diff --git a/canvas/src/components/ConversationTraceModal.tsx b/canvas/src/components/ConversationTraceModal.tsx
index 4dfd380f..63afe664 100644
--- a/canvas/src/components/ConversationTraceModal.tsx
+++ b/canvas/src/components/ConversationTraceModal.tsx
@@ -85,7 +85,6 @@ export function ConversationTraceModal({ open, workspaceId: _workspaceId, onClos
     });
   }, [open, nodes]);
 
-  /** Exported for unit testing — see ConversationTraceModal.test.ts */
   const isA2A = (e: ActivityEntry) =>
     e.activity_type === "a2a_receive" || e.activity_type === "a2a_send";