diff --git a/systems/mc4/configuration.nix b/systems/mc4/configuration.nix
index 6703d09..866e9a8 100644
--- a/systems/mc4/configuration.nix
+++ b/systems/mc4/configuration.nix
@@ -18,8 +18,6 @@
 
   programs.atop.atopacctService.enable = false;
 
-  networking.firewall.allowedTCPPorts = [ 3300 ];
-
   system.stateVersion = "22.05";
 }