diff --git a/hosts/nixos/garp/configuration.nix b/hosts/nixos/garp/configuration.nix
index cb7be24..bf7c387 100644
--- a/hosts/nixos/garp/configuration.nix
+++ b/hosts/nixos/garp/configuration.nix
@@ -8,17 +8,14 @@
     "riscv64-linux"
   ];
 
-  /** /
-  services.xserver.displayManager.autoLogin.enable = true;
-  services.xserver.displayManager.autoLogin.user = "pbsds";
-  # tmp: https://github.com/NixOS/nixpkgs/issues/103746#issuecomment-945091229
-  systemd.services."getty@tty1".enable = false;
-  systemd.services."autovt@tty1".enable = false;
-
   #boot.kernelPackages = pkgs.linuxPackages_latest;
   #hardware.nvidia.package = config.boot.kernelPackages.nvidiaPackages.latest;
   #hardware.nvidia.modesetting.enable = false; # makes atom behave, but mpv refuses to start
 
+  # The open source driver does not support Pascal GPUs (1080)
+  # https://github.com/NixOS/nixos-hardware/blob/master/common/gpu/nvidia/pascal/default.nix
+  hardware.nvidia.open = false;
+
   # PRIME: (lspci)
   #hardware.nvidia.prime.intelBusId  = "PCI:0:02:0";
   #hardware.nvidia.prime.nvidiaBusId = "PCI:1:00:0";
diff --git a/hosts/nixos/sopp/configuration.nix b/hosts/nixos/sopp/configuration.nix
index effac29..57ffad3 100644
--- a/hosts/nixos/sopp/configuration.nix
+++ b/hosts/nixos/sopp/configuration.nix
@@ -17,6 +17,10 @@
   #hardware.nvidia.modesetting.enable = false; # makes atom behave, but mpv refuses to start
   hardware.nvidia.package = config.boot.kernelPackages.nvidiaPackages.beta;
 
+  # The open source driver does not support Pascal GPUs (1080)
+  # https://github.com/NixOS/nixos-hardware/blob/master/common/gpu/nvidia/pascal/default.nix
+  hardware.nvidia.open = false;
+
   # PRIME: (lspci)
   #hardware.nvidia.prime.intelBusId  = "PCI:0:02:0";
   #hardware.nvidia.prime.nvidiaBusId = "PCI:1:00:0";