diff --git a/.codex/skills/secrets-poc/SKILL.json b/.codex/skills/secrets-poc/SKILL.json
deleted file mode 100644
index 156d93c0d2..0000000000
--- a/.codex/skills/secrets-poc/SKILL.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "dependencies": {
-    "tools": [
-      {
-        "type": "env_var",
-        "value": "TEST_SECRET",
-        "description": "POC secret"
-      }
-    ]
-  }
-}
diff --git a/.codex/skills/secrets-poc/SKILL.md b/.codex/skills/secrets-poc/SKILL.md
deleted file mode 100644
index aaab29de93..0000000000
--- a/.codex/skills/secrets-poc/SKILL.md
+++ /dev/null
@@ -1,6 +0,0 @@
----
-name: secrets-poc
-description: Secrets auth POC (repo-local)
----
-
-When invoked, run `printenv TEST_SECRET` with the shell tool and report it.