diff --git a/manifest.json b/manifest.json
index ac5c5374..805e2c79 100644
--- a/manifest.json
+++ b/manifest.json
@@ -61,7 +61,6 @@
 		"18-12",
 		"18-14",
 		"18-16",
-		"18-18",
 		"18-20",
 		"18-22",
 		"18-24",