diff --git a/common/network/hosts.nix b/common/network/hosts.nix
index 80d439e..2c7300a 100644
--- a/common/network/hosts.nix
+++ b/common/network/hosts.nix
@@ -36,14 +36,6 @@ in {
   keepalive-ping.hosts = attrNames zerotierHosts;
 
   programs.ssh.knownHosts = {
-    liza = {
-      hostNames = [ "liza" "mail.neet.dev" ];
-      publicKey = system.liza;
-    };
-    liza-unlock = {
-      hostNames = [ unlock-onion-hosts.liza ];
-      publicKey = system.liza-unlock;
-    };
     ponyo = {
       hostNames = [ "ponyo" "ponyo.neet.dev" "ponyo.zt.neet.dev" "git.neet.dev" ];
       publicKey = system.ponyo;
diff --git a/common/ssh.nix b/common/ssh.nix
index 7ea9420..8ace660 100644
--- a/common/ssh.nix
+++ b/common/ssh.nix
@@ -6,8 +6,6 @@ rec {
     "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFeTK1iARlNIKP/DS8/ObBm9yUM/3L1Ub4XI5A2r9OzP" # ray
   ] ++ higherTrustUserKeys;
   system = {
-    liza = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDY/pNyWedEfU7Tq9ikGbriRuF1ZWkHhegGS17L0Vcdl";
-    liza-unlock = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJ6eMKW7jBNUKm2r9zEoape4s3KVrmLTLC0nkW9t/8JK";
     ponyo = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMBBlTAIp38RhErU1wNNV5MBeb+WGH0mhF/dxh5RsAXN";
     ponyo-unlock = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIC9LQuuImgWlkjDhEEIbM1wOd+HqRv1RxvYZuLXPSdRi";
     ray = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDQM8hwKRgl8cZj7UVYATSLYu4LhG7I0WFJ9m2iWowiB";
@@ -23,7 +21,6 @@ rec {
 
   # groups
   systems = with system; [
-    liza
     ponyo
     ray
     router
@@ -33,7 +30,6 @@ rec {
     ray
   ];
   servers = with system; [
-    liza
     ponyo
     router
     s0
diff --git a/flake.nix b/flake.nix
index 58b65f8..4173534 100644
--- a/flake.nix
+++ b/flake.nix
@@ -89,7 +89,6 @@
     {
       "ray" = mkSystem "x86_64-linux" nixpkgs ./machines/ray/configuration.nix;
       # "nat" = mkSystem "aarch64-linux" nixpkgs ./machines/nat/configuration.nix;
-      "liza" = mkSystem "x86_64-linux" nixpkgs ./machines/liza/configuration.nix;
       "ponyo" = mkSystem "x86_64-linux" nixpkgs ./machines/ponyo/configuration.nix;
       "router" = mkSystem "x86_64-linux" nixpkgs ./machines/router/configuration.nix;
       "s0" = mkSystem "x86_64-linux" nixpkgs ./machines/storage/s0/configuration.nix;
diff --git a/machines/liza/configuration.nix b/machines/liza/configuration.nix
deleted file mode 100644
index 5f6294e..0000000
--- a/machines/liza/configuration.nix
+++ /dev/null
@@ -1,13 +0,0 @@
-{ config, pkgs, lib, ... }:
-
-{
-  imports =[
-    ./hardware-configuration.nix
-  ];
-
-  system.autoUpgrade.enable = true;
-
-  networking.hostName = "liza";
-
-  networking.interfaces.enp1s0.useDHCP = true;
-}
diff --git a/machines/liza/hardware-configuration.nix b/machines/liza/hardware-configuration.nix
deleted file mode 100644
index 85c0eda..0000000
--- a/machines/liza/hardware-configuration.nix
+++ /dev/null
@@ -1,46 +0,0 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
-
-{
-  imports =
-    [ (modulesPath + "/profiles/qemu-guest.nix")
-    ];
-
-  boot.initrd.availableKernelModules = [ "ata_piix" "virtio_pci" "floppy" "sr_mod" "virtio_blk" ];
-  boot.initrd.kernelModules = [ "dm-snapshot" ];
-  boot.kernelModules = [ ];
-  boot.extraModulePackages = [ ];
-
-  firmware.x86_64.enable = true;
-
-  bios = {
-    enable = true;
-    device = "/dev/sda";
-  };
-
-  remoteLuksUnlock.enable = true;
-  boot.initrd.luks.devices."enc-pv".device = "/dev/disk/by-uuid/2f736fba-8a0c-4fb5-8041-c849fb5e1297";
-
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/b90eaf3c-2f91-499a-a066-861e0f4478df";
-      fsType = "btrfs";
-    };
-
-  fileSystems."/home" =
-    { device = "/dev/disk/by-uuid/b90eaf3c-2f91-499a-a066-861e0f4478df";
-      fsType = "btrfs";
-      options = [ "subvol=home" ];
-    };
-
-  fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/2b8f6f6d-9358-4d30-8341-7426574e0819";
-      fsType = "ext3";
-    };
-
-  swapDevices =
-    [ { device = "/dev/disk/by-uuid/ef7a83db-4b33-41d1-85fc-cff69e480352"; }
-    ];
-
-}
\ No newline at end of file