diff --git a/scripts/remote-install.sh b/scripts/remote-install.sh
index f2fc1852..cdc8b3de 100644
--- a/scripts/remote-install.sh
+++ b/scripts/remote-install.sh
@@ -205,13 +205,6 @@ then
 
     # Force hostid for IOU
     dd if=/dev/zero bs=4 count=1 of=/etc/hostid
-
-    # Block potential IOU phone home call (xml.cisco.com is not in use at this time)
-    log "Blocking IOU phone home call"
-    iptables -I OUTPUT -p udp --dport 53 -m string --hex-string "|03|xml|05|cisco|03|com" --algo bm -j DROP
-    echo iptables-persistent iptables-persistent/autosave_v4 boolean true | debconf-set-selections
-    echo iptables-persistent iptables-persistent/autosave_v6 boolean true | debconf-set-selections
-    apt install -y iptables-persistent
 fi
 
 log "Adding gns3 to the kvm group"