diff --git a/nixos/flake.nix b/nixos/flake.nix
index 40eea8b7..f7a736d3 100644
--- a/nixos/flake.nix
+++ b/nixos/flake.nix
@@ -163,10 +163,6 @@
         pr = 434160; # git-sync-rs package
         hash = "sha256-0j0IcyHd7rE+MXc0SHu8UixW7Jbtzu1NnzSjEVeZmTA=";
       }
-      {
-        pr = 483705; # codex: 0.89.0 -> 0.92.0
-        hash = "sha256-ZaiuRfl7gei0AyjPvLJidP3qfIaNbrvKROhKwmoiE5o=";
-      }
       # claude-code
       # {
       #   pr = 464698;