diff --git a/code/MultiFormSession.php b/code/MultiFormSession.php
index 9adafcd..fd035ca 100644
--- a/code/MultiFormSession.php
+++ b/code/MultiFormSession.php
@@ -55,7 +55,8 @@ class MultiFormSession extends DataObject {
 		// delete dependent form steps and relation
 		$steps = $this->FormSteps();
 		if($steps) foreach($steps as $step) {
-			$steps->remove($step);	// @TODO not sure if this is required (does delete() remove the relation too?)
+			$steps->remove($step);	// @TODO not sure if this is required (does delete() remove the relation too?)
+			$step->destroy();
 			$step->delete();
 		}