diff --git a/home/hosts/hypnos.nix b/home/hosts/hypnos.nix
index 50f21a7..b511a77 100644
--- a/home/hosts/hypnos.nix
+++ b/home/hosts/hypnos.nix
@@ -1,4 +1,9 @@
-{ config, lib, pkgs, ... }:
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
 
 {
   home.homeDirectory = "/Users/origami";
@@ -8,7 +13,6 @@
     ../modules/shell.nix
     ../modules/shell-develop.nix
     ../modules/zsh.nix
-    ../modules/darwin-packages.nix
     ../modules/llm.nix
   ];
 
@@ -17,4 +21,35 @@
   };
   # 外壳同款配色
   programs.zsh.initContent = "zstyle ':prompt:grml:*:items:user' pre '%F{#82C8E5}'";
+
+  # 包
+  home.packages = (
+    with pkgs;
+    [
+      # 标准 GNU 工具
+      autoconf
+      coreutils
+      gawk
+      gnused
+      gnutar
+      gnugrep
+      gnumake
+      pkgconf
+      unar
+
+      # 命令行小工具
+      helix
+      uv
+      typst
+      pandoc
+
+      # NixOS
+      nix-output-monitor
+      nixd
+      nixfmt
+      nixpkgs-fmt
+      nix-index
+      nix-tree
+    ]
+  );
 }
diff --git a/home/modules/darwin-packages.nix b/home/modules/darwin-packages.nix
deleted file mode 100644
index 362039d..0000000
--- a/home/modules/darwin-packages.nix
+++ /dev/null
@@ -1,23 +0,0 @@
-{ pkgs, ... }:
-{
-  home.packages =
-    (with pkgs; [
-      autoconf
-      coreutils
-      gawk
-      gnused
-      gnutar
-      gnugrep
-      gnumake
-      pkgconf
-      unar
-
-      codex
-
-      helix
-      uv
-      typst
-      pandoc
-    ])
-    ;
-}
diff --git a/hosts/eris/configuration.nix b/hosts/eris/configuration.nix
index e9d1105..e69d5dc 100644
--- a/hosts/eris/configuration.nix
+++ b/hosts/eris/configuration.nix
@@ -76,7 +76,6 @@
     home-manager
     nix-output-monitor
     nixd
-    nixpkgs-fmt
     nix-index
     nix-tree