claude-code - 💡(How to fix) Fix [BUG] Cowork VM base image wastes ~3.2 GB on unused firmware, snaps, and duplicate packages — leaves only ~1.1 GB for user work [1 comments, 2 participants]

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anthropics/claude-code#47006Fetched 2026-04-13 05:43:59
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Error Message

Error Messages/Logs

Code Example

Claude says cowork workspace is full, need to clean
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Preflight Checklist

  • I have searched existing issues and this hasn't been reported yet
  • This is a single bug report (please file separate reports for different bugs)
  • I am using the latest version of Claude Code

What's Wrong?

  • Users see disk warnings on every new session even before doing any work

What Should Happen?

A fresh Cowork session should have at least 3-4 GB of free disk space for user work, not ~1.1 GB.

Error Messages/Logs

Claude says cowork workspace is full, need to clean

Steps to Reproduce

Just login

Claude Model

Opus

Is this a regression?

No, this never worked

Last Working Version

No response

Claude Code Version

Claude 1.1617.0 (8d6345) 2026-04-09T16:10:15.000Z

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

cowork_disk_bug_report.md

extent analysis

TL;DR

The issue can likely be mitigated by increasing the available disk space for the Cowork session or adjusting the disk space allocation settings.

Guidance

  • Verify the current disk space allocation for Cowork sessions to determine if it's set too low, causing the warnings.
  • Check the cowork_disk_bug_report.md for any specific details on disk usage patterns that might help identify the root cause.
  • Consider increasing the available disk space for Cowork sessions to meet the recommended 3-4 GB of free space.
  • Review the Claude Code configuration to see if there are any settings that can be adjusted to optimize disk space usage.

Example

No specific code snippet can be provided without more information on the Claude Code configuration and disk space allocation settings.

Notes

The issue seems to be related to the disk space allocation for Cowork sessions, but without more information on the configuration and settings, it's difficult to provide a more specific solution.

Recommendation

Apply workaround: Increase the available disk space for Cowork sessions to meet the recommended 3-4 GB of free space, as this is likely to mitigate the issue.

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