diff --git a/library/HTMLPurifier/Strategy/Composite.php b/library/HTMLPurifier/Strategy/Composite.php
index 816490b7..92aefd33 100644
--- a/library/HTMLPurifier/Strategy/Composite.php
+++ b/library/HTMLPurifier/Strategy/Composite.php
@@ -11,8 +11,6 @@ abstract class HTMLPurifier_Strategy_Composite extends HTMLPurifier_Strategy
      */
     protected $strategies = array();
 
-    abstract public function __construct();
-
     public function execute($tokens, $config, $context) {
         foreach ($this->strategies as $strategy) {
             $tokens = $strategy->execute($tokens, $config, $context);