diff --git a/flake.nix b/flake.nix
index 600276b..2852ba2 100755
--- a/flake.nix
+++ b/flake.nix
@@ -54,6 +54,11 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    apple-firmware = {
+      url = "git+https://code.youwen.dev/youwen5/apple-firmware";
+      flake = false;
+    };
+
     spicetify = {
       url = "github:Gerg-L/spicetify-nix";
       inputs.nixpkgs.follows = "nixpkgs";
diff --git a/hosts/callisto/configuration.nix b/hosts/callisto/configuration.nix
index 1956fdb..fa50631 100755
--- a/hosts/callisto/configuration.nix
+++ b/hosts/callisto/configuration.nix
@@ -18,7 +18,7 @@
   boot.loader.efi.canTouchEfiVariables = false;
 
   hardware.asahi = {
-    peripheralFirmwareDirectory = ./firmware;
+    peripheralFirmwareDirectory = "${inputs.apple-firmware}/firmware"
     useExperimentalGPUDriver = true;
     experimentalGPUInstallMode = "overlay";
   };
diff --git a/hosts/callisto/firmware/all_firmware.tar.gz b/hosts/callisto/firmware/all_firmware.tar.gz
deleted file mode 100755
index b0687dc..0000000
Binary files a/hosts/callisto/firmware/all_firmware.tar.gz and /dev/null differ
diff --git a/hosts/callisto/firmware/kernelcache.release.mac13j b/hosts/callisto/firmware/kernelcache.release.mac13j
deleted file mode 100755
index 71881bf..0000000
Binary files a/hosts/callisto/firmware/kernelcache.release.mac13j and /dev/null differ