diff --git a/src/DNode/Session.php b/src/DNode/Session.php
index e8ed636..7fc7f40 100644
--- a/src/DNode/Session.php
+++ b/src/DNode/Session.php
@@ -77,6 +77,14 @@ public function handle($req)
     {
         $session = $this;
 
+        if ($req->method === 'cull') {
+            foreach ($req->arguments as $id) {
+                unset($this->callbacks[$id]);
+            }
+
+            return;
+        }
+
         // Register callbacks from request
         $args = $this->unscrub($req);