diff --git a/machines/ray/configuration.nix b/machines/ray/configuration.nix
index c140442..03e54b1 100644
--- a/machines/ray/configuration.nix
+++ b/machines/ray/configuration.nix
@@ -24,7 +24,7 @@ in
   efi.enable = true;
 
   boot.initrd.luks.devices."enc-pv" = {
-    device = "/dev/disk/by-uuid/d71ebe1f-7c49-454d-b28b-1dc54cf280e5";
+    device = "/dev/disk/by-uuid/c1822e5f-4137-44e1-885f-954e926583ce";
     allowDiscards = true;
   };
 
@@ -32,11 +32,6 @@ in
 
   hardware.enableAllFirmware = true;
 
-  boot.blacklistedKernelModules = [ "btusb" ];
-
-  # fix backlight
-  boot.kernelParams = [ "amdgpu.backlight=0" ];
-
   # newer kernel for wifi
   boot.kernelPackages = pkgs.linuxKernel.packages.linux_5_15;
 
diff --git a/machines/ray/hardware-configuration.nix b/machines/ray/hardware-configuration.nix
index b92a90e..5a91ad8 100644
--- a/machines/ray/hardware-configuration.nix
+++ b/machines/ray/hardware-configuration.nix
@@ -14,26 +14,28 @@
   boot.extraModulePackages = [ ];
 
   fileSystems."/" =
-    { device = "/dev/disk/by-uuid/4ba62b93-d30e-4638-b68f-c830e6edde48";
+    { device = "/dev/vg/root";
       fsType = "btrfs";
       options = [ "subvol=root" ];
     };
 
   fileSystems."/home" =
-    { device = "/dev/disk/by-uuid/4ba62b93-d30e-4638-b68f-c830e6edde48";
+    { device = "/dev/vg/root";
       fsType = "btrfs";
       options = [ "subvol=home" ];
     };
 
   fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/4CD3-6ED6";
+    { device = "/dev/disk/by-uuid/2C85-2B59";
       fsType = "vfat";
     };
 
   swapDevices =
-    [ { device = "/dev/disk/by-uuid/2aee96fd-5132-480f-a798-c6b87be2ffd9"; }
+    [ { device = "/dev/vg/swap"; }
     ];
 
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+
   # high-resolution display
   hardware.video.hidpi.enable = lib.mkDefault true;
 }