diff --git a/ExerciseHTMLPurifierBundle.php b/ExerciseHTMLPurifierBundle.php
index f69a7bcc..1cb01644 100644
--- a/ExerciseHTMLPurifierBundle.php
+++ b/ExerciseHTMLPurifierBundle.php
@@ -6,8 +6,4 @@
 
 class ExerciseHTMLPurifierBundle extends Bundle
 {
-    public function boot()
-    {
-        new \HTMLPurifier_Bootstrap();
-    }
 }