diff --git a/hosts/thought/default.nix b/hosts/thought/default.nix
index cefffcb8..7690b085 100644
--- a/hosts/thought/default.nix
+++ b/hosts/thought/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, system, ... }:
+{ pkgs, ... }:
 {
   imports = [
     # Machine-specific configurations.
@@ -12,7 +12,6 @@
     ./services/prometheus.nix
     ./services/tailscale.nix
   ];
-  nixpkgs.hostPlatform.system = system;
   py = {
     profiles.server.enable = true;
     users.default.enable = true;