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Unremovable EffectsMinecraft mod for 1.21.1

Makes selected status effects unremovable with Milk Bucket and lets you select items that should remove selected status effects

server onlynewest supported 1.21.1UtilityLibrary
Latest version
2.2.1+1.21
Minecraft
1.20 to 1.21.1
Java
Java 21+
Loader
Fabric
Licence
MIT
Downloads
9.2k
Updated
4 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Unremovable Effects servers

One click and Unremovable Effects is installed with the right loader, on hardware built for it.

  • 1.21.1
  • Fabric
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Unremovable Effects declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Fabric21+declared8 Aug 2024
1.21Fabric21+declared13 Jun 2024
1.20.2Fabric17+declared20 Sept 2023
1.20.1Fabric17+declared12 Jun 2023
1.20Fabric17+declared2 Jun 2023

Download

From Unremovable Effects’s own host. Nothing is re-hosted here.

2.2.1+1.21release18 May 2026

unremovableeffects-2.2.1+1.21.jar · 30 KB · for 1.21.1, 1.21

Download latest
09cbbd9bffc9…
Older versions6
  • 2.2.0+1.2114 Aug 20251.21.1, 1.2127 KB1.3k downloads8d362a60876f…Get
  • 1.2.0+1.2014 Aug 20251.20.1, 1.200.2 MB1.7k downloadsa42710a27fe6…Get
  • 2.1.2+1.219 Nov 20241.21.1, 1.2120 KB1.5k downloads36dc04b6ac13…Get
  • 1.1.2+1.209 Nov 20241.20.2, 1.20.1, 1.200.2 MB4.1k downloadsdda106e6c5dd…Get
  • 2.1.1+1.219 Oct 20241.21.1, 1.2118 KB266 downloadsfa71525fa35f…Get
  • 1.1.1+1.209 Oct 20241.20.2, 1.20.1, 1.2018 KB240 downloads0ed195004f6c…Get

Frequently asked

Does Unremovable Effects work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Unremovable Effects declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does Unremovable Effects support?

Everything the author has declared, from 1.20 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Unremovable Effects on the client or the server?

The server only. Players join with an ordinary Minecraft client and install nothing.

Which platform or loader does Unremovable Effects support?

Fabric. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Unremovable Effects?

On the newest Minecraft version it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is Unremovable Effects under?

MIT, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Unremovable Effects?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Unremovable Effects safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Details from Modrinth, where the author last updated it on 18 May 2026. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .