diff --git a/nxp/imx8mp-evk/bsp/imx8mp-uboot.nix b/nxp/imx8mp-evk/bsp/imx8mp-uboot.nix
index d890c1e..c542af2 100644
--- a/nxp/imx8mp-evk/bsp/imx8mp-uboot.nix
+++ b/nxp/imx8mp-evk/bsp/imx8mp-uboot.nix
@@ -1,19 +1,57 @@
-{pkgs}:
-with pkgs; let
-  inherit buildUBoot;
-in
-  (buildUBoot {
-    pname = "imx8mp-uboot";
-    version = "2023.04";
-
-    src = fetchgit {
+{ stdenv
+, lib
+, bison
+, dtc
+, fetchgit
+, flex
+, gnutls
+, libuuid
+, ncurses
+, openssl
+, which
+, perl
+, buildPackages
+}:
+let
+  ubsrc = fetchgit {
       url = "https://github.com/nxp-imx/uboot-imx.git";
       # tag: "lf-6.1.55-2.2.0"
       rev = "49b102d98881fc28af6e0a8af5ea2186c1d90a5f";
       sha256 = "sha256-1j6X82DqezEizeWoSS600XKPNwrQ4yT0vZuUImKAVVA=";
     };
+in
+  (stdenv.mkDerivation {
+    pname = "imx8mp-uboot";
+    version = "2023.04";
+    src = ubsrc;
 
-    extraConfig = ''
+    postPatch = ''
+      patchShebangs tools
+      patchShebangs scripts
+    '';
+
+    nativeBuildInputs = [
+      bison
+      flex
+      openssl
+      which
+      ncurses
+      libuuid
+      gnutls
+      openssl
+      perl
+    ];
+
+    depsBuildBuild = [ buildPackages.stdenv.cc ];
+    hardeningDisable = [ "all" ];
+    enableParallelBuilding = true;
+
+    makeFlags = [
+      "DTC=${lib.getExe buildPackages.dtc}"
+      "CROSS_COMPILE=${stdenv.cc.targetPrefix}"
+    ];
+
+  	extraConfig = ''
       CONFIG_USE_BOOTCOMMAND=y
       CONFIG_BOOTCOMMAND="setenv ramdisk_addr_r 0x45000000; setenv fdt_addr_r 0x44000000; run distro_bootcmd; "
       CONFIG_CMD_BOOTEFI_SELFTEST=y
@@ -25,17 +63,28 @@ in
       CONFIG_CMD_CACHE=y
     '';
 
-    enableParallelBuilding = true;
-    defconfig = "imx8mp_evk_defconfig";
-    extraMeta.platforms = ["aarch64-linux"];
+    passAsFile = [ "extraConfig" ];
 
-    filesToInstall = [
-      "./u-boot-nodtb.bin"
-      "./spl/u-boot-spl.bin"
-      "./arch/arm/dts/imx8mp-evk.dtb"
-      ".config"
-    ];
-  })
-  .overrideAttrs (old: {
-    nativeBuildInputs = old.nativeBuildInputs ++ [pkgs.perl];
+    configurePhase = ''
+      runHook preConfigure
+
+      make imx8mp_evk_defconfig
+      cat $extraConfigPath >> .config
+
+      runHook postConfigure
+    '';
+
+    installPhase = ''
+      runHook preInstall
+
+      mkdir -p $out
+      cp ./u-boot-nodtb.bin $out
+      cp ./spl/u-boot-spl.bin $out
+      cp ./arch/arm/dts/imx8mp-evk.dtb $out
+      cp .config  $out
+
+      runHook postInstall
+    '';
+
+    dontStrip = true;
   })
diff --git a/nxp/imx8mq-evk/bsp/imx8mq-uboot.nix b/nxp/imx8mq-evk/bsp/imx8mq-uboot.nix
index 0b2b05b..fbbf92a 100644
--- a/nxp/imx8mq-evk/bsp/imx8mq-uboot.nix
+++ b/nxp/imx8mq-evk/bsp/imx8mq-uboot.nix
@@ -1,19 +1,57 @@
-{pkgs}:
-with pkgs; let
-  inherit buildUBoot;
-in
-  (buildUBoot {
-    pname = "imx8mq-uboot";
-    version = "2023.04";
-
-    src = fetchgit {
+{ stdenv
+, lib
+, bison
+, dtc
+, fetchgit
+, flex
+, gnutls
+, libuuid
+, ncurses
+, openssl
+, which
+, perl
+, buildPackages
+}:
+let
+  ubsrc = fetchgit {
       url = "https://github.com/nxp-imx/uboot-imx.git";
       # tag: "lf-6.1.55-2.2.0"
       rev = "49b102d98881fc28af6e0a8af5ea2186c1d90a5f";
       sha256 = "sha256-1j6X82DqezEizeWoSS600XKPNwrQ4yT0vZuUImKAVVA=";
     };
+in
+  (stdenv.mkDerivation {
+    pname = "imx8mq-uboot";
+    version = "2023.04";
+    src = ubsrc;
 
-    extraConfig = ''
+    postPatch = ''
+      patchShebangs tools
+      patchShebangs scripts
+    '';
+
+    nativeBuildInputs = [
+      bison
+      flex
+      openssl
+      which
+      ncurses
+      libuuid
+      gnutls
+      openssl
+      perl
+    ];
+
+    depsBuildBuild = [ buildPackages.stdenv.cc ];
+    hardeningDisable = [ "all" ];
+    enableParallelBuilding = true;
+
+    makeFlags = [
+      "DTC=${lib.getExe buildPackages.dtc}"
+      "CROSS_COMPILE=${stdenv.cc.targetPrefix}"
+    ];
+
+  	extraConfig = ''
       CONFIG_USE_BOOTCOMMAND=y
       CONFIG_BOOTCOMMAND="setenv ramdisk_addr_r 0x45000000; setenv fdt_addr_r 0x44000000; run distro_bootcmd; "
       CONFIG_CMD_BOOTEFI_SELFTEST=y
@@ -25,17 +63,28 @@ in
       CONFIG_CMD_CACHE=y
     '';
 
-    enableParallelBuilding = true;
-    defconfig = "imx8mq_evk_defconfig";
-    extraMeta.platforms = ["aarch64-linux"];
+    passAsFile = [ "extraConfig" ];
 
-    filesToInstall = [
-      "./u-boot-nodtb.bin"
-      "./spl/u-boot-spl.bin"
-      "./arch/arm/dts/imx8mq-evk.dtb"
-      ".config"
-    ];
-  })
-  .overrideAttrs (old: {
-    nativeBuildInputs = old.nativeBuildInputs ++ [pkgs.perl];
+    configurePhase = ''
+      runHook preConfigure
+
+      make imx8mq_evk_defconfig
+      cat $extraConfigPath >> .config
+
+      runHook postConfigure
+    '';
+
+    installPhase = ''
+      runHook preInstall
+
+      mkdir -p $out
+      cp ./u-boot-nodtb.bin $out
+      cp ./spl/u-boot-spl.bin $out
+      cp ./arch/arm/dts/imx8mq-evk.dtb $out
+      cp .config  $out
+
+      runHook postInstall
+    '';
+
+    dontStrip = true;
   })