diff --git a/common/nixos.nix b/common/nixos.nix
index bb2f221..0882840 100644
--- a/common/nixos.nix
+++ b/common/nixos.nix
@@ -12,10 +12,7 @@
       lib.mkDefault config.hardware.enableRedistributableFirmware;
   };
 
-  nixpkgs = {
-    config.allowUnfree = true;
-    hostPlatform = lib.mkDefault "x86_64-linux";
-  };
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
 
   users = {
     defaultUserShell = pkgs.zsh;
diff --git a/hosts/greatyamada/services/minecraft/default.nix b/hosts/greatyamada/services/minecraft/default.nix
index 5e12c7e..868df3c 100644
--- a/hosts/greatyamada/services/minecraft/default.nix
+++ b/hosts/greatyamada/services/minecraft/default.nix
@@ -30,7 +30,6 @@ in {
   services.minecraft-servers = {
     enable = true;
     eula = true;
-    dataDir = "/mnt/ssd-01/minecraft";
     environmentFile = config.sops.templates."minecraft.env".path;
     managementSystem = {
       tmux.enable = false;
diff --git a/hosts/mizuki/nixos.nix b/hosts/mizuki/nixos.nix
index eabc478..034c5b2 100644
--- a/hosts/mizuki/nixos.nix
+++ b/hosts/mizuki/nixos.nix
@@ -20,6 +20,7 @@
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  nixpkgs.config.allowUnfree = true;
 
   programs.zsh.enable = true;
 
diff --git a/hosts/totsugeki/nixos/default.nix b/hosts/totsugeki/nixos/default.nix
index ceb7eeb..423fc5d 100644
--- a/hosts/totsugeki/nixos/default.nix
+++ b/hosts/totsugeki/nixos/default.nix
@@ -58,6 +58,8 @@
     ];
   };
 
+  nixpkgs.config.allowUnfree = true;
+
   fonts = {
     packages = with pkgs; [
       inter