diff --git a/include/class.user.php b/include/class.user.php
index 4fec3df6275ebbed48f6758be6cb9e5944435304..ab6f3572b85887a9141fe714c3d509d3de40304d 100644
--- a/include/class.user.php
+++ b/include/class.user.php
@@ -578,6 +578,11 @@ class User extends UserModel {
         // Delete emails.
         $this->emails->expunge();
 
+        // Drop dynamic data
+        foreach ($this->getDynamicData() as $cd) {
+            $cd->delete();
+        }
+
         // Delete user
         return parent::delete();
     }