Claude Code sessions erase after 30 days by default

Posted by markrogersjr on Wednesday June 17, 2026 @11:05AM
from the code.claude.com dept.

https://code.claude.com/docs/en/settings

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Re:Claude Code sessions erase after 30 days by default by markrogersjr on Wednesday June 17, 2026 @11:05AM (#48571537)

I've been using Claude Code heavily since January. I recently used the `ccusage` utility to measure my usage and noticed a drop after 30 days. It turns out that, by default, Claude Code erases your sessions after 30 days. You can fix this by bumping `cleanupPeriodDays` to a big number like 999999999 in your `config.json`.

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