diff --git a/manifest.json b/manifest.json
index 270f8a9..5993f0d 100644
--- a/manifest.json
+++ b/manifest.json
@@ -109,7 +109,6 @@
 		"04-43",
 		"04-46",
 		"04-48",
-		"04-51",
 		"04-53",
 		"05-title",
 		"05-01",