diff --git a/flake.nix b/flake.nix
index d4c415c..8ab373f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -93,7 +93,7 @@
       "yanlin@thinkpad" = home-manager.lib.homeManagerConfiguration {
         pkgs = nixpkgs.legacyPackages.x86_64-linux;
         modules = [ ./hosts/nixos/thinkpad/home.nix ];
-        extraSpecialArgs = { inherit claude-code nixvim firefox-addons plasma-manager; };
+        extraSpecialArgs = { inherit claude-code nixvim; };
       };
     };
   };
diff --git a/hosts/nixos/thinkpad/home.nix b/hosts/nixos/thinkpad/home.nix
index 8195907..f7ebc86 100644
--- a/hosts/nixos/thinkpad/home.nix
+++ b/hosts/nixos/thinkpad/home.nix
@@ -1,25 +1,16 @@
-{ config, pkgs, firefox-addons, plasma-manager, ... }:
+{ config, pkgs, ... }:
 
 {
   # Allow unfree packages in home-manager
   nixpkgs.config.allowUnfree = true;
-  
+
   # Import the common NixOS home configuration
   imports = [
     ../home-default.nix
-    ../../../modules/firefox.nix
-    ../../../modules/plasma.nix
     ../../../modules/syncthing.nix
     ../../../modules/ghostty.nix
     ../../../modules/tex.nix
-    plasma-manager.homeModules.plasma-manager
   ];
-  
-  # Enable Firefox with NixOS-specific package
-  programs.firefox-custom = {
-    enable = true;
-    package = pkgs.firefox;
-  };
 
   # Enable Ghostty terminal with NixOS package
   programs.ghostty-custom = {
@@ -31,9 +22,4 @@
 
   # Any ThinkPad-specific home configurations can be added here
   # For example, laptop-specific aliases or scripts
-
-  home.packages = with pkgs; [
-    keepassxc
-    obsidian
-  ];
 }
diff --git a/hosts/nixos/thinkpad/system.nix b/hosts/nixos/thinkpad/system.nix
index f3cd0a5..8fafe93 100644
--- a/hosts/nixos/thinkpad/system.nix
+++ b/hosts/nixos/thinkpad/system.nix
@@ -115,35 +115,6 @@
     jack.enable = true;
   };
 
-  # KDE Plasma Desktop Environment
-  services.xserver = {
-    enable = true;
-    
-    # Video drivers
-    videoDrivers = [ "modesetting" "nvidia" ];
-    
-    # Keyboard layout
-    xkb = {
-      layout = "us";
-      variant = "";
-    };
-  };
-  
-  # Display manager
-  services.displayManager.sddm = {
-    enable = true;
-    wayland.enable = true;
-  };
-  
-  # Auto-login
-  services.displayManager.autoLogin = {
-    enable = true;
-    user = "yanlin";
-  };
-  
-  # Desktop environment
-  services.desktopManager.plasma6.enable = true;
-  
   # Touchpad configuration
   services.libinput = {
     enable = true;
@@ -197,7 +168,7 @@
   services.logind.settings = {
     Login = {
       HandleLidSwitch = "ignore";           # Ignore lid close
-      HandleLidSwitchDocked = "ignore";     
+      HandleLidSwitchDocked = "ignore";
       HandleLidSwitchExternalPower = "ignore";
       HandleSuspendKey = "ignore";
       HandleHibernateKey = "ignore";
@@ -206,13 +177,6 @@
     };
   };
 
-  # Disable screen blanking and DPMS
-  services.xserver.displayManager.sessionCommands = ''
-    xset s off        # Disable screen saver
-    xset -dpms       # Disable DPMS (Display Power Management Signaling)
-    xset s noblank   # Disable screen blanking
-  '';
-
   # Thermal management
   services.thermald.enable = true;
 
@@ -250,24 +214,13 @@
     ];
   };
 
-
-  # Enable KDE Wallet auto-unlock via PAM
-  security.pam.services.sddm.enableKwallet = true;
-
   # Host-specific packages
   environment.systemPackages = with pkgs; [
     # Additional system monitoring
     btop
     neofetch
     unzip
-    
-    # KDE/Plasma utilities
-    kdePackages.kate
-    kdePackages.konsole
-    kdePackages.spectacle
-    kdePackages.filelight
-    kdePackages.ark
-    
+
     # System utilities
     pciutils
     usbutils