diff --git a/manifest.json b/manifest.json
index b1a00b9..28e0b63 100644
--- a/manifest.json
+++ b/manifest.json
@@ -177,7 +177,6 @@
 		"17-18",
 		"18-title",
 		"18-01",
-		"18-04",
 		"18-07",
 		"18-09",
 		"18-11",