diff --git a/flake.nix b/flake.nix
index 0fbc741..9d4142f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -335,11 +335,6 @@
                   prev.callPackage "${patchedStableSrc}/pkgs/by-name/sy/syncstorage-rs/package.nix"
                     { };
               })
-              (final: prev: {
-                valkey = prev.valkey.overrideAttrs (_: {
-                  doCheck = false;
-                });
-              })
               # NOTE: systemd patch is applied via `systemd.package` in the module
               # list below, not via an overlay. An overlay replaces pkgs.systemd
               # for every consumer, which cascades through udev-check-hook and