Claude Code Creator Boris Cherny Advises Deleting CLAUDE.md for Better Precision

Boris Cherny says Claude Code works better when developers delete outdated CLAUDE.md files and keep setups simple and explicit.

He recommends rewriting system prompts regularly and using structured configuration to reduce ambiguity and improve output quality.

The article also covers Claude Code’s dynamic workflows, heavy resource demands, and security risks such as prompt injection.

The main takeaway is that cleaning up stale instructions and managing prompts adaptively can make AI coding results more reliable.