diff --git a/devices/vps6/default.nix b/devices/vps6/default.nix
index 90ae4242..66c4f2d5 100644
--- a/devices/vps6/default.nix
+++ b/devices/vps6/default.nix
@@ -23,7 +23,6 @@ inputs:
         nixpkgs.march = "znver2";
         initrd.sshd = {};
         networking = {};
-        # do not use cachyos kernel, beesd + cachyos kernel + heavy io = system freeze, not sure why
       };
       services =
       {
diff --git a/doc/todo.md b/doc/todo.md
index 4fe9880d..b1cc8cfb 100644
--- a/doc/todo.md
+++ b/doc/todo.md
@@ -1,6 +1,5 @@
 * 完善 slurm 文档，调整 slurm 设置：内存，nice
 * 调整 sbatch-tui 选项
-* 打包 cachyos
 * 打包 intel 编译器
 * 切换到 niri，清理 plasma
 * 调整其它用户的 zsh 配置
diff --git a/flake.lock b/flake.lock
index 48b89c74..d0d81b7a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -38,21 +38,6 @@
         "type": "github"
       }
     },
-    "cachyos-lts": {
-      "locked": {
-        "lastModified": 1743535541,
-        "narHash": "sha256-OlBtXY26w9OcAmpqrTvxaG4/rfDdavauQF2eRxb+ySs=",
-        "owner": "drakon64",
-        "repo": "nixos-cachyos-kernel",
-        "rev": "8516d89c4e0c4a25cea1be8431db3963359ee81b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "drakon64",
-        "repo": "nixos-cachyos-kernel",
-        "type": "github"
-      }
-    },
     "catppuccin": {
       "inputs": {
         "nixpkgs": [
@@ -824,7 +809,6 @@
       "inputs": {
         "blog": "blog",
         "bscpkgs": "bscpkgs",
-        "cachyos-lts": "cachyos-lts",
         "catppuccin": "catppuccin",
         "concurrencpp": "concurrencpp",
         "cppcoro": "cppcoro",
diff --git a/flake.nix b/flake.nix
index 6009eb5d..02a0336b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -26,7 +26,6 @@
     };
     catppuccin = { url = "github:catppuccin/nix"; inputs.nixpkgs.follows = "nixpkgs"; };
     bscpkgs = { url = "github:CHN-beta/bscpkgs"; inputs.nixpkgs.follows = "nixpkgs"; };
-    cachyos-lts.url = "github:drakon64/nixos-cachyos-kernel";
     nixvirt = { url = "github:CHN-beta/NixVirt"; inputs.nixpkgs.follows = "nixpkgs"; };
 
     misskey = { url = "git+https://github.com/CHN-beta/misskey?submodules=1"; flake = false; };
diff --git a/modules/system/kernel/default.nix b/modules/system/kernel/default.nix
index 8b673bc4..362df2a7 100644
--- a/modules/system/kernel/default.nix
+++ b/modules/system/kernel/default.nix
@@ -4,74 +4,64 @@ inputs:
   {
     variant = mkOption
     {
-      type = types.nullOr (types.enum [ "nixos" "xanmod-lts" "xanmod-latest" "cachyos" "cachyos-lts" ]);
+      type = types.nullOr (types.enum [ "nixos" "xanmod-lts" "xanmod-latest" ]);
       default = "xanmod-lts";
     };
     patches = mkOption { type = types.listOf types.nonEmptyStr; default = []; };
     modules.modprobeConfig = mkOption { type = types.listOf types.str; default = []; };
   };
-  config = let inherit (inputs.config.nixos.system) kernel; in inputs.lib.mkMerge
-  [
+  config = let inherit (inputs.config.nixos.system) kernel; in
+  {
+    boot =
     {
-      boot =
+      kernelModules = [ "br_netfilter" ];
+      # modprobe --show-depends
+      initrd.availableKernelModules =
+      [
+        "bfq" "failover" "net_failover" "nls_cp437" "nls_iso8859-1" "sd_mod"
+        "sr_mod" "usbcore" "usbhid" "usbip-core" "usb-common" "usb_storage" "vhci-hcd" "virtio" "virtio_blk"
+        "virtio_net" "virtio_ring" "virtio_scsi" "cryptd" "libaes"
+        "ahci" "ata_piix" "nvme" "sdhci_acpi" "virtio_pci" "xhci_pci"
+        # networking for nas
+        "igb"
+        # disk for srv1
+        "megaraid_sas"
+        # disks for cluster
+        "nfs" "nfsv4"
+        # netowrk for srv1
+        "bnx2x" "tg3"
+        # network for srv2
+        "e1000e" "igb" "atlantic" "igc"
+        # temp wireless for nas
+        "r8712u"
+        # network for srv3
+        "igb"
+        # touchscreen for one
+        "pinctrl-tigerlake"
+      ]
+        ++ (inputs.lib.optionals (kernel.variant != "nixos") [ "crypto_simd" ]);
+      extraModulePackages = with inputs.config.boot.kernelPackages; [ v4l2loopback zenpower ];
+      extraModprobeConfig = builtins.concatStringsSep "\n" kernel.modules.modprobeConfig;
+      kernelParams = [ "delayacct" ];
+      kernelPackages = inputs.lib.mkIf (kernel.variant != null)
       {
-        kernelModules = [ "br_netfilter" ];
-        # modprobe --show-depends
-        initrd.availableKernelModules =
-        [
-          "bfq" "failover" "net_failover" "nls_cp437" "nls_iso8859-1" "sd_mod"
-          "sr_mod" "usbcore" "usbhid" "usbip-core" "usb-common" "usb_storage" "vhci-hcd" "virtio" "virtio_blk"
-          "virtio_net" "virtio_ring" "virtio_scsi" "cryptd" "libaes"
-          "ahci" "ata_piix" "nvme" "sdhci_acpi" "virtio_pci" "xhci_pci"
-          # networking for nas
-          "igb"
-          # disk for srv1
-          "megaraid_sas"
-          # disks for cluster
-          "nfs" "nfsv4"
-          # netowrk for srv1
-          "bnx2x" "tg3"
-          # network for srv2
-          "e1000e" "igb" "atlantic" "igc"
-          # temp wireless for nas
-          "r8712u"
-          # network for srv3
-          "igb"
-          # touchscreen for one
-          "pinctrl-tigerlake"
-        ]
-          ++ (inputs.lib.optionals (kernel.variant != "nixos") [ "crypto_simd" ]);
-        extraModulePackages = with inputs.config.boot.kernelPackages; [ v4l2loopback zenpower ];
-        extraModprobeConfig = builtins.concatStringsSep "\n" kernel.modules.modprobeConfig;
-        kernelParams = [ "delayacct" ];
-        kernelPackages = inputs.lib.mkIf (kernel.variant != null)
-        {
-          nixos = inputs.pkgs.linuxPackages;
-          xanmod-lts = inputs.pkgs.linuxPackages_xanmod;
-          xanmod-latest = inputs.pkgs.linuxPackages_xanmod_latest;
-          cachyos = inputs.pkgs.linuxPackages_cachyos;
-          # TODO: package cachyos-lts
-          cachyos-lts = inputs.pkgs.linuxPackages_cachyos_lts;
-        }.${kernel.variant};
-        kernelPatches =
-          let
-            patches =
-            {
-              hibernate-progress =
-              [{
-                name = "hibernate-progress";
-                patch =
-                  let version = inputs.lib.versions.majorMinor inputs.config.boot.kernelPackages.kernel.version;
-                  in ./hibernate-progress-${version}.patch;
-              }];
-            };
-          in builtins.concatLists (builtins.map (name: patches.${name}) kernel.patches);
-      };
-    }
-    # enable scx when using cachyos
-    (
-      inputs.lib.mkIf (builtins.elem kernel.variant [ "cachyos" "cachyos-lts" ])
-        { services.scx = { enable = true; scheduler = "scx_rustland"; }; }
-    )
-  ];
+        nixos = inputs.pkgs.linuxPackages;
+        xanmod-lts = inputs.pkgs.linuxPackages_xanmod;
+        xanmod-latest = inputs.pkgs.linuxPackages_xanmod_latest;
+      }.${kernel.variant};
+      kernelPatches =
+        let
+          patches =
+          {
+            hibernate-progress =
+            [{
+              name = "hibernate-progress";
+              patch =
+                let version = inputs.lib.versions.majorMinor inputs.config.boot.kernelPackages.kernel.version;
+                in ./hibernate-progress-${version}.patch;
+            }];
+          };
+        in builtins.concatLists (builtins.map (name: patches.${name}) kernel.patches);
+    };
+  };
 }
diff --git a/modules/system/nixpkgs/buildNixpkgsConfig.nix b/modules/system/nixpkgs/buildNixpkgsConfig.nix
index 78aa27c0..61fb562e 100644
--- a/modules/system/nixpkgs/buildNixpkgsConfig.nix
+++ b/modules/system/nixpkgs/buildNixpkgsConfig.nix
@@ -39,8 +39,6 @@ in platformConfig //
     {
       inherit (inputs.topInputs.nix-vscode-extensions.overlays.default final prev) nix-vscode-extensions;
       firefox-addons = (import "${inputs.topInputs.rycee}" { inherit (prev) pkgs; }).firefox-addons;
-      linuxPackages_cachyos_lts =
-        final.linuxPackagesFor (inputs.topInputs.cachyos-lts.overlays.default final prev).linuxPackages_cachyos;
     })
     inputs.topInputs.self.overlays.default
     (final: prev: