diff --git a/flake.lock b/flake.lock
index 96bfbda..967b00e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -82,22 +82,6 @@
         "type": "github"
       }
     },
-    "nixpkgs-2311": {
-      "locked": {
-        "lastModified": 1701282334,
-        "narHash": "sha256-MxCVrXY6v4QmfTwIysjjaX0XUhqBbxTWWB4HXtDYsdk=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "057f9aecfb71c4437d2b27d3323df7f93c010b7e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "23.11",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "nixpkgs-2405": {
       "locked": {
         "lastModified": 1719838683,
@@ -199,7 +183,6 @@
         "flake-compat": "flake-compat",
         "intake": "intake",
         "intake-sources": "intake-sources",
-        "nixpkgs-2311": "nixpkgs-2311",
         "nixpkgs-2405": "nixpkgs-2405",
         "nixpkgs-2411": "nixpkgs-2411",
         "nixpkgs-backyard": "nixpkgs-backyard",
diff --git a/flake.nix b/flake.nix
index 6ef09fc..05f7781 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,6 +1,5 @@
 {
   inputs = {
-    nixpkgs-2311.url = "github:NixOS/nixpkgs/23.11";
     nixpkgs-2405.url = "github:NixOS/nixpkgs/nixos-24.05";
     nixpkgs-2411.url = "github:NixOS/nixpkgs/nixos-24.11";
     nixpkgs-backyard.url = "github:NixOS/nixpkgs/nixos-24.11";
@@ -24,7 +23,6 @@
 
   outputs = {
     self,
-    nixpkgs-2311,
     nixpkgs-2405,
     nixpkgs-2411,
     nixpkgs-backyard,