diff --git a/src/Symfony/Component/HttpKernel/Kernel.php b/src/Symfony/Component/HttpKernel/Kernel.php
index 0ca2e990ba..9d9295f326 100644
--- a/src/Symfony/Component/HttpKernel/Kernel.php
+++ b/src/Symfony/Component/HttpKernel/Kernel.php
@@ -59,7 +59,6 @@ abstract class Kernel implements KernelInterface, TerminableInterface
     protected $booted;
     protected $name;
     protected $startTime;
-    protected $classes;
     protected $errorReportingLevel;
 
     const VERSION         = '2.2.6-DEV';
@@ -84,7 +83,6 @@ abstract class Kernel implements KernelInterface, TerminableInterface
         $this->booted = false;
         $this->rootDir = $this->getRootDir();
         $this->name = $this->getName();
-        $this->classes = array();
         $this->bundles = array();
 
         if ($this->debug) {