diff --git a/src/Serene.Web/appsettings.bundles.json b/src/Serene.Web/appsettings.bundles.json
index b0238007..75904c28 100644
--- a/src/Serene.Web/appsettings.bundles.json
+++ b/src/Serene.Web/appsettings.bundles.json
@@ -33,7 +33,6 @@
         "~/Serenity.Assets/Scripts/jquery.maskedinput.js",
         "~/Serenity.SleekGrid/index.global.js",
         "~/Serenity.Assets/Scripts/sortable.js",
-        "~/Serenity.Assets/preact/preact.umd.js",
         "~/Serenity.Assets/mousetrap/mousetrap.js",
         "~/Serenity.Corelib/index.global.js",
         "~/Serenity.Extensions/common-theme.js",