diff --git a/Userland/Libraries/LibWeb/Forward.h b/Userland/Libraries/LibWeb/Forward.h
index 160de93cf6..1d0a230e06 100644
--- a/Userland/Libraries/LibWeb/Forward.h
+++ b/Userland/Libraries/LibWeb/Forward.h
@@ -195,7 +195,6 @@ class PageClient;
 class PaintContext;
 class Resource;
 class ResourceLoader;
-class StackingContext;
 }
 
 namespace Web::XHR {