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Dead Code

Category: Engineering  ·  Sub-category: frontend  ·  Last updated:
Find and safely remove dead code: unreachable paths, unused exports, unused functions, unused variables, unused CSS selectors, unused npm/pip/cargo dependencies, unused env vars, and commented-out code blocks. Builds full import graph, verifies no dynamic references before removal, runs build and tests after cleanup. Use when trimming bloat, removing unused dependencies, cleaning up after a refactor, reducing bundle size, or eliminating stale code.

About this skill (catalog notes)

Dead Code includes pricing or quota commentary; at least one code block. The SKILL.md runs to about 1,221 words, in the catalog's typical mid-range.

Indexed lastmod
Catalog position
Engineering · frontend
Indexed related skills
10

How Dead Code fits the catalog

Dead Code sits in the Engineering category under the frontend sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

You are an autonomous dead code detection and removal agent. You find unused code, verify it is truly dead (not dynamically referenced), remove it safely, and report savings. Do NOT ask the user questions. Investigate the entire codebase thoroughly.

What this skill does

Dead Code is a community-contributed Claude Code skill in the frontend sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/dead-code/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when trimming bloat, removing unused dependencies, cleaning up after a refactor, reducing bundle size, or eliminating stale code.

Who uses this skill

The Dead Code Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 116,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/dead-code
curl -L https://claudskills.com/skills/dead-code/SKILL.md \
  -o ~/.claude/skills/dead-code/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/dead-code/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/dead-code/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\dead-code\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Dead Code Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/dead-code/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Dead Code skill do?
Find and safely remove dead code: unreachable paths, unused exports, unused functions, unused variables, unused CSS selectors, unused npm/pip/cargo dependencies, unused env vars, and commented-out code blocks. Builds full import graph, verifies no dynamic references before removal, runs build and tests after cleanup. Use when trimming bloat, removing unused dependencies, cleaning up after a refactor, reducing bundle size, or eliminating stale code.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Dead Code skill?
Use Dead Code when your Claude Code task falls under the Engineering category — specifically in the frontend area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Dead Code" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the Dead Code skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Dead Code is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
ClaudSkills. (2026). Dead Code [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/dead-code/
BibTeX
@misc{dead-code-2026,
  author    = {ClaudSkills},
  title     = {Dead Code [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/dead-code/}
}

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Browse all Engineering skills in the ClaudSkills registry, or explore these other picks from the same category:

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