diff --git a/manifest.json b/manifest.json
index 31ed874c1..5350e03b0 100644
--- a/manifest.json
+++ b/manifest.json
@@ -197,7 +197,6 @@
 		"11-08",
 		"11-reference",
 		"12-title",
-		"12-01",
 		"12-02",
 		"12-03",
 		"12-04",