diff --git a/flake.lock b/flake.lock
index 71d9a0d..999dfd1 100644
--- a/flake.lock
+++ b/flake.lock
@@ -61,8 +61,7 @@
         "rpi-linux-6_12_11-src": "rpi-linux-6_12_11-src",
         "rpi-linux-6_6_67-src": "rpi-linux-6_6_67-src",
         "rpi-linux-stable-src": "rpi-linux-stable-src",
-        "rpicam-apps-src": "rpicam-apps-src",
-        "u-boot-src": "u-boot-src"
+        "rpicam-apps-src": "rpicam-apps-src"
       }
     },
     "rpi-bluez-firmware-src": {
@@ -183,19 +182,6 @@
         "repo": "rpicam-apps",
         "type": "github"
       }
-    },
-    "u-boot-src": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1719857238,
-        "narHash": "sha256-mJ2TBy0Y5ZtcGFgtU5RKr0UDUp5FWzojbFb+o/ebRJU=",
-        "type": "tarball",
-        "url": "https://ftp.denx.de/pub/u-boot/u-boot-2024.07.tar.bz2"
-      },
-      "original": {
-        "type": "tarball",
-        "url": "https://ftp.denx.de/pub/u-boot/u-boot-2024.07.tar.bz2"
-      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 1668198..8ede62a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,10 +3,6 @@
 
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
-    u-boot-src = {
-      flake = false;
-      url = "https://ftp.denx.de/pub/u-boot/u-boot-2024.07.tar.bz2";
-    };
     rpi-linux-stable-src = {
       flake = false;
       url = "github:raspberrypi/linux/stable_20241008";
diff --git a/overlays/default.nix b/overlays/default.nix
index 1ad69a6..83ef91f 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -1,5 +1,4 @@
-{ u-boot-src
-, rpi-linux-stable-src
+{ rpi-linux-stable-src
 , rpi-linux-6_6_67-src
 , rpi-linux-6_12_11-src
 , rpi-firmware-src
@@ -83,14 +82,10 @@ in
   compressFirmwareZstd = x: x;
 
   # provide generic rpi arm64 u-boot
-  uboot-rpi-arm64 = final.buildUBoot rec {
+  uboot-rpi-arm64 = final.buildUBoot {
     defconfig = "rpi_arm64_defconfig";
     extraMeta.platforms = [ "aarch64-linux" ];
     filesToInstall = [ "u-boot.bin" ];
-    version = "2024.04";
-    patches = [ ];
-    makeFlags = [ ];
-    src = u-boot-src;
     # In raspberry pi sbcs the firmware manipulates the device tree in
     # a variety of ways before handing it off to the linux kernel. [1]
     # Since we have installed u-boot in place of a linux kernel we may