diff --git a/manifest.json b/manifest.json
index 4b38f25..40a1b69 100644
--- a/manifest.json
+++ b/manifest.json
@@ -294,7 +294,6 @@
 		"17-10",
 		"17-12",
 		"18-title",
-		"18-01",
 		"18-03",
 		"18-05",
 		"18-07",