diff --git a/darwin/common-homebrew.ulu.nix b/darwin/common-homebrew.ulu.nix
deleted file mode 100644
index 4406aa8..0000000
--- a/darwin/common-homebrew.ulu.nix
+++ /dev/null
@@ -1,17 +0,0 @@
-{ ... }:
-{
-  flake.darwinModules.common-homebrew =
-    { ... }:
-    {
-      homebrew = {
-        enable = true;
-        onActivation = {
-          autoUpdate = true;
-          upgrade = true;
-          cleanup = "none";
-        };
-        brews = [ ];
-        casks = [ ];
-      };
-    };
-}
diff --git a/darwin/common-packages.ulu.nix b/darwin/common-packages.ulu.nix
deleted file mode 100644
index 7297313..0000000
--- a/darwin/common-packages.ulu.nix
+++ /dev/null
@@ -1,26 +0,0 @@
-{ ... }:
-{
-  flake.darwinModules.common-packages =
-    { pkgs, ... }:
-    {
-      environment.systemPackages = with pkgs; [
-        pinentry_mac
-        fastfetch
-        starship
-        clinfo
-        zoxide
-        unzip
-        gnupg
-        btop
-        htop
-        tree
-        wget
-        eza
-        bat
-        git
-        fzf
-        zip
-        fd
-      ];
-    };
-}
diff --git a/darwin/common-system.ulu.nix b/darwin/common-system.ulu.nix
deleted file mode 100644
index 8290427..0000000
--- a/darwin/common-system.ulu.nix
+++ /dev/null
@@ -1,73 +0,0 @@
-{ ... }:
-{
-  flake.darwinModules.common-system =
-    {
-      pkgs,
-      config,
-      lib,
-      ...
-    }:
-    let
-      inherit (lib) mkAfter;
-    in
-    {
-      nix.enable = false;
-
-      time.timeZone = "Europe/Istanbul";
-
-      fonts.packages = with pkgs; [
-        noto-fonts
-        noto-fonts-cjk-sans
-        noto-fonts-cjk-serif
-        noto-fonts-color-emoji
-        nerd-fonts.jetbrains-mono
-      ];
-
-      system.defaults = {
-        NSGlobalDomain = {
-          AppleInterfaceStyle = "Dark";
-          InitialKeyRepeat = 15;
-          KeyRepeat = 2;
-          ApplePressAndHoldEnabled = false;
-          AppleShowAllFiles = true;
-          AppleShowAllExtensions = true;
-          "com.apple.springing.enabled" = true;
-          "com.apple.springing.delay" = 0.0;
-        };
-        CustomSystemPreferences = {
-          "com.apple.desktopservices" = {
-            DSDontWriteNetworkStores = true;
-            DSDontWriteUSBStores = true;
-          };
-          "com.apple.AdLib" = {
-            allowApplePersonalizedAdvertising = false;
-            allowIdentifierForAdvertising = false;
-            forceLimitAdTracking = true;
-            personalizedAdsMigrated = false;
-          };
-        };
-        dock = {
-          autohide = true;
-          orientation = "bottom";
-          tilesize = 48;
-        };
-        finder = {
-          AppleShowAllExtensions = true;
-          ShowPathbar = true;
-          FXEnableExtensionChangeWarning = false;
-          NewWindowTarget = "Home";
-          FXPreferredViewStyle = "Nlsv";
-        };
-        loginwindow = {
-          DisableConsoleAccess = true;
-          GuestEnabled = false;
-        };
-        LaunchServices.LSQuarantine = false;
-      };
-
-      system.activationScripts.postActivation.text = mkAfter ''
-        echo "unhiding ${config.users.users.${config.system.primaryUser}.home}/Library..."
-        /usr/bin/chflags nohidden ${config.users.users.${config.system.primaryUser}.home}/Library
-      '';
-    };
-}
diff --git a/darwin/common-user.ulu.nix b/darwin/common-user.ulu.nix
deleted file mode 100644
index 19aba8b..0000000
--- a/darwin/common-user.ulu.nix
+++ /dev/null
@@ -1,17 +0,0 @@
-{ ... }:
-{
-  flake.darwinModules.common-user =
-    { pkgs, ... }:
-    {
-      system.primaryUser = "sohryu";
-      users.users.sohryu = {
-        name = "sohryu";
-        home = "/Users/sohryu";
-        shell = pkgs.zsh;
-      };
-
-      programs.zsh.enable = true;
-      environment.systemPackages = [ pkgs.nh ];
-      environment.variables.NH_FLAKE = "/Users/sohryu/copland";
-    };
-}
diff --git a/hosts/sohryu-darwin.ulu.nix b/hosts/sohryu-darwin.ulu.nix
deleted file mode 100644
index 1acb2c3..0000000
--- a/hosts/sohryu-darwin.ulu.nix
+++ /dev/null
@@ -1,73 +0,0 @@
-{ config, inputs, ... }:
-let
-  system = "x86_64-darwin";
-in
-{
-  flake.darwinConfigurations.sohryu-darwin = inputs.nix-darwin.lib.darwinSystem {
-    specialArgs = {
-      inherit inputs system;
-    };
-
-    modules = [
-      { nixpkgs.hostPlatform = system; }
-
-      inputs.home-manager.darwinModules.home-manager
-
-      {
-        nixpkgs.config.allowUnfree = true;
-        nixpkgs.config.allowDeprecatedx86_64Darwin = true;
-
-        home-manager = {
-          useGlobalPkgs = true;
-          useUserPackages = true;
-          extraSpecialArgs = {
-            inherit inputs system;
-          };
-          users.sohryu = {
-            imports = [
-              config.flake.homeModules.home-base
-              config.flake.homeModules.home-ghostty
-              config.flake.homeModules.home-nushell
-              config.flake.homeModules.home-nushell-bash-compat
-              config.flake.homeModules.home-nushell-completions
-              config.flake.homeModules.home-nushell-prompt
-              config.flake.homeModules.home-nushell-commandline-copy
-              config.flake.homeModules.home-nushell-last
-              config.flake.homeModules.home-theme
-              config.flake.homeModules.home-theme-kemuri
-              config.flake.homeModules.home-theme-ghostty
-              config.flake.homeModules.home-theme-nushell
-              config.flake.homeModules.home-direnv
-              config.flake.homeModules.home-jujutsu
-              config.flake.homeModules.home-jujutsu-difftastic
-              config.flake.homeModules.home-jujutsu-mergiraf
-              config.flake.homeModules.home-jujutsu-watchman
-              config.flake.homeModules.home-gh
-              config.flake.homeModules.home-radicle
-            ];
-            home.username = "sohryu";
-            home.homeDirectory = "/Users/sohryu";
-            home.stateVersion = "25.05";
-          };
-        };
-      }
-
-      config.flake.darwinModules.hostname-assert
-      { elars.expectedHostName = "sohryu-darwin"; }
-      # pool
-      config.flake.darwinModules.common-git
-      config.flake.darwinModules.common-homebrew
-      config.flake.darwinModules.common-system
-      config.flake.darwinModules.common-user
-      config.flake.darwinModules.common-packages
-
-      # import
-
-      {
-        networking.hostName = "sohryu-darwin";
-        networking.computerName = "sohryu-darwin";
-        system.stateVersion = 5;
-      }
-    ];
-  };
-}