diff --git a/nix/apps/default.nix b/nix/apps/default.nix
index 1279045e..84837cf1 100644
--- a/nix/apps/default.nix
+++ b/nix/apps/default.nix
@@ -26,7 +26,7 @@ in
       os.program = "${self'.packages.nixos-rebuild}/bin/nixos-rebuild";
 
     } // lib.optionalAttrs pkgs.stdenv.isDarwin {
-      os.program = "${self'.packages.nix-darwin}/bin/darwin-rebuild";
+      os.program = "${inputs'.darwin.packages.default}/bin/darwin-rebuild";
     };
   };
 }
diff --git a/nix/packages/default.nix b/nix/packages/default.nix
index a9d714e9..2cdbc0c2 100644
--- a/nix/packages/default.nix
+++ b/nix/packages/default.nix
@@ -37,11 +37,6 @@
           inherit (pkgs.darwin.apple_sdk.frameworks) Foundation;
         };
 
-        nix-darwin = pkgs.callPackage ./nix-darwin.nix {
-          inherit nix;
-          inherit (inputs) darwin;
-        };
-
       } // pkgs.callPackages ./skk-jisyo.nix { };
     };
 }
diff --git a/nix/packages/nix-darwin.nix b/nix/packages/nix-darwin.nix
deleted file mode 100644
index 61c09291..00000000
--- a/nix/packages/nix-darwin.nix
+++ /dev/null
@@ -1,38 +0,0 @@
-{ lib, stdenv, runCommand, darwin, nix }:
-
-let
-  # Create a nix-darwin configuration that includes almost nothing other than
-  # nix-darwin itself.
-  tinyConfig = {
-    nix.package = nix;
-    documentation.info.enable = false;
-    programs.bash.enable = false;
-  };
-
-  tinyDarwin = darwin.lib.darwinSystem {
-    inherit (stdenv.hostPlatform) system;
-    modules = [ tinyConfig ];
-  };
-
-  tinySystem = tinyDarwin.system;
-in
-runCommand "nix-darwin"
-{
-  meta = {
-    description = "Command line tool for nix-darwin";
-    longDescription = ''
-      Provides command line tools from nix-darwin. This package is mainly useful
-      for bootstrapping nix-darwin.
-    '';
-    license = with lib.licenses; [ mit ];
-    homepage = "https://github.com/LnL7/nix-darwin";
-    platforms = lib.platforms.darwin;
-  };
-} ''
-  mkdir -p "$out/bin" "$out/share/man/man5"
-  ln -s "${tinySystem}/sw/bin/darwin-help" "$out/bin/darwin-help"
-  ln -s "${tinySystem}/sw/bin/darwin-option" "$out/bin/darwin-option"
-  ln -s "${tinySystem}/sw/bin/darwin-rebuild" "$out/bin/darwin-rebuild"
-  ln -s "${tinySystem}/sw/share/man/man5/configuration.nix.5" \
-    "$out/share/man/man5/configuration.nix.5"
-''