diff --git a/hosts/darwin/home-default.nix b/hosts/darwin/home-default.nix
index 18234a4..15c6b32 100644
--- a/hosts/darwin/home-default.nix
+++ b/hosts/darwin/home-default.nix
@@ -165,16 +165,12 @@
 
     # Command-line utilities
     ncdu
-    imagemagick
-    git-credential-oauth
     delta
     fastfetch
     coreutils      # GNU core utilities (base64, etc.)
     tree
     bzip2
-    unzip
     duti           # Set default applications for file types (macOS)
-    ffmpeg
     pdftk
 
     # Development and build tools
diff --git a/hosts/nixos/home-default.nix b/hosts/nixos/home-default.nix
index bd43f82..3c43d7e 100644
--- a/hosts/nixos/home-default.nix
+++ b/hosts/nixos/home-default.nix
@@ -11,9 +11,6 @@
     ../../modules/lazygit.nix
     ../../modules/rsync.nix
     ../../modules/btop.nix
-    ../../modules/claude-code.nix
-    ../../modules/gemini-cli.nix
-    ../../modules/media-process.nix
     ../../modules/fonts.nix
     ../../modules/env.nix
   ];
@@ -23,6 +20,7 @@
   home.stateVersion = "24.05";
 
   programs.home-manager.enable = true;
+  nixpkgs.config.allowUnfree = true;
 
   # nixOS-specific alias
   programs.zsh.shellAliases = {
@@ -46,18 +44,12 @@
     iputils        # Core network tools (ping, traceroute)
     inetutils      # Network utilities (telnet)
     netcat-gnu     # Network connection utility
-    curl           # HTTP client
-    wget           # Web downloader
 
     # Command-line utilities
     ncdu
-    git-credential-oauth
     delta
     fastfetch
-    coreutils      # GNU core utilities (base64, etc.)
     bzip2
-    ffmpeg
-    pdftk
 
     # Development and build tools
     python312
diff --git a/hosts/nixos/hs/home.nix b/hosts/nixos/hs/home.nix
index 8352b96..d89e7eb 100644
--- a/hosts/nixos/hs/home.nix
+++ b/hosts/nixos/hs/home.nix
@@ -23,7 +23,4 @@
     downloadDir = "/mnt/storage/Media/web-video";
   };
 
-  home.packages = with pkgs; [
-  ];
-  
 }
diff --git a/hosts/nixos/nfss/home.nix b/hosts/nixos/nfss/home.nix
index 2c8f1f9..d0d3c15 100644
--- a/hosts/nixos/nfss/home.nix
+++ b/hosts/nixos/nfss/home.nix
@@ -3,18 +3,8 @@
 {
   imports = [
     ../home-default.nix
-    ../../../modules/tex.nix
     ../../../modules/syncthing.nix
-    ../../../modules/schedule.nix
-    ../../../modules/yt-dlp.nix
+    ../../../modules/media-process.nix
   ];
 
-  home.packages = with pkgs; [
-  ];
-
-  programs.yt-dlp-custom = {
-    enable = true;
-    downloadDir = "/home/yanlin/Media";
-  };
-
 }
diff --git a/hosts/nixos/system-default.nix b/hosts/nixos/system-default.nix
index ff19b4a..e4564a9 100644
--- a/hosts/nixos/system-default.nix
+++ b/hosts/nixos/system-default.nix
@@ -55,8 +55,7 @@
     iotop
     unzip
     
-    # Shell and system management
-    zsh
+    # System management
     home-manager
   ];
 
diff --git a/hosts/nixos/thinkpad/home.nix b/hosts/nixos/thinkpad/home.nix
index 60efc80..9f59ddb 100644
--- a/hosts/nixos/thinkpad/home.nix
+++ b/hosts/nixos/thinkpad/home.nix
@@ -1,12 +1,8 @@
 { config, pkgs, ... }:
 
 {
-  nixpkgs.config.allowUnfree = true;
-
   imports = [
     ../home-default.nix
     ../../../modules/syncthing.nix
-    ../../../modules/tex.nix
-    ../../../modules/schedule.nix
   ];
 }
diff --git a/modules/media-process.nix b/modules/media-process.nix
index ec9fb16..daf6148 100644
--- a/modules/media-process.nix
+++ b/modules/media-process.nix
@@ -2,6 +2,7 @@
 
 {
   home.packages = with pkgs; [
+    pdftk
     ffmpeg
     shntool
     cuetools