diff --git a/modules/nixos/programs/gaming.nix b/modules/nixos/programs/gaming.nix
index 9f72177..f363e35 100755
--- a/modules/nixos/programs/gaming.nix
+++ b/modules/nixos/programs/gaming.nix
@@ -1,11 +1,6 @@
 { inputs, config, pkgs, ... }:
 
-let
-  nixpkgs-unstable = import inputs.nixpkgs-unstable {
-    system = "${pkgs.system}";
-    config.allowUnfree = true;
-  };
-in {
+{
   programs = {
     gamemode.enable = true; # performance tuning for games
     steam = {
@@ -19,7 +14,7 @@ in {
       # Change Java runtimes available to Prism Launcher
       jdks = [
         jdk8
-        nixpkgs-unstable.graalvmPackages.graalvm-oracle_17
+        graalvmPackages.graalvm-oracle_17
         inputs.nixpkgs-pin.legacyPackages.${pkgs.system}.graalvm-ce
       ];
     })
diff --git a/modules/nixos/services/gameserver/minecraft-server.nix b/modules/nixos/services/gameserver/minecraft-server.nix
index 46767a7..bee7573 100644
--- a/modules/nixos/services/gameserver/minecraft-server.nix
+++ b/modules/nixos/services/gameserver/minecraft-server.nix
@@ -18,17 +18,11 @@
     groups.minecraft = {};
   };
 
-  environment.systemPackages =
-  let
-    nixpkgs-unstable = import inputs.nixpkgs-unstable {
-      system = "${pkgs.system}";
-      config.allowUnfree = true;
-    };
-  in [
+  environment.systemPackages = [
     # to control the interactive server console
     pkgs.screen
 
-    nixpkgs-unstable.graalvmPackages.graalvm-oracle_17
+    pkgs.graalvmPackages.graalvm-oracle_17
     inputs.nixpkgs-pin.legacyPackages.${pkgs.system}.graalvm-ce
   ];