diff --git a/src/tools/builtin/messaging.ts b/src/tools/builtin/messaging.ts
index 3911727..c3bedec 100644
--- a/src/tools/builtin/messaging.ts
+++ b/src/tools/builtin/messaging.ts
@@ -75,7 +75,7 @@ export class ReceiveMessagesTool extends ToolHandler<ReceiveMessagesInput, any>
   private messages: any[] = [];
   private subscribed = false;
 
-  constructor(private natsClient: NatsClient, private server?: any) {
+  constructor(private natsClient: NatsClient) {
     super(
       {
         name: 'receive_messages',