diff --git a/manifest.json b/manifest.json
index 31ed874c1..5055f6de1 100644
--- a/manifest.json
+++ b/manifest.json
@@ -439,7 +439,6 @@
 		"28-05",
 		"28-06",
 		"28-07",
-		"28-08",
 		"28-09",
 		"28-10",
 		"28-reference",