diff --git a/home-manager-modules/sway/default.nix b/home-manager-modules/sway/default.nix
index 78d8901..3aaf7fe 100644
--- a/home-manager-modules/sway/default.nix
+++ b/home-manager-modules/sway/default.nix
@@ -127,5 +127,7 @@ with lib;
 
       };
 
+    security.pam.services.swaylock = { };
+
   };
 }
diff --git a/machines/tower/default.nix b/machines/tower/default.nix
index dcaeec8..7ea4b02 100644
--- a/machines/tower/default.nix
+++ b/machines/tower/default.nix
@@ -7,13 +7,11 @@
       ./home-julien.nix
     ];
 
-  # Bootloader.
   boot.loader.grub.enable = true;
   boot.loader.grub.device = "/dev/sda";
   boot.loader.grub.useOSProber = true;
 
-  services.resolved.enable = true;
-  networking.hostName = "tower"; # Define your hostname.
+  networking.hostName = "tower";
 
   networking.networkmanager.enable = true;
 
@@ -26,11 +24,6 @@
 
   services.tailscale.enable = true;
 
-  nix.extraOptions = ''
-    allow-import-from-derivation = true
-      experimental-features = nix-command flakes
-  '';
-
   services.openssh.extraConfig = ''
     HostCertificate /etc/ssh/ssh_host_ed25519_key-cert.pub
     HostKey /etc/ssh/ssh_host_ed25519_key
@@ -45,17 +38,8 @@
 
   console.keyMap = "fr";
 
-  users.users.julien = {
-    isNormalUser = true;
-    description = "Julien";
-    extraGroups = [ "networkmanager" "wheel" ];
-    packages = [ ];
-  };
-
   services.openssh.enable = true;
 
-  boot.binfmt.emulatedSystems = [ "i686-linux" ];
-
   programs.ssh.knownHosts."darwin-build-box.winter.cafe".publicKey =
     "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIB0io9E0eXiDIEHvsibXOxOPveSjUPIr1RnNKbUkw3fD";
 
diff --git a/machines/x2100/default.nix b/machines/x2100/default.nix
index 49cb874..36946fe 100644
--- a/machines/x2100/default.nix
+++ b/machines/x2100/default.nix
@@ -124,9 +124,6 @@
   # for a WiFi printer
   services.avahi.openFirewall = true;
 
-
-  security.pam.services.swaylock = { };
-
   programs.sway = {
     enable = true;
     wrapperFeatures.gtk = true;