diff --git a/flake.lock b/flake.lock
index d746f8b..9411b30 100644
--- a/flake.lock
+++ b/flake.lock
@@ -39,11 +39,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1701905325,
-        "narHash": "sha256-lda63LmEIlDMeCgWfjr3/wb487XPllBByfrGRieyEk4=",
+        "lastModified": 1702569759,
+        "narHash": "sha256-Ze3AdEEsVZBRJ4wn13EZpV1Uubkzi59TkC4j2G9xoFI=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "1144887c6f4d2dcbb2316a24364ef53e25b0fcfe",
+        "rev": "98ab91109716871f50ea8cb0e0ac7cc1e1e14714",
         "type": "github"
       },
       "original": {
@@ -88,11 +88,11 @@
     },
     "hardware": {
       "locked": {
-        "lastModified": 1702336390,
-        "narHash": "sha256-BRO8J8QbmyuS0XMh4UfY11akgTGZj1YhkqNvR83JrsI=",
+        "lastModified": 1702453208,
+        "narHash": "sha256-0wRi9SposfE2wHqjuKt8WO2izKB/ASDOV91URunIqgo=",
         "owner": "nixos",
         "repo": "nixos-hardware",
-        "rev": "fef05bf9c8e818f4ca1425ef4c18e6680becd072",
+        "rev": "7763c6fd1f299cb9361ff2abf755ed9619ef01d6",
         "type": "github"
       },
       "original": {
@@ -106,11 +106,11 @@
         "nixpkgs": "nixpkgs_3"
       },
       "locked": {
-        "lastModified": 1702203126,
-        "narHash": "sha256-4BhN2Vji19MzRC7SUfPZGmtZ2WZydQeUk/ogfRBIZMs=",
+        "lastModified": 1702735279,
+        "narHash": "sha256-SztEzDOE/6bDNnWWvnRbSHPVrgewLwdSei1sxoZFejM=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "defbb9c5857e157703e8fc7cf3c2ceb01cb95883",
+        "rev": "e9b9ecef4295a835ab073814f100498716b05a96",
         "type": "github"
       },
       "original": {
@@ -147,11 +147,11 @@
         "nixpkgs": "nixpkgs_5"
       },
       "locked": {
-        "lastModified": 1701522423,
-        "narHash": "sha256-V5TQ/1loQnegDjfLh61DxBWEQZivYEBq2kQpT0fn2cQ=",
+        "lastModified": 1702567580,
+        "narHash": "sha256-lmO5UWwCyFD1WhwHru6Xb0zSRBGcIyqhyX3vVSGNTR0=",
         "owner": "viperML",
         "repo": "nh",
-        "rev": "375c6cf57de3a839b7937358659bea526da27eae",
+        "rev": "bd225f25992098122d83b28579a710d4181e0008",
         "type": "github"
       },
       "original": {
@@ -227,11 +227,11 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1702148972,
-        "narHash": "sha256-h2jODFP6n+ABrUWcGRSVPRFfLOkM9TJ2pO+h+9JcaL0=",
+        "lastModified": 1702777222,
+        "narHash": "sha256-/SYmqgxTYzqZnQEfbOCHCN4GzqB9uAIsR9IWLzo0/8I=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b8f33c044e51de6dde3ad80a9676945e0e4e3227",
+        "rev": "a19a71d1ee93226fd71984359552affbc1cd3dc3",
         "type": "github"
       },
       "original": {
@@ -243,11 +243,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1697915759,
-        "narHash": "sha256-WyMj5jGcecD+KC8gEs+wFth1J1wjisZf8kVZH13f1Zo=",
+        "lastModified": 1702272962,
+        "narHash": "sha256-D+zHwkwPc6oYQ4G3A1HuadopqRwUY/JkMwHz1YF7j4Q=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "51d906d2341c9e866e48c2efcaac0f2d70bfd43e",
+        "rev": "e97b3e4186bcadf0ef1b6be22b8558eab1cdeb5d",
         "type": "github"
       },
       "original": {
@@ -259,11 +259,11 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1701718080,
-        "narHash": "sha256-6ovz0pG76dE0P170pmmZex1wWcQoeiomUZGggfH9XPs=",
+        "lastModified": 1702312524,
+        "narHash": "sha256-gkZJRDBUCpTPBvQk25G0B7vfbpEYM5s5OZqghkjZsnE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "2c7f3c0fb7c08a0814627611d9d7d45ab6d75335",
+        "rev": "a9bf124c46ef298113270b1f84a164865987a91c",
         "type": "github"
       },
       "original": {
@@ -322,11 +322,11 @@
     },
     "nixpkgs_7": {
       "locked": {
-        "lastModified": 1702151865,
-        "narHash": "sha256-9VAt19t6yQa7pHZLDbil/QctAgVsA66DLnzdRGqDisg=",
+        "lastModified": 1702312524,
+        "narHash": "sha256-gkZJRDBUCpTPBvQk25G0B7vfbpEYM5s5OZqghkjZsnE=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "666fc80e7b2afb570462423cb0e1cf1a3a34fedd",
+        "rev": "a9bf124c46ef298113270b1f84a164865987a91c",
         "type": "github"
       },
       "original": {
@@ -338,11 +338,11 @@
     },
     "nixpkgs_8": {
       "locked": {
-        "lastModified": 1702029940,
-        "narHash": "sha256-qM3Du0perpLesh5hr87mVPZ79McMUKIWUH7EQMh2kWo=",
+        "lastModified": 1702539185,
+        "narHash": "sha256-KnIRG5NMdLIpEkZTnN5zovNYc0hhXjAgv6pfd5Z4c7U=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e9ef8a102c555da4f8f417fe5cf5bd539d8a38b7",
+        "rev": "aa9d4729cbc99dabacb50e3994dcefb3ea0f7447",
         "type": "github"
       },
       "original": {
@@ -371,11 +371,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1702177193,
-        "narHash": "sha256-J2409SyXROoUHYXVy9h4Pj0VU8ReLuy/mzBc9iK4DBg=",
+        "lastModified": 1702782046,
+        "narHash": "sha256-TBmAZPuraG8cHP6QgNZc6UqP0ezARVZonc5/WqjIS6s=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "d806e546f96c88cd9f7d91c1c19ebc99ba6277d9",
+        "rev": "097f8214883547417cd234c6fbcdb54e8093c8ed",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index c0f1e10..e9c0309 100644
--- a/flake.nix
+++ b/flake.nix
@@ -29,14 +29,14 @@
               ({ pkgs, ... }: {
                 networking.hostName = instance;
                 nix = {
-                  binaryCaches = [ "https://mirrors.tuna.tsinghua.edu.cn/nix-channels/store" ];
                   gc = {
                     automatic = true;
                     options = "--delete-older-than 30d";
                   };
                   settings = {
-                    experimental-features = [ "nix-command" "flakes" ];
                     auto-optimise-store = true;
+                    experimental-features = [ "nix-command" "flakes" ];
+                    trusted-substituters = [ "https://mirrors.tuna.tsinghua.edu.cn/nix-channels/store" ];
                   };
                 };
                 nixpkgs = {
diff --git a/linux/comet/default.nix b/linux/comet/default.nix
index 8b64bba..9370739 100644
--- a/linux/comet/default.nix
+++ b/linux/comet/default.nix
@@ -2,7 +2,6 @@
 
 {
   imports = with inputs; [
-    disko.nixosModules.disko
     hardware.nixosModules.common-cpu-intel
   ] ++ [
     ./configuration.nix