diff --git a/manifest.json b/manifest.json
index 78636f6..f72873d 100644
--- a/manifest.json
+++ b/manifest.json
@@ -71,7 +71,6 @@
 		"03-14",
 		"03-16",
 		"03-18",
-		"03-21",
 		"04-title",
 		"04-01",
 		"04-03",