diff --git a/examples/assistant-stream.ts b/examples/assistant-stream.ts
index 6c71bf23b..d1d5b040f 100755
--- a/examples/assistant-stream.ts
+++ b/examples/assistant-stream.ts
@@ -39,7 +39,6 @@ async function main() {
     .on('textDelta', (delta, snapshot) => console.log(snapshot))
     .on('messageDelta', (delta, snapshot) => console.log(snapshot))
     .on('run', (run) => console.log(run))
-    .on('messageDelta', (delta, snapshot) => console.log(snapshot))
     .on('connect', () => console.log());
   const result = await run.finalRun();
   console.log('Run Result' + result);