTreeBuilder()
                         ->booleanNode('handle_cors')->defaultFalse()->end()
                     ->end()
                 ->end()
-                ->arrayNode('versions')
-                    ->addDefaultsIfNotSet()
-                    ->children()
-                        ->enumNode('relay')->values(['modern', 'classic'])->defaultValue('classic')->end()
-                    ->end()
-                ->end()
             ->end();
 
         return $treeBuilder;
diff --git a/DependencyInjection/OverblogGraphQLExtension.php b/DependencyInjection/OverblogGraphQLExtension.php
index fcc4c9e76..5704573ba 100644
--- a/DependencyInjection/OverblogGraphQLExtension.php
+++ b/DependencyInjection/OverblogGraphQLExtension.php
@@ -35,7 +35,6 @@ public function load(array $configs, ContainerBuilder $container)
         $this->setErrorHandlerArguments($config, $container);
         $this->setSecurity($config, $container);
         $this->setConfigBuilders($config, $container);
-        $this->setVersions($config, $container);
         $this->setShowDebug($config, $container);
         $this->setDefinitionParameters($config, $container);
         $this->setClassLoaderListener($config, $container);
@@ -123,13 +122,6 @@ private function setShowDebug(array $config, ContainerBuilder $container)
         $container->getDefinition($this->getAlias().'.request_executor')->replaceArgument(4, $config['definitions']['show_debug_info']);
     }
 
-    private function setVersions(array $config, ContainerBuilder $container)
-    {
-        foreach ($config['versions'] as $key => $version) {
-            $container->setParameter(sprintf('%s.versions.%s', $this->getAlias(), $key), $version);
-        }
-    }
-
     private function setConfigBuilders(array $config, ContainerBuilder $container)
     {
         $useObjectToAddResource = method_exists($container, 'addObjectResource');
diff --git a/Resources/config/services.yml b/Resources/config/services.yml
index ae70602a8..b0d6a640d 100644
--- a/Resources/config/services.yml
+++ b/Resources/config/services.yml
@@ -138,7 +138,6 @@ services:
             # is instanced before ClassLoaderEvent. This issues is fix in Symfony 3.4 introducing lazy commands
             # see https://symfony.com/blog/new-in-symfony-3-4-lazy-commands
             - '@service_container'
-            - "%overblog_graphql.versions.relay%"
             - "%kernel.root_dir%"
         tags:
             - { name: console.command }
diff --git a/UPGRADE-0.11.md b/UPGRADE-0.11.md
index 3b8a4c835..fbeccf796 100644
--- a/UPGRADE-0.11.md
+++ b/UPGRADE-0.11.md
@@ -16,3 +16,27 @@ UPGRADE FROM 0.10 to 0.11
    - Installing OverblogGraphiQLBundle
      - `composer require --dev overblog/graphiql-bundle`
      - Follow instructions at https://github.com/overblog/GraphiQLBundle
+   - In case you have defined the `versions` in your configuration
+     - Remove it from `overblog_graphql`
+         ```diff
+         overblog_graphql:
+         -    versions:
+         -        graphiql: "0.11"
+         -        react: "15.6"
+         -        fetch: "2.0"
+         -        relay: "classic"
+         ```
+     - Add it to `overblog_graphiql`
+         ```diff
+         overblog_graphiql:
+         +    javascript_libraries:
+         +        graphiql: "0.11"
+         +        react: "15.6"
+         +        fetch: "2.0"
+        ```
+     - If you were using the `graphql:dump-schema` and depending on the `relay`
+     version as in the previous configuration, now you have to explicitly choose
+     for a format during the command:
+        ```
+        bin/console graphql:dump-schema --modern
+        ```