diff --git a/.agents/skills/custom-codereview-guide.md b/.agents/skills/custom-codereview-guide.md
deleted file mode 100644
index 0051d79..0000000
--- a/.agents/skills/custom-codereview-guide.md
+++ /dev/null
@@ -1,39 +0,0 @@
----
-name: custom-codereview-guide
-description: Code review standards and domain architecture rules for the RobotOverview (Hangar & BEAST-01) repository
-triggers:
-  - /codereview
----
-
-# RobotOverview Code Review Guidelines
-
-You are an expert code reviewer evaluating pull requests for **RobotOverview** (The Hangar command center & BEAST-01 robot brain).
-Provide concise, constructive, actionable feedback focusing on correctness, safety, architectural boundaries, and engineering quality.
-
-## Architectural Boundaries
-
-1. **Monorepo Separation (Hangar vs BEAST-01):**
-   - **Hangar** (`src/`, `db/`, `public/`): Next.js 16, React 19, Tailwind 4, Vitest. Deployed to the homelab Kubernetes cluster. **Never imports ROS 2.**
-   - **BEAST-01** (`robot/beast/ros2_ws/`): ROS 2 Humble workspace on the Jetson Orin Nano. **Never imports Next.js or React.**
-   - Sharing a git repo does not collapse the runtime boundary. Reject Hangar code that pulls in ROS 2 packages, and reject robot-brain code that pulls in Next.js/React/web-app dependencies.
-
-2. **Postgres schema is truth; query it via `db/hangar/find.ts`:**
-   - Physical facts, pinouts, voltages, and hardware specs live in Postgres. Reviewers must reject guesses or hardcoded assumptions about hardware ratings and connector wiring.
-   - Look those facts up with `db/hangar/find.ts`. Do not treat `src/data/hangar.ts` as ground truth — that file is a static CI test fixture.
-
-## Engineering & Org Standards
-
-1. **Git & Commit Hygiene:**
-   - Atomic commits following Conventional Commits.
-   - Enforce **linear history** (no merge commits in PR branches).
-
-2. **Testing & Validation:**
-   - UI logic and data transformations must be backed by Vitest unit tests (`npm test` / `npm run test:run`).
-   - ROS 2 Python/C++ changes should maintain colcon build and test integrity.
-
-3. **Dependencies:**
-   - Renovate manages version updates. Do not introduce competing Dependabot version configs.
-
-4. **Review Delivery Format:**
-   - Group findings by severity: **Critical** (runtime bugs, hardware safety risks, broken contracts), **Suggestion** (performance, design, type clarity), and **Nit** (formatting/typos).
-   - Use GitHub Markdown suggestion blocks (` ```suggestion `) for specific code modifications.
diff --git a/.github/workflows/ci-tools-tests.yml b/.github/workflows/ci-tools-tests.yml
index e640499..b54bb33 100644
--- a/.github/workflows/ci-tools-tests.yml
+++ b/.github/workflows/ci-tools-tests.yml
@@ -28,7 +28,6 @@ on:
       - '.github/workflows/beast-ros-image.yml'
       - '.github/workflows/cold-review.yml'
       - '.github/actionlint.yaml'
-      - '.agents/skills/custom-codereview-guide.md'
   push:
     branches: [main]
     paths:
@@ -52,7 +51,6 @@ on:
       - '.github/workflows/beast-ros-image.yml'
       - '.github/workflows/cold-review.yml'
       - '.github/actionlint.yaml'
-      - '.agents/skills/custom-codereview-guide.md'
 
 permissions:
   contents: read
diff --git a/tools/ci/test_cold_review_workflow.py b/tools/ci/test_cold_review_workflow.py
index 98d029b..b392d80 100644
--- a/tools/ci/test_cold_review_workflow.py
+++ b/tools/ci/test_cold_review_workflow.py
@@ -1,6 +1,6 @@
 # Copyright 2026 Coldaine
 # SPDX-License-Identifier: Apache-2.0
-"""Contract tests for the OpenHands Cold Review workflow and skill.
+"""Contract tests for the OpenHands Cold Review workflow.
 
 These are the cheap checks that notice a silent regression (wrong model,
 effort flag hacks, pull_request_target, missing auth cleanup) before a
@@ -15,7 +15,6 @@
 
 REPO = Path(__file__).resolve().parents[2]
 WORKFLOW = REPO / ".github" / "workflows" / "cold-review.yml"
-SKILL = REPO / ".agents" / "skills" / "custom-codereview-guide.md"
 
 
 def _load_workflow() -> dict:
@@ -29,13 +28,8 @@ def _on(wf: dict) -> dict:
     return wf.get("on") or wf[True]
 
 
-def test_workflow_and_skill_paths_exist():
+def test_workflow_path_exists():
     assert WORKFLOW.is_file()
-    assert SKILL.is_file()
-    assert SKILL.name != "code-review.md"
-    skill = SKILL.read_text(encoding="utf-8")
-    assert "triggers:" in skill
-    assert "/codereview" in skill
 
 
 def test_triggers_and_guards():