diff --git a/skills-lock.json b/skills-lock.json
index c7462ae..cedab32 100644
--- a/skills-lock.json
+++ b/skills-lock.json
@@ -33,14 +33,6 @@
       "skillFolderHash": "a500c5b9a481e6fac8c9bb87cd4c4e16c3f46e1a",
       "pluginName": "mattpocock-skills"
     },
-    "tdd": {
-      "source": "mattpocock/skills",
-      "sourceType": "github",
-      "sourceUrl": "https://github.com/mattpocock/skills.git",
-      "skillPath": "skills/engineering/tdd/SKILL.md",
-      "skillFolderHash": "75beb3030b4c979205dd771ff85ac600baeb68f4",
-      "pluginName": "mattpocock-skills"
-    },
     "to-issues": {
       "source": "mattpocock/skills",
       "sourceType": "github",
diff --git a/skills/engineering/tdd-3a/SKILL.md b/skills/engineering/tdd/SKILL.md
similarity index 100%
rename from skills/engineering/tdd-3a/SKILL.md
rename to skills/engineering/tdd/SKILL.md