diff --git a/hosts/build04/configuration.nix b/hosts/build04/configuration.nix
index 3391cd2..30c40b5 100644
--- a/hosts/build04/configuration.nix
+++ b/hosts/build04/configuration.nix
@@ -9,8 +9,6 @@
     inputs.self.nixosModules.remote-builder
   ];
 
-  nixpkgs.system = "aarch64-linux";
-
   # disable kvm/nixos-tests
   nix.settings.system-features = [ "big-parallel" ];