diff --git a/manifest.json b/manifest.json
index 31ed874c1..aa66e1217 100644
--- a/manifest.json
+++ b/manifest.json
@@ -294,7 +294,6 @@
 		"17-10",
 		"17-11",
 		"17-12",
-		"17-13",
 		"17-14",
 		"17-reference",
 		"18-title",