diff --git a/nix-system-configs/modules/system/minecraft.nix b/nix-system-configs/modules/system/minecraft.nix
index 7e945e7..f6cbd9c 100644
--- a/nix-system-configs/modules/system/minecraft.nix
+++ b/nix-system-configs/modules/system/minecraft.nix
@@ -75,27 +75,12 @@ in {
         autoStart = true;
         restart = "always";
 
-        package = pkgs.neoforgeServers.neoforge;
+        package = pkgs.neoforgeServers.neoforge-1_21_1-21_1_224;
 
         jvmOpts = lib.concatStringsSep " " [
           "-Xms28G"
           # Use 120GB of RA
           "-Xmx32G"
-
-          "-XX:+UseG1GC"
-          "-XX:+ParallelRefProcEnabled"
-          "-XX:MaxGCPauseMillis=80"
-          "-XX:+UnlockExperimentalVMOptions"
-          "-XX:+DisableExplicitGC"
-          "-XX:+AlwaysPreTouch"
-          "-XX:G1NewSizePercent=30"
-          "-XX:G1MaxNewSizePercent=50"
-          "-XX:G1HeapRegionSize=16M"
-          "-XX:G1ReservePercent=20"
-          "-XX:G1MixedGCCountTarget=4"
-          "-XX:InitiatingHeapOccupancyPercent=15"
-          "-XX:G1MixedGCLiveThresholdPercent=90"
-          "-XX:G1RSetUpdatingPauseTimePercent=5"
         ];
 
         serverProperties = {