diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
index 82b7fb3..a509de5 100644
--- a/.claude-plugin/plugin.json
+++ b/.claude-plugin/plugin.json
@@ -14,7 +14,6 @@
     "./skills/engineering/domain-modeling",
     "./skills/engineering/codebase-design",
     "./skills/engineering/decision-mapping",
-    "./skills/productivity/caveman",
     "./skills/productivity/grill-me",
     "./skills/productivity/grilling",
     "./skills/productivity/handoff",
diff --git a/README.md b/README.md
index 147403b..fb1fea1 100644
--- a/README.md
+++ b/README.md
@@ -172,7 +172,6 @@ General workflow tools, not code-specific.
 
 **User-invoked**
 
-- **[caveman](./skills/productivity/caveman/SKILL.md)** — Ultra-compressed communication mode. Cuts token usage ~75% by dropping filler while keeping full technical accuracy.
 - **[grill-me](./skills/productivity/grill-me/SKILL.md)** — Get relentlessly interviewed about a plan or design until every branch of the decision tree is resolved.
 - **[handoff](./skills/productivity/handoff/SKILL.md)** — Compact the current conversation into a handoff document so another agent can continue the work.
 - **[teach](./skills/productivity/teach/SKILL.md)** — Teach the user a new skill or concept over multiple sessions, using the current directory as a stateful teaching workspace.