Code Poisoning in LLMs

⚡Workflows & Strategies

Friday, January 30, 2026

Users are observing that outdated documentation and dead code within Claude Code negatively impact the model's training and performance.

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@BidoClaudineiClaudinei Bido

Working with Claude Code for a while, I noticed something that really messes with LLMs: documentation poisoning and dead code poisoning. Outdated docs + dead code become training signals. The model trusts them and starts generating garbage. Clean codebases still matter.

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