diff --git a/src/Symfony/Component/DependencyInjection/Container.php b/src/Symfony/Component/DependencyInjection/Container.php
index 450e2e33ed..603c560fbb 100644
--- a/src/Symfony/Component/DependencyInjection/Container.php
+++ b/src/Symfony/Component/DependencyInjection/Container.php
@@ -20,6 +20,7 @@ use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;
 use Symfony\Component\DependencyInjection\ParameterBag\EnvPlaceholderParameterBag;
 use Symfony\Component\DependencyInjection\ParameterBag\FrozenParameterBag;
 use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
+use Symfony\Contracts\Service\ResetInterface;
 
 /**
  * Container is a dependency injection container.
@@ -42,6 +43,7 @@ class Container implements ResettableContainerInterface
 {
     protected $parameterBag;
     protected $services = array();
+    protected $privates = array();
     protected $fileMap = array();
     protected $methodMap = array();
     protected $factories = array();
@@ -301,7 +303,18 @@ class Container implements ResettableContainerInterface
      */
     public function reset()
     {
-        $this->services = $this->factories = array();
+        $services = $this->services + $this->privates;
+        $this->services = $this->factories = $this->privates = array();
+
+        foreach ($services as $service) {
+            try {
+                if ($service instanceof ResetInterface) {
+                    $service->reset();
+                }
+            } catch (\Throwable $e) {
+                continue;
+            }
+        }
     }
 
     /**
diff --git a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
index 2e7a40285f..de426d6e54 100644
--- a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
+++ b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
@@ -960,11 +960,6 @@ class $class extends $baseClass
     private \$parameters;
     private \$targetDirs = array();
 
-    /*{$this->docStar}
-     * @internal but protected for BC on cache:clear
-     */
-    protected \$privates = array();
-
     public function __construct()
     {
 
@@ -1011,12 +1006,6 @@ EOF;
         $code .= <<<EOF
     }
 
-    public function reset()
-    {
-        \$this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/ContainerTest.php b/src/Symfony/Component/DependencyInjection/Tests/ContainerTest.php
index af5fa0c680..ce0f6d101c 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/ContainerTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/ContainerTest.php
@@ -17,6 +17,7 @@ use Symfony\Component\DependencyInjection\Container;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\DependencyInjection\ParameterBag\FrozenParameterBag;
 use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
+use Symfony\Contracts\Service\ResetInterface;
 
 class ContainerTest extends TestCase
 {
@@ -317,11 +318,19 @@ class ContainerTest extends TestCase
     public function testReset()
     {
         $c = new Container();
-        $c->set('bar', new \stdClass());
+        $c->set('bar', $bar = new class() implements ResetInterface {
+            public $resetCounter = 0;
+
+            public function reset()
+            {
+                ++$this->resetCounter;
+            }
+        });
 
         $c->reset();
 
         $this->assertNull($c->get('bar', ContainerInterface::NULL_ON_INVALID_REFERENCE));
+        $this->assertSame(1, $bar->resetCounter);
     }
 
     /**
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_constructor_without_arguments.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_constructor_without_arguments.php
index a6b9962b3d..73f1bfd475 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_constructor_without_arguments.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_constructor_without_arguments.php
@@ -21,11 +21,6 @@ class ProjectServiceContainer extends \Symfony\Component\DependencyInjection\Tes
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         parent::__construct();
@@ -36,12 +31,6 @@ class ProjectServiceContainer extends \Symfony\Component\DependencyInjection\Tes
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_with_mandatory_constructor_arguments.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_with_mandatory_constructor_arguments.php
index e513fd7219..67d00b7618 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_with_mandatory_constructor_arguments.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_with_mandatory_constructor_arguments.php
@@ -21,11 +21,6 @@ class ProjectServiceContainer extends \Symfony\Component\DependencyInjection\Tes
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -33,12 +28,6 @@ class ProjectServiceContainer extends \Symfony\Component\DependencyInjection\Tes
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_with_optional_constructor_arguments.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_with_optional_constructor_arguments.php
index 84986f1638..770b478e48 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_with_optional_constructor_arguments.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_with_optional_constructor_arguments.php
@@ -21,11 +21,6 @@ class ProjectServiceContainer extends \Symfony\Component\DependencyInjection\Tes
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         parent::__construct();
@@ -36,12 +31,6 @@ class ProjectServiceContainer extends \Symfony\Component\DependencyInjection\Tes
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_without_constructor.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_without_constructor.php
index 0a4975b7da..23a361ff11 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_without_constructor.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_without_constructor.php
@@ -21,11 +21,6 @@ class ProjectServiceContainer extends \Symfony\Component\DependencyInjection\Tes
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -33,12 +28,6 @@ class ProjectServiceContainer extends \Symfony\Component\DependencyInjection\Tes
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1-1.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1-1.php
index a04d80affc..a03fa75674 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1-1.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1-1.php
@@ -21,11 +21,6 @@ class Container extends \Symfony\Component\DependencyInjection\Dump\AbstractCont
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -33,12 +28,6 @@ class Container extends \Symfony\Component\DependencyInjection\Dump\AbstractCont
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1.php
index f25c59b815..c6ac23dd82 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -31,12 +26,6 @@ class ProjectServiceContainer extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services10.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services10.php
index 31c4475ec7..0ede68b20d 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services10.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services10.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->parameters = $this->getDefaultParameters();
@@ -36,12 +31,6 @@ class ProjectServiceContainer extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services12.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services12.php
index d4f872f944..1ec6a194e6 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services12.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services12.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $dir = __DIR__;
@@ -40,12 +35,6 @@ class ProjectServiceContainer extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services13.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services13.php
index 8c90280d27..8eaac031bf 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services13.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services13.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -34,12 +29,6 @@ class ProjectServiceContainer extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services19.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services19.php
index 673c9d54bb..8bb9c72e33 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services19.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services19.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -35,12 +30,6 @@ class ProjectServiceContainer extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services24.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services24.php
index 090a77dd3c..d8072f822a 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services24.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services24.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -34,12 +29,6 @@ class ProjectServiceContainer extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services26.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services26.php
index f6e8d69184..0675c4a989 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services26.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services26.php
@@ -19,11 +19,6 @@ class Symfony_DI_PhpDumper_Test_EnvParameters extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $dir = __DIR__;
@@ -41,12 +36,6 @@ class Symfony_DI_PhpDumper_Test_EnvParameters extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services33.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services33.php
index 1c70b0ee8d..72cb664cbb 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services33.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services33.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -35,12 +30,6 @@ class ProjectServiceContainer extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services8.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services8.php
index eeeb37a072..6b3d3432a1 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services8.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services8.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->parameters = $this->getDefaultParameters();
@@ -33,12 +28,6 @@ class ProjectServiceContainer extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_as_files.txt b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_as_files.txt
index 5353c7ef69..5bf6366c1c 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_as_files.txt
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_as_files.txt
@@ -377,11 +377,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct(array $buildParameters = array(), $containerDir = __DIR__)
     {
         $dir = $this->targetDirs[0] = \dirname($containerDir);
@@ -432,12 +427,6 @@ class ProjectServiceContainer extends Container
         );
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_compiled.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_compiled.php
index eca262220b..b9560ffb2b 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_compiled.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_compiled.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->parameters = $this->getDefaultParameters();
@@ -64,12 +59,6 @@ class ProjectServiceContainer extends Container
         );
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_almost_circular_private.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_almost_circular_private.php
index d6f1d6b118..306270b2d5 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_almost_circular_private.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_almost_circular_private.php
@@ -19,11 +19,6 @@ class Symfony_DI_PhpDumper_Test_Almost_Circular_Private extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -45,12 +40,6 @@ class Symfony_DI_PhpDumper_Test_Almost_Circular_Private extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_almost_circular_public.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_almost_circular_public.php
index 42c09d33f5..a1f6a345e3 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_almost_circular_public.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_almost_circular_public.php
@@ -19,11 +19,6 @@ class Symfony_DI_PhpDumper_Test_Almost_Circular_Public extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -52,12 +47,6 @@ class Symfony_DI_PhpDumper_Test_Almost_Circular_Public extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_array_params.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_array_params.php
index d72e6fd000..f2943bc25d 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_array_params.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_array_params.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $dir = __DIR__;
@@ -40,12 +35,6 @@ class ProjectServiceContainer extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_base64_env.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_base64_env.php
index 8af802f70d..9de944f511 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_base64_env.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_base64_env.php
@@ -19,11 +19,6 @@ class Symfony_DI_PhpDumper_Test_Base64Parameters extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->parameters = $this->getDefaultParameters();
@@ -33,12 +28,6 @@ class Symfony_DI_PhpDumper_Test_Base64Parameters extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_csv_env.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_csv_env.php
index 99215f5fd6..b183c845b6 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_csv_env.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_csv_env.php
@@ -19,11 +19,6 @@ class Symfony_DI_PhpDumper_Test_CsvParameters extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->parameters = $this->getDefaultParameters();
@@ -33,12 +28,6 @@ class Symfony_DI_PhpDumper_Test_CsvParameters extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_dedup_lazy_proxy.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_dedup_lazy_proxy.php
index 1653e6ef73..18f3afb998 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_dedup_lazy_proxy.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_dedup_lazy_proxy.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -35,12 +30,6 @@ class ProjectServiceContainer extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_env_in_id.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_env_in_id.php
index 4100dcdd2b..1a19bbb335 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_env_in_id.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_env_in_id.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->parameters = $this->getDefaultParameters();
@@ -37,12 +32,6 @@ class ProjectServiceContainer extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_errored_definition.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_errored_definition.php
index ddc5dc59da..b0506aae7a 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_errored_definition.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_errored_definition.php
@@ -19,11 +19,6 @@ class Symfony_DI_PhpDumper_Errored_Definition extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->parameters = $this->getDefaultParameters();
@@ -64,12 +59,6 @@ class Symfony_DI_PhpDumper_Errored_Definition extends Container
         );
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_inline_requires.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_inline_requires.php
index 7a882f4461..8a514c604c 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_inline_requires.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_inline_requires.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $dir = __DIR__;
@@ -49,12 +44,6 @@ class ProjectServiceContainer extends Container
         };
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_json_env.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_json_env.php
index dd2930a424..d6b3d1ae01 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_json_env.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_json_env.php
@@ -19,11 +19,6 @@ class Symfony_DI_PhpDumper_Test_JsonParameters extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->parameters = $this->getDefaultParameters();
@@ -33,12 +28,6 @@ class Symfony_DI_PhpDumper_Test_JsonParameters extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_locator.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_locator.php
index 59bbce3a99..4edbb3d7cd 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_locator.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_locator.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -41,12 +36,6 @@ class ProjectServiceContainer extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_non_shared_lazy.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_non_shared_lazy.php
index cd5707ef29..24bca7e35b 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_non_shared_lazy.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_non_shared_lazy.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -34,12 +29,6 @@ class ProjectServiceContainer extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_private_frozen.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_private_frozen.php
index 86315e2eba..1fe2259fa8 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_private_frozen.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_private_frozen.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -35,12 +30,6 @@ class ProjectServiceContainer extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_private_in_expression.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_private_in_expression.php
index 2ae3645803..1d2a3b21b8 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_private_in_expression.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_private_in_expression.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -34,12 +29,6 @@ class ProjectServiceContainer extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_rot13_env.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_rot13_env.php
index 7a334c41a6..4746f38d10 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_rot13_env.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_rot13_env.php
@@ -19,11 +19,6 @@ class Symfony_DI_PhpDumper_Test_Rot13Parameters extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->parameters = $this->getDefaultParameters();
@@ -37,12 +32,6 @@ class Symfony_DI_PhpDumper_Test_Rot13Parameters extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_service_locator_argument.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_service_locator_argument.php
index eeeb0ce9b0..26d4ad6be1 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_service_locator_argument.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_service_locator_argument.php
@@ -19,11 +19,6 @@ class Symfony_DI_PhpDumper_Service_Locator_Argument extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -38,12 +33,6 @@ class Symfony_DI_PhpDumper_Service_Locator_Argument extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_subscriber.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_subscriber.php
index 8df578eb0b..fed44d6bb7 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_subscriber.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_subscriber.php
@@ -19,11 +19,6 @@ class ProjectServiceContainer extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -35,12 +30,6 @@ class ProjectServiceContainer extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_uninitialized_ref.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_uninitialized_ref.php
index 0f5090c80b..828266d6bc 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_uninitialized_ref.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_uninitialized_ref.php
@@ -19,11 +19,6 @@ class Symfony_DI_PhpDumper_Test_Uninitialized_Reference extends Container
     private $parameters;
     private $targetDirs = array();
 
-    /**
-     * @internal but protected for BC on cache:clear
-     */
-    protected $privates = array();
-
     public function __construct()
     {
         $this->services = $this->privates = array();
@@ -36,12 +31,6 @@ class Symfony_DI_PhpDumper_Test_Uninitialized_Reference extends Container
         $this->aliases = array();
     }
 
-    public function reset()
-    {
-        $this->privates = array();
-        parent::reset();
-    }
-
     public function compile()
     {
         throw new LogicException('You cannot compile a dumped container that was already compiled.');