diff --git a/manifest.json b/manifest.json
index 15c21f3..4a2fab9 100644
--- a/manifest.json
+++ b/manifest.json
@@ -62,7 +62,6 @@
 		"19-title",
 		"20-title",
 		"21-title",
-		"21-24",
 		"22-title",
 		"23-title",
 		"24-title",