diff --git a/README.md b/README.md
index 2511be7..2185021 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ Flakes:
 
     $ deploy --interactive '#fwminex'
 
-    $ nix build .#deploy.nodes.fra1-b.profiles.system.path
+    $ nix build .#deploy.nodes.fra1-c.profiles.system.path
 
 Other:
 
diff --git a/data.nix b/data.nix
index 3a3d1ae..0f05263 100644
--- a/data.nix
+++ b/data.nix
@@ -14,8 +14,6 @@ rec {
     borgstor = 504;
 
     jakstpub = 505;
-
-    remote-builder = 508;
   };
 
   ports = {
@@ -79,23 +77,6 @@ rec {
       publicIP = "128.140.60.129";
       system = "x86_64-linux";
     };
-    "fra1-b.jakst.vpn" = rec {
-      extraHostNames = [
-        "fra1-b.jakstys.lt"
-        "fra1-b"
-        publicIP
-      ];
-      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIP1tL1FQeKE+28ATuD4USa4oAdPkONfk4uF/McMm+2sy";
-      publicIP = "188.245.84.21";
-      system = "aarch64-linux";
-      supportedFeatures = [
-        "nixos-test"
-        "benchmark"
-        "big-parallel"
-        "kvm"
-        "gccarch-armv8-a"
-      ];
-    };
     "vno1-gdrx.jakst.vpn" = rec {
       extraHostNames = [
         "vno1-gdrx"
@@ -161,7 +142,6 @@ rec {
 
   jakstysLTZone =
     let
-      fra1b = hosts."fra1-b.jakst.vpn".publicIP;
       fra1c = hosts."fra1-c.jakst.vpn".publicIP;
       vno1 = hosts."fwminex.jakst.vpn".publicIP;
       vno4 = hosts."vno4-rutx11.jakst.vpn".publicIP;
@@ -185,7 +165,6 @@ rec {
       auth                             A     ${vno1}
       dl                               A     ${vno1}
       up                               A     ${vno1}
-      fra1-b                           A     ${fra1b}
       fra1-c                           A     ${fra1c}
       vno4                             A     ${vno4}
       r1                               A     ${vno1}
diff --git a/flake.nix b/flake.nix
index c1e1f38..3421175 100644
--- a/flake.nix
+++ b/flake.nix
@@ -197,21 +197,6 @@
           } // inputs;
         };
 
-        fra1-b = nixpkgs.lib.nixosSystem {
-          system = "aarch64-linux";
-          modules = [
-            { nixpkgs.overlays = overlays; }
-            agenix.nixosModules.default
-            home-manager.nixosModules.home-manager
-            ./hosts/fra1-b/configuration.nix
-            ./modules
-          ];
-
-          specialArgs = {
-            inherit myData;
-          } // inputs;
-        };
-
         fra1-c = nixpkgs.lib.nixosSystem {
           system = "x86_64-linux";
           modules = [
@@ -274,17 +259,6 @@
           };
         };
 
-        fra1-b = {
-          hostname = "fra1-b.jakst.vpn";
-          profiles = {
-            system = {
-              sshUser = "motiejus";
-              path = self.nixosConfigurations.fra1-b.pkgs.deploy-rs.lib.activate.nixos self.nixosConfigurations.fra1-b;
-              user = "root";
-            };
-          };
-        };
-
         fra1-c = {
           hostname = "fra1-c.jakst.vpn";
           profiles = {
diff --git a/hosts/fra1-b/configuration.nix b/hosts/fra1-b/configuration.nix
deleted file mode 100644
index 6260ee4..0000000
--- a/hosts/fra1-b/configuration.nix
+++ /dev/null
@@ -1,153 +0,0 @@
-{
-  config,
-  myData,
-  modulesPath,
-  ...
-}:
-let
-  disk = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_50294864";
-in
-{
-  imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
-
-  age.secrets = {
-    motiejus-passwd-hash.file = ../../secrets/motiejus_passwd_hash.age;
-    root-passwd-hash.file = ../../secrets/root_passwd_hash.age;
-    sasl-passwd.file = ../../secrets/postfix_sasl_passwd.age;
-    ssh8022-server = {
-      file = ../../secrets/ssh8022.age;
-      owner = "spiped";
-      path = "/var/lib/spiped/ssh8022.key";
-    };
-
-  };
-
-  boot = {
-    loader.systemd-boot.enable = true;
-    initrd = {
-      kernelModules = [ "usb_storage" ];
-      availableKernelModules = [
-        "xhci_pci"
-        "virtio_scsi"
-        "sr_mod"
-      ];
-    };
-  };
-
-  fileSystems = {
-    "/boot" = {
-      device = "${disk}-part1";
-      fsType = "vfat";
-      options = [
-        "fmask=0022"
-        "dmask=0022"
-      ];
-    };
-    "/" = {
-      device = "${disk}-part3";
-      fsType = "btrfs";
-      options = [
-        "compress=zstd"
-        "noatime"
-      ];
-    };
-  };
-
-  swapDevices = [ { device = "${disk}-part2"; } ];
-
-  mj = {
-    stateVersion = "24.05";
-    timeZone = "UTC";
-    username = "motiejus";
-
-    base = {
-      users = {
-        enable = true;
-        root.hashedPasswordFile = config.age.secrets.root-passwd-hash.path;
-        user.hashedPasswordFile = config.age.secrets.motiejus-passwd-hash.path;
-      };
-
-      unitstatus = {
-        enable = true;
-        email = "motiejus+alerts@jakstys.lt";
-      };
-
-    };
-
-    services = {
-      node_exporter.enable = true;
-      ping_exporter.enable = true;
-      tailscale.enable = true;
-
-      ssh8022.server = {
-        enable = true;
-        keyfile = config.age.secrets.ssh8022-server.path;
-        openGlobalFirewall = false;
-      };
-
-      remote-builder.server = {
-        enable = true;
-        uidgid = myData.uidgid.remote-builder;
-        sshAllowSubnet = myData.subnets.tailscale.sshPattern;
-        publicKeys = map (h: myData.hosts.${h}.publicKey) [
-          "vno1-gdrx.jakst.vpn"
-          "fwminex.jakst.vpn"
-          "mtworx.jakst.vpn"
-        ];
-      };
-
-      postfix = {
-        enable = true;
-        saslPasswdPath = config.age.secrets.sasl-passwd.path;
-      };
-
-      deployerbot = {
-        follower = {
-          publicKeys = [ myData.hosts."fwminex.jakst.vpn".publicKey ];
-
-          enable = true;
-          sshAllowSubnets = [ myData.subnets.tailscale.sshPattern ];
-          uidgid = myData.uidgid.updaterbot-deployee;
-        };
-      };
-
-    };
-  };
-
-  services = {
-    nsd = {
-      enable = true;
-      interfaces = [
-        "0.0.0.0"
-        "::"
-      ];
-      zones = {
-        "jakstys.lt.".data = myData.jakstysLTZone;
-      };
-    };
-  };
-
-  powerManagement.cpuFreqGovernor = "performance";
-
-  networking = {
-    hostName = "fra1-b";
-    domain = "jakst.vpn";
-    useDHCP = true;
-    interfaces.enp1s0.ipv6.addresses = [
-      {
-        address = "2a01:4f8:c012:1ba::";
-        prefixLength = 64;
-      }
-    ];
-    defaultGateway6 = {
-      address = "fe80::1";
-      interface = "enp1s0";
-    };
-    firewall = {
-      allowedUDPPorts = [ 53 ];
-      allowedTCPPorts = [ 53 ];
-    };
-  };
-
-  nixpkgs.hostPlatform = "aarch64-linux";
-}
diff --git a/hosts/fwminex/configuration.nix b/hosts/fwminex/configuration.nix
index 2f202e0..9da748b 100644
--- a/hosts/fwminex/configuration.nix
+++ b/hosts/fwminex/configuration.nix
@@ -432,7 +432,6 @@ in
               hosts = [
                 "fwminex.jakst.vpn"
                 "vno3-nk.jakst.vpn"
-                "fra1-b.jakst.vpn"
                 "fra1-c.jakst.vpn"
                 "vno1-gdrx.jakst.vpn"
               ];
@@ -478,7 +477,6 @@ in
             }
           )
           [
-            "fra1-b.jakst.vpn"
             "fra1-c.jakst.vpn"
             "vno3-nk.jakst.vpn"
             "fwminex.jakst.vpn"
@@ -692,17 +690,6 @@ in
         macaroonSecretKeyPath = config.age.secrets.synapse-macaroon-secret-key.path;
       };
 
-      remote-builder.client =
-        let
-          host = myData.hosts."fra1-b.jakst.vpn";
-        in
-        {
-          enable = true;
-          inherit (host) system supportedFeatures;
-          hostName = "fra1-b.jakst.vpn";
-          sshKey = "/etc/ssh/ssh_host_ed25519_key";
-        };
-
       deployerbot = {
         main = {
           enable = true;
@@ -710,7 +697,6 @@ in
           repo = "git@git.jakstys.lt:motiejus/config";
           deployDerivations = [
             ".#fwminex"
-            ".#fra1-b"
             ".#fra1-c"
             ".#vno3-nk"
           ];
diff --git a/hosts/mtworx/configuration.nix b/hosts/mtworx/configuration.nix
index 1a75d16..be7a325 100644
--- a/hosts/mtworx/configuration.nix
+++ b/hosts/mtworx/configuration.nix
@@ -131,18 +131,6 @@ in
         toUser = config.mj.username;
       };
 
-      remote-builder.client =
-        let
-          host = myData.hosts."fra1-b.jakst.vpn";
-        in
-        {
-          enable = true;
-          inherit (host) system supportedFeatures;
-          hostName = "fra1-b.jakst.vpn";
-          sshKey = "/etc/ssh/ssh_host_ed25519_key";
-          maxJobs = 2;
-        };
-
       node_exporter = {
         enable = true;
         extraSubnets = [ myData.subnets.vno1.cidr ];
diff --git a/hosts/vno1-gdrx/configuration.nix b/hosts/vno1-gdrx/configuration.nix
index a32fb9e..5e54b8d 100644
--- a/hosts/vno1-gdrx/configuration.nix
+++ b/hosts/vno1-gdrx/configuration.nix
@@ -139,18 +139,6 @@ in
         ];
       };
 
-      remote-builder.client =
-        let
-          host = myData.hosts."fra1-b.jakst.vpn";
-        in
-        {
-          enable = true;
-          inherit (host) system supportedFeatures;
-          hostName = "fra1-b.jakst.vpn";
-          sshKey = "/etc/ssh/ssh_host_ed25519_key";
-          maxJobs = 2;
-        };
-
       deployerbot = {
         follower = {
           publicKeys = [ myData.hosts."fwminex.jakst.vpn".publicKey ];
diff --git a/hosts/vno3-nk/configuration.nix b/hosts/vno3-nk/configuration.nix
index 135d58d..0e611b8 100644
--- a/hosts/vno3-nk/configuration.nix
+++ b/hosts/vno3-nk/configuration.nix
@@ -191,17 +191,6 @@ in
         ];
       };
 
-      remote-builder.client =
-        let
-          host = myData.hosts."fra1-b.jakst.vpn";
-        in
-        {
-          enable = true;
-          inherit (host) system supportedFeatures;
-          hostName = "fra1-b.jakst.vpn";
-          sshKey = "/etc/ssh/ssh_host_ed25519_key";
-        };
-
       postfix = {
         enable = true;
         saslPasswdPath = config.age.secrets.sasl-passwd.path;
diff --git a/modules/services/default.nix b/modules/services/default.nix
index 51f2f91..a2c2472 100644
--- a/modules/services/default.nix
+++ b/modules/services/default.nix
@@ -19,7 +19,6 @@
     ./ping_exporter
     ./postfix
     ./printing
-    ./remote-builder
     ./ssh8022
     ./syncthing
     ./syncthing-relay
diff --git a/modules/services/ping_exporter/default.nix b/modules/services/ping_exporter/default.nix
index 262001e..109b231 100644
--- a/modules/services/ping_exporter/default.nix
+++ b/modules/services/ping_exporter/default.nix
@@ -33,7 +33,6 @@ in
           "github.com"
 
           "jakstys.lt"
-          "fra1-b.jakstys.lt"
           "fra1-c.jakstys.lt"
 
           "vno3-nk.jakst.vpn"
diff --git a/modules/services/remote-builder/default.nix b/modules/services/remote-builder/default.nix
deleted file mode 100644
index 0831b64..0000000
--- a/modules/services/remote-builder/default.nix
+++ /dev/null
@@ -1,72 +0,0 @@
-{ config, lib, ... }:
-{
-  options.mj.services.remote-builder = with lib.types; {
-    server = {
-      enable = lib.mkEnableOption "Enable remote builder server";
-      uidgid = lib.mkOption { type = int; };
-      sshAllowSubnet = lib.mkOption { type = str; };
-      publicKeys = lib.mkOption { type = listOf str; };
-    };
-    client = {
-      enable = lib.mkEnableOption "Enable remote builder client";
-      system = lib.mkOption {
-        type = enum [
-          "aarch64-linux"
-          "x86_64-linux"
-        ];
-      };
-      hostName = lib.mkOption { type = str; };
-      sshKey = lib.mkOption { type = path; };
-      supportedFeatures = lib.mkOption { type = listOf str; };
-      maxJobs = lib.mkOption {
-        type = int;
-        default = 1;
-      };
-    };
-  };
-
-  config = lib.mkMerge [
-    (
-      let
-        cfg = config.mj.services.remote-builder.server;
-      in
-      lib.mkIf cfg.enable {
-        users.users.remote-builder = {
-          description = "Remote Builder";
-          home = "/var/lib/remote-builder";
-          shell = "/bin/sh";
-          group = "remote-builder";
-          isSystemUser = true;
-          createHome = true;
-          uid = cfg.uidgid;
-          openssh.authorizedKeys.keys = map (k: ''from="${cfg.sshAllowSubnet}" ${k}'') cfg.publicKeys;
-        };
-        users.groups.remote-builder.gid = cfg.uidgid;
-        nix.settings.trusted-users = [ "remote-builder" ];
-      }
-    )
-    (
-      let
-        cfg = config.mj.services.remote-builder.client;
-      in
-      lib.mkIf cfg.enable {
-        nix = {
-          buildMachines = [
-            {
-              inherit (cfg)
-                hostName
-                system
-                sshKey
-                supportedFeatures
-                ;
-              protocol = "ssh-ng";
-              sshUser = "remote-builder";
-            }
-          ];
-          distributedBuilds = true;
-          extraOptions = "builders-use-substitutes = true";
-        };
-      }
-    )
-  ];
-}
diff --git a/modules/services/ssh8022/default.nix b/modules/services/ssh8022/default.nix
index 1220add..ca66c24 100644
--- a/modules/services/ssh8022/default.nix
+++ b/modules/services/ssh8022/default.nix
@@ -33,12 +33,6 @@
           Host fra1-c
             HostName fra1-c.jakstys.lt
             ProxyCommand ${pkgs.spiped}/bin/spipe -t %h:8022 -k ${cfg.keyfile}
-
-          Host fra1-b.jakstys.lt jakstys.lt
-            ProxyCommand ${pkgs.spiped}/bin/spipe -t %h:8022 -k ${cfg.keyfile}
-          Host fra1-b
-            HostName fra1-b.jakstys.lt
-            ProxyCommand ${pkgs.spiped}/bin/spipe -t %h:8022 -k ${cfg.keyfile}
         '';
       }
     )
diff --git a/secrets.nix b/secrets.nix
index 56a4fdf..8903ba1 100644
--- a/secrets.nix
+++ b/secrets.nix
@@ -8,7 +8,6 @@ let
 
   fwminex = (import ./data.nix).hosts."fwminex.jakst.vpn".publicKey;
   vno3-nk = (import ./data.nix).hosts."vno3-nk.jakst.vpn".publicKey;
-  fra1-b = (import ./data.nix).hosts."fra1-b.jakst.vpn".publicKey;
   fra1-c = (import ./data.nix).hosts."fra1-c.jakst.vpn".publicKey;
   mtworx = (import ./data.nix).hosts."mtworx.jakst.vpn".publicKey;
   vno1-gdrx = (import ./data.nix).hosts."vno1-gdrx.jakst.vpn".publicKey;
@@ -16,7 +15,6 @@ let
   systems = [
     fwminex
     vno3-nk
-    fra1-b
     fra1-c
     vno1-gdrx
     mtworx