diff --git a/manifest.json b/manifest.json
index 31ed874c1..5a762cacb 100644
--- a/manifest.json
+++ b/manifest.json
@@ -293,7 +293,6 @@
 		"17-09",
 		"17-10",
 		"17-11",
-		"17-12",
 		"17-13",
 		"17-14",
 		"17-reference",