diff --git a/overlays/default.nix b/overlays/default.nix
index 4d1c2fb0..309a8015 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -79,19 +79,6 @@ with final; {
 
   mlat-client = python3Packages.callPackage ./mlat-client.nix { };
 
-  nixVersions = prev.nixVersions // {
-    stable = (prev.nixVersions.stable.override { withAWS = false; }).overrideAttrs ({ patches ? [ ], ...}: {
-      patches = patches ++ [
-        # request compression
-        # TODO: drop with 23.11
-        (fetchpatch {
-          url = "https://github.com/NixOS/nix/pull/7712.patch";
-          sha256 = "sha256-mAx2h0/r7HayvTjMMxmewaD+L4OOB2gRJaQb3JEb0rk=";
-        })
-      ];
-    });
-  };
-
   openssh = prev.openssh.overrideAttrs (_: {
     # takes 30 minutes
     doCheck = false;