--- engines/apc.php.orig	2008-07-07 09:21:53.000000000 +0200
+++ engines/apc.php	2008-07-07 09:24:12.000000000 +0200
@@ -90,6 +90,7 @@ class apcCache extends Cache {
         $return = FALSE;
       }
       else {
+        parent::delete($key);
         $return = TRUE;
       }
     }