--- sites\all\modules\content_access\content_access.module.orig
+++ sites\all\modules\content_access\content_access.module
@@ -136,6 +136,12 @@
 function content_access_nodeapi($node, $op, $teaser, $page) {
   if ($op == 'delete') {
     db_query("DELETE FROM {content_access} WHERE nid = %d", $node->nid);
+    $acl_id = acl_get_id_by_name('content_access', 'update_'.$node->nid);
+    acl_delete_acl($acl_id);
+    $acl_id = acl_get_id_by_name('content_access', 'view_'.$node->nid);
+    acl_delete_acl($acl_id);
+    $acl_id = acl_get_id_by_name('content_access', 'delete_'.$node->nid);
+    acl_delete_acl($acl_id);
   }
 }