diff --git a/salt/manager/tools/sbin/soup b/salt/manager/tools/sbin/soup
index 47712d81d..ad8c0dc79 100755
--- a/salt/manager/tools/sbin/soup
+++ b/salt/manager/tools/sbin/soup
@@ -466,7 +466,10 @@ post_to_2.4.30() {
 }
 
 post_to_2.4.40() {
-  echo "Nothing to apply"
+  echo "Removing old ATT&CK Navigator Layers..."
+  rm -rf /opt/so/conf/navigator/layers/enterprise-attack.json
+  rm -rf /opt/so/conf/navigator/layers/nav_layer_playbook.json
+
   POSTVERSION=2.4.40
 }