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ItemClearLagMinecraft mod for 1.21.11

ItemClearLag (ICL) is a Minecraft mod designed to improve server performance by periodically removing items from the ground.

server onlynewest supported 1.21.11UtilityOptimization
Latest version
1.5.4a
Minecraft
1.19.2 to 1.21.11
Java
Java 21+
Loaders
NeoForge, Forge, Fabric
Licence
MIT
Downloads
46.8k
Updated
3 mo ago
Available on
Modrinth
Space NodeOur hosting

Host ItemClearLag servers

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

  • 1.21.11
  • NeoForge
  • Forge
  • Fabric
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.11NeoForge, Forge, Fabric21+declared9 Dec 2025
1.21.8Fabric, NeoForge, Forge21+declared17 Jul 2025
1.21.7Forge, NeoForge, Fabric21+declared30 Jun 2025
1.21.6Forge, NeoForge, Fabric21+declared17 Jun 2025
1.21.5Forge, NeoForge, Fabric21+declared25 Mar 2025
1.21.4Fabric, Forge, NeoForge21+declared3 Dec 2024
1.21.3NeoForge, Forge, Fabric21+declared23 Oct 2024
1.21.2Fabric, NeoForge, Forge21+declared22 Oct 2024
1.21.1Fabric, NeoForge, Forge21+declared8 Aug 2024
1.21NeoForge, Forge, Fabric21+declared13 Jun 2024
1.20.1Fabric, NeoForge, Forge17+declared12 Jun 2023
1.19.2NeoForge, Forge, Fabric17+declared5 Aug 2022

Download

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

1.5.4arelease3 Jul 2026

ICL-1.21.11-neoforge-1.5.4a.jar · 37 KB · for 1.21.11

Download latest
e7938c410ff4…
Older versions20
  • 1.5.3b11 Apr 20261.21.1140 KB6.7k downloads9bbb05c4d0fd…Get
  • 1.5.312 Sept 20251.21.8, 1.21.7, 1.21.638 KB499 downloads1ca9f0885a71…Get
  • 1.5.3a30 Aug 20251.19.238 KB1.7k downloads0568333e589a…Get
  • 1.5.22 Jul 20251.21.540 KB394 downloads7c1140f0c5b2…Get
  • 1.5.2-1.21.27 Jan 20251.21.4, 1.21.3, 1.21.235 KB1.0k downloadsb778bfe1b4bf…Get
  • 1.5.2-1.217 Jan 20251.21.1, 1.2136 KB1.8k downloads49d00d7408f9…Get
  • 1.5.2-1.20.17 Jan 20251.20.136 KB1.3k downloads6a8b2e0b0243…Get
  • 1.5.2-1.19.27 Jan 20251.19.236 KB156 downloads8405ce2ce11f…Get
  • 1.5.1-1.2110 Aug 20241.21.1, 1.2135 KB1.2k downloads21ce00108d2d…Get
  • 1.5.1-1.20.110 Aug 20241.20.135 KB8.7k downloads0e518aff3b6d…Get
  • 1.5.1-1.19.210 Aug 20241.19.235 KB211 downloads1ee525861760…Get
  • 1.5-1.218 Aug 20241.2135 KB138 downloadsfb2f6858c916…Get
  • 1.5-1.20.18 Aug 20241.20.135 KB93 downloads144bd4a720af…Get
  • 1.5-1.19.28 Aug 20241.19.235 KB66 downloads7a8f4df042d2…Get
  • 1.4-1.2115 Jul 20241.2133 KB237 downloads0b393a92803c…Get
  • 1.4-1.20.115 Jul 20241.20.133 KB335 downloadse1cbd787510c…Get
  • 1.4-1.19.215 Jun 20241.19.234 KB123 downloadscf3b4136edcf…Get
  • 1.3-1.19.26 May 20241.19.232 KB113 downloads081bf5f33409…Get
  • 1.2-1.19.221 Apr 20241.19.231 KB147 downloadsd839cb591363…Get
  • 1.1-1.19.211 Apr 20241.19.229 KB134 downloads50f14e2d4597…Get

Frequently asked

Does ItemClearLag work on Minecraft 1.21.11?

Yes. 1.21.11 is the newest Minecraft version ItemClearLag 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 ItemClearLag support?

Everything the author has declared, from 1.19.2 up to 1.21.11. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install ItemClearLag on the client or the server?

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

Which platform or loader does ItemClearLag support?

NeoForge, Forge, 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 ItemClearLag?

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 ItemClearLag 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 ItemClearLag?

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 ItemClearLag 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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Last checked 2 mo ago against Modrinth. 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? .