diff --git a/labs/os2/Iptables.adoc b/labs/os2/Iptables.adoc
index f612014..a96a9d1 100644
--- a/labs/os2/Iptables.adoc
+++ b/labs/os2/Iptables.adoc
@@ -11,7 +11,6 @@ Apostolos rootApostolos@swarmlab.io
 :icons: font
 :sectnums: 
 
-include::header.adoc[]
 
 
 {empty} +