diff --git a/src/Composer/DependencyResolver/SolverBugException.php b/src/Composer/DependencyResolver/SolverBugException.php
index 6a7d295c2..da44366e5 100644
--- a/src/Composer/DependencyResolver/SolverBugException.php
+++ b/src/Composer/DependencyResolver/SolverBugException.php
@@ -17,8 +17,6 @@ namespace Composer\DependencyResolver;
  */
 class SolverBugException extends \RuntimeException
 {
-    protected $problems;
-
     public function __construct($message)
     {
         parent::__construct(