Fix compilation error.

flake.lock

@@ -545,22 +545,6 @@
         "type": "indirect"
       }
     },
-    "nixpkgs_3": {
-      "locked": {
-        "lastModified": 1748460289,
-        "narHash": "sha256-7doLyJBzCllvqX4gszYtmZUToxKvMUrg45EUWaUYmBg=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "96ec055edbe5ee227f28cdbc3f1ddf1df5965102",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "nixverse": {
       "inputs": {
         "nix-darwin": "nix-darwin",
@@ -634,7 +618,9 @@
         "git-hooks": "git-hooks",
         "gnome-shell": "gnome-shell",
         "home-manager": "home-manager",
-        "nixpkgs": "nixpkgs_3",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
         "nur": "nur",
         "systems": "systems",
         "tinted-foot": "tinted-foot",