diff --git a/composer.json b/composer.json
index 320b59405..795823415 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,6 @@
         "doctrine/collections": "~1.2",
         "gitonomy/gitlib": "^1.0.3",
         "monolog/monolog": "~1.16",
-        "ocramius/proxy-manager": "~0.4|~1.0|~2.0",
         "seld/jsonlint": "~1.1",
         "symfony/config": "~2.7|~3.0|~4.0",
         "symfony/console": "~2.7|~3.0|~4.0",
@@ -20,7 +19,6 @@
         "symfony/finder": "~2.7|~3.0|~4.0",
         "symfony/options-resolver": "~2.7|~3.0|~4.0",
         "symfony/process": "~2.7|~3.0|~4.0",
-        "symfony/proxy-manager-bridge": "~2.7|~3.0|~4.0",
         "symfony/yaml": "~2.7|~3.0|~4.0"
     },
     "require-dev": {
diff --git a/resources/config/services.yml b/resources/config/services.yml
index 0b088affe..d90acd050 100644
--- a/resources/config/services.yml
+++ b/resources/config/services.yml
@@ -79,7 +79,6 @@ services:
 
     grumphp.io.console:
         class: GrumPHP\IO\ConsoleIO
-        lazy: true
         arguments:
           - '@console.input'
           - '@console.output'
diff --git a/src/Configuration/ContainerFactory.php b/src/Configuration/ContainerFactory.php
index 9bc1307db..66d032045 100644
--- a/src/Configuration/ContainerFactory.php
+++ b/src/Configuration/ContainerFactory.php
@@ -3,7 +3,6 @@
 namespace GrumPHP\Configuration;
 
 use GrumPHP\Util\Filesystem;
-use Symfony\Bridge\ProxyManager\LazyProxy\Instantiator\RuntimeInstantiator;
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
@@ -19,7 +18,6 @@ final class ContainerFactory
     public static function buildFromConfiguration($path)
     {
         $container = new ContainerBuilder();
-        $container->setProxyInstantiator(new RuntimeInstantiator());
 
         // Add compiler passes:
         $container->addCompilerPass(new Compiler\ExtensionCompilerPass());
diff --git a/src/Console/Application.php b/src/Console/Application.php
index 4c9ff317e..99ac883c0 100644
--- a/src/Console/Application.php
+++ b/src/Console/Application.php
@@ -161,14 +161,14 @@ protected function getContainer()
      */
     protected function configureIO(InputInterface $input, OutputInterface $output)
     {
-        parent::configureIO($input, $output);
-
         $container = $this->getContainer();
 
         // Register the console input and output to the container
         $container->set('console.input', $input);
         $container->set('console.output', $output);
 
+        parent::configureIO($input, $output);
+
         // Redirect the GrumPHP logger to the stdout in verbose mode
         /** @var IOInterface $io */
         $io = $container->get('grumphp.io.console');