diff --git a/flake.nix b/flake.nix
index 3dc0539..444fc57 100644
--- a/flake.nix
+++ b/flake.nix
@@ -106,16 +106,6 @@
               vf2KernelPackages = pkgs.linuxPackagesFor vf2Kernel;
             }
             else {}
-          )
-          // (
-            if system == "aarch64-linux"
-            then rec {
-              rpi4Kernel = pkgs.callPackage ./linux/rpi {
-                kernelPatches = [];
-                rpiVersion = 4;
-              };
-            }
-            else {}
           );
 
         overlays = import ./overlays;
diff --git a/linux/rpi/default.nix b/linux/rpi/default.nix
deleted file mode 100644
index 5a333fa..0000000
--- a/linux/rpi/default.nix
+++ /dev/null
@@ -1,111 +0,0 @@
-{
-  stdenv,
-  lib,
-  buildPackages,
-  fetchFromGitHub,
-  perl,
-  buildLinux,
-  rpiVersion,
-  ...
-} @ args: let
-  # NOTE: raspberrypifw & raspberryPiWirelessFirmware should be updated with this
-  modDirVersion = "6.1.21";
-  source = builtins.fromJSON (builtins.readFile ./source.json);
-in
-  lib.overrideDerivation (buildLinux (args
-    // {
-      version = "${modDirVersion}-rp${toString rpiVersion}";
-      inherit modDirVersion;
-
-      src = fetchFromGitHub {
-        owner = "raspberrypi";
-        repo = "linux";
-        inherit (source) rev sha256;
-      };
-
-      defconfig =
-        {
-          "1" = "bcmrpi_defconfig";
-          "2" = "bcm2709_defconfig";
-          "3" =
-            if stdenv.hostPlatform.isAarch64
-            then "bcmrpi3_defconfig"
-            else "bcm2709_defconfig";
-          "4" = "bcm2711_defconfig";
-        }
-        .${toString rpiVersion};
-
-      features =
-        {
-          efiBootStub = false;
-        }
-        // (args.features or {});
-
-      extraConfig = ''
-        # ../drivers/gpu/drm/ast/ast_mode.c:851:18: error: initialization of 'void (*)(struct drm_crtc *, struct drm_atomic_state *)' from incompatible pointer type 'void (*)(struct drm_crtc *, struct drm_crtc_state *)' [-Werror=incompatible-pointer-types]
-        #   851 |  .atomic_flush = ast_crtc_helper_atomic_flush,
-        #       |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
-        # ../drivers/gpu/drm/ast/ast_mode.c:851:18: note: (near initialization for 'ast_crtc_helper_funcs.atomic_flush')
-        DRM_AST n
-        # ../drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'amdgpu_dm_atomic_commit_tail':
-        # ../drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:7757:4: error: implicit declaration of function 'is_hdr_metadata_different' [-Werror=implicit-function-declaration]
-        #  7757 |    is_hdr_metadata_different(old_con_state, new_con_state);
-        #       |    ^~~~~~~~~~~~~~~~~~~~~~~~~
-        DRM_AMDGPU n
-      '';
-
-      extraMeta =
-        if (rpiVersion < 3)
-        then {
-          platforms = with lib.platforms; arm;
-          hydraPlatforms = [];
-        }
-        else {
-          platforms = with lib.platforms; arm ++ aarch64;
-          hydraPlatforms = ["aarch64-linux"];
-        };
-    }
-    // (args.argsOverride or {}))) (oldAttrs: {
-    postConfigure = ''
-      # The v7 defconfig has this set to '-v7' which screws up our modDirVersion.
-      sed -i $buildRoot/.config -e 's/^CONFIG_LOCALVERSION=.*/CONFIG_LOCALVERSION=""/'
-      sed -i $buildRoot/include/config/auto.conf -e 's/^CONFIG_LOCALVERSION=.*/CONFIG_LOCALVERSION=""/'
-    '';
-
-    # Make copies of the DTBs named after the upstream names so that U-Boot finds them.
-    # This is ugly as heck, but I don't know a better solution so far.
-    postFixup =
-      ''
-        dtbDir=${
-          if stdenv.isAarch64
-          then "$out/dtbs/broadcom"
-          else "$out/dtbs"
-        }
-        rm $dtbDir/bcm283*.dtb
-        copyDTB() {
-          cp -v "$dtbDir/$1" "$dtbDir/$2"
-        }
-      ''
-      + lib.optionalString (lib.elem stdenv.hostPlatform.system ["armv6l-linux"]) ''
-        copyDTB bcm2708-rpi-zero-w.dtb bcm2835-rpi-zero.dtb
-        copyDTB bcm2708-rpi-zero-w.dtb bcm2835-rpi-zero-w.dtb
-        copyDTB bcm2708-rpi-b.dtb bcm2835-rpi-a.dtb
-        copyDTB bcm2708-rpi-b.dtb bcm2835-rpi-b.dtb
-        copyDTB bcm2708-rpi-b.dtb bcm2835-rpi-b-rev2.dtb
-        copyDTB bcm2708-rpi-b-plus.dtb bcm2835-rpi-a-plus.dtb
-        copyDTB bcm2708-rpi-b-plus.dtb bcm2835-rpi-b-plus.dtb
-        copyDTB bcm2708-rpi-b-plus.dtb bcm2835-rpi-zero.dtb
-        copyDTB bcm2708-rpi-cm.dtb bcm2835-rpi-cm.dtb
-      ''
-      + lib.optionalString (lib.elem stdenv.hostPlatform.system ["armv7l-linux"]) ''
-        copyDTB bcm2709-rpi-2-b.dtb bcm2836-rpi-2-b.dtb
-      ''
-      + lib.optionalString (lib.elem stdenv.hostPlatform.system ["armv7l-linux" "aarch64-linux"]) ''
-        copyDTB bcm2710-rpi-zero-2.dtb bcm2837-rpi-zero-2.dtb
-        copyDTB bcm2710-rpi-3-b.dtb bcm2837-rpi-3-b.dtb
-        copyDTB bcm2710-rpi-3-b-plus.dtb bcm2837-rpi-3-a-plus.dtb
-        copyDTB bcm2710-rpi-3-b-plus.dtb bcm2837-rpi-3-b-plus.dtb
-        copyDTB bcm2710-rpi-cm3.dtb bcm2837-rpi-cm3.dtb
-        copyDTB bcm2711-rpi-4-b.dtb bcm2838-rpi-4-b.dtb
-      '';
-  })
diff --git a/linux/rpi/source.json b/linux/rpi/source.json
deleted file mode 100644
index fe023bd..0000000
--- a/linux/rpi/source.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "url": "https://github.com/raspberrypi/linux",
-  "rev": "1dc23c4753f0d9705f845cc64139b6aa3b476809",
-  "date": "2023-03-29T13:11:23+01:00",
-  "path": "/nix/store/k024zc1iwhl4bz6gw9d5rrcz5rwd47yc-linux",
-  "sha256": "15wq37y4rhz0qpbdvpsjvzmsd7cb63mh3p1f27n6j043p89zhbyg",
-  "fetchLFS": false,
-  "fetchSubmodules": false,
-  "deepClone": false,
-  "leaveDotGit": false
-}