diff --git a/manifest.json b/manifest.json
index 1d0bd4b..11f94a1 100644
--- a/manifest.json
+++ b/manifest.json
@@ -187,7 +187,6 @@
 		"11-14",
 		"11-16",
 		"11-18",
-		"11-21",
 		"11-23",
 		"12-title",
 		"12-01",