diff --git a/skills/productivity/README.md b/skills/productivity/README.md
index 4f7c238..9f37fa1 100644
--- a/skills/productivity/README.md
+++ b/skills/productivity/README.md
@@ -6,7 +6,6 @@ General workflow tools, not code-specific.
 
 User-invoked entry points (`disable-model-invocation: true`).
 
-- **[caveman](./caveman/SKILL.md)** — Ultra-compressed communication mode. Cuts token usage ~75% by dropping filler while keeping full technical accuracy.
 - **[grill-me](./grill-me/SKILL.md)** — Get relentlessly interviewed about a plan or design until every branch of the decision tree is resolved.
 - **[handoff](./handoff/SKILL.md)** — Compact the current conversation into a handoff document so another agent can continue the work.
 - **[write-a-skill](./write-a-skill/SKILL.md)** — Create a new skill with proper structure, progressive disclosure, and bundled resources.