diff --git a/flake.nix b/flake.nix
index d6a4169..b9aa43e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -49,13 +49,9 @@
 		self,
 		...}@inputs:
 	let
-		pkg-sets = final: prev: {
-			nix23_05 = import inputs.nix23_05 { system = final.system; inherit overlays; };
-		};
 		local_overlay = import ./overlays;
 		overlays = [
 			agenix.overlays.default
-			pkg-sets
 			local_overlay
 			nurpkgs.overlay
 		];
diff --git a/home/hosts/ivr/default.nix b/home/hosts/ivr/default.nix
index 15f6edd..1d6d7dd 100644
--- a/home/hosts/ivr/default.nix
+++ b/home/hosts/ivr/default.nix
@@ -1,6 +1,10 @@
 { pkgs, lib, inputs, ...}:
 let
-	py = pkgs.nix23_05.python311.withPackages ( p: with p; [
+	nix23 = import inputs.nix23_05 {
+		inherit (pkgs.stdenv) system;
+		overlays = [ inputs.self.overlays.default ];
+	};
+	py = nix23.python311.withPackages ( p: with p; [
 		django
 		djangorestframework
 		django-rapyd-modernauth
@@ -10,6 +14,12 @@ let
 		ruamel-yaml
 		tox
 	]);
+	x = pkgs.xonsh.override {
+		extraPackages = (ps: [
+			pkgs.nur.repos.xonsh-xontribs.xonsh-direnv
+			pkgs.nur.repos.xonsh-xontribs.xontrib-vox
+		]);
+	};
 in {
 	greg = {
 		development = true;
@@ -26,6 +36,7 @@ in {
 			insomnia
 			pipenv-ivr
 			poetry
+			x
 		];
 		file.".pip/pip.conf".text = (lib.strings.concatStringsSep "\n" [
 			"[global]"