No Wither
This Mod simply makes it impossible to spawn Withers.
About this Mod
No Wither
Are your Players griefing your entire Server with Withers?
With this Mod you can disable the spawning of Wither. So your Server can remain free of these Monster from Hell.
Other Mods may still be able to summon Wither, because only the Vanilla way is removed.
Available Versions
How to Install No Wither on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.5).
Install Mod
Open the mod browser in the dashboard and search for "No Wither". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.5, 1.21.4, 1.21.3 (+5 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
No Wither server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.5). You can switch loaders with one click in the panel.
Is No Wither compatible with fabric and quilt?
No Wither officially supports fabric, quilt for Minecraft 1.21.5, 1.21.4, 1.21.3. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with No Wither – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if No Wither consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install No Wither with just one click on your server.