diff --git a/nixos/machines/adele.nix b/nixos/machines/adele.nix
index cbb75932..953b5112 100644
--- a/nixos/machines/adele.nix
+++ b/nixos/machines/adele.nix
@@ -9,21 +9,11 @@
     ../base.nix
   ];
 
-  nix = {
-    package = pkgs.nixUnstable;
-    extraOptions = ''
-      experimental-features = nix-command flakes ca-references
-    '';
-  };
-
   hardware.enableRedistributableFirmware = true;
 
   boot.initrd.availableKernelModules = [ "xhci_pci" "nvme" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
-  boot.kernelPackages = pkgs.linuxPackages_latest;
+  boot.kernelPackages = pkgs.linuxPackages_5_12;
 
-
-  hardware.opengl.extraPackages = [ pkgs.linuxPackages.nvidia_x11.out ];
-  hardware.opengl.extraPackages32 = [ pkgs.linuxPackages.nvidia_x11.lib32 ];
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];