diff --git a/canvas/src/components/DeleteCascadeConfirmDialog.tsx b/canvas/src/components/DeleteCascadeConfirmDialog.tsx
index b51eef60..173cb49e 100644
--- a/canvas/src/components/DeleteCascadeConfirmDialog.tsx
+++ b/canvas/src/components/DeleteCascadeConfirmDialog.tsx
@@ -81,7 +81,7 @@ export function DeleteCascadeConfirmDialog({
   return createPortal(
     <div className="fixed inset-0 z-[9999] flex items-center justify-center">
       {/* Backdrop */}
-      <div className="absolute inset-0 bg-black/60 backdrop-blur-sm" onClick={onCancel} />
+      <div aria-hidden="true" className="absolute inset-0 bg-black/60 backdrop-blur-sm" onClick={onCancel} />
 
       {/* Dialog */}
       <div