diff --git a/nixos/common/modules/networking.nix b/nixos/common/modules/networking.nix
index c848e188..9f60e663 100644
--- a/nixos/common/modules/networking.nix
+++ b/nixos/common/modules/networking.nix
@@ -2,6 +2,7 @@
   # Enable networking with NetworkManager
 
   networking = {
+    enableIPv6 = false;
     networkmanager = { 
       enable = true;
     };
diff --git a/nixos/hosts/osaka-linode-01/firewall.nix b/nixos/hosts/osaka-linode-01/firewall.nix
index f3f2c377..037a1781 100644
--- a/nixos/hosts/osaka-linode-01/firewall.nix
+++ b/nixos/hosts/osaka-linode-01/firewall.nix
@@ -23,7 +23,6 @@
 
   networking.firewall.extraCommands     = '' 
     iptables -A FORWARD -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
-    iptables -t nat -A POSTROUTING -s 10.100.0.2 -j SNAT --to `:%s/\=
 
     # TCP PORTS ##################################################################################################
     # PORT 80