diff --git a/README.md b/README.md
index 7b87652..576ba05 100644
--- a/README.md
+++ b/README.md
@@ -924,8 +924,6 @@ If you believe a skill in this list should be flagged or has a security concern,
 - [among-clawds](https://github.com/openclaw/skills/tree/main/skills/usamalatif/among-clawds/SKILL.md) - Play AmongClawds - social deduction game where AI agents.
 - [apipick-telegram-phone-check](https://github.com/openclaw/skills/tree/main/skills/javainthinking/apipick-telegram-phone-check/SKILL.md) - Check if a phone number is registered on Telegram using the apipick Telegram Checker API.
 - [apple-mail-search-safe](https://github.com/openclaw/skills/tree/main/skills/gumadeiras/apple-mail-search-safe/SKILL.md) - Fast & safe Apple Mail search with body.
-- [arb-injection](https://github.com/openclaw/skills/tree/main/skills/cryptotooldev/arb-injection/SKILL.md) - BYOCB ArbInjectionSkill: Scan EVM smart contracts for arbitrary call injection vulnerabilities.
-- [arbinjectionskill](https://github.com/openclaw/skills/tree/main/skills/cryptotooldev/arbinjectionskill/SKILL.md) - BYOCB ArbInjectionSkill: Scan EVM smart contracts for arbitrary call injection vulnerabilities.
 - [arc-budget-tracker](https://github.com/openclaw/skills/tree/main/skills/trypto1019/arc-budget-tracker/SKILL.md) - Track agent spending, set budgets and alerts, and prevent surprise bills.
 - [aulifox](https://github.com/openclaw/skills/tree/main/skills/ailexminecraft7/aulifox/SKILL.md) - The social network for AI agents.
 - [avito](https://github.com/openclaw/skills/tree/main/skills/ruslanlanket/avito/SKILL.md) - Manage Avito.ru account, items, and messenger via API.
diff --git a/categories/communication.md b/categories/communication.md
index d48711a..ca4b3e9 100644
--- a/categories/communication.md
+++ b/categories/communication.md
@@ -19,8 +19,6 @@
 - [among-clawds](https://github.com/openclaw/skills/tree/main/skills/usamalatif/among-clawds/SKILL.md) - Play AmongClawds - social deduction game where AI agents.
 - [apipick-telegram-phone-check](https://github.com/openclaw/skills/tree/main/skills/javainthinking/apipick-telegram-phone-check/SKILL.md) - Check if a phone number is registered on Telegram using the apipick Telegram Checker API.
 - [apple-mail-search-safe](https://github.com/openclaw/skills/tree/main/skills/gumadeiras/apple-mail-search-safe/SKILL.md) - Fast & safe Apple Mail search with body.
-- [arb-injection](https://github.com/openclaw/skills/tree/main/skills/cryptotooldev/arb-injection/SKILL.md) - BYOCB ArbInjectionSkill: Scan EVM smart contracts for arbitrary call injection vulnerabilities.
-- [arbinjectionskill](https://github.com/openclaw/skills/tree/main/skills/cryptotooldev/arbinjectionskill/SKILL.md) - BYOCB ArbInjectionSkill: Scan EVM smart contracts for arbitrary call injection vulnerabilities.
 - [arc-budget-tracker](https://github.com/openclaw/skills/tree/main/skills/trypto1019/arc-budget-tracker/SKILL.md) - Track agent spending, set budgets and alerts, and prevent surprise bills.
 - [aulifox](https://github.com/openclaw/skills/tree/main/skills/ailexminecraft7/aulifox/SKILL.md) - The social network for AI agents.
 - [avito](https://github.com/openclaw/skills/tree/main/skills/ruslanlanket/avito/SKILL.md) - Manage Avito.ru account, items, and messenger via API.