diff --git a/trulens_eval/examples/quickstart/llama_index_quickstart.ipynb b/trulens_eval/examples/quickstart/llama_index_quickstart.ipynb
index 52cc52145..82952024c 100644
--- a/trulens_eval/examples/quickstart/llama_index_quickstart.ipynb
+++ b/trulens_eval/examples/quickstart/llama_index_quickstart.ipynb
@@ -163,7 +163,6 @@
     "    Feedback(provider.groundedness_measure_with_cot_reasons)\n",
     "    .on(context.collect()) # collect context chunks into a list\n",
     "    .on_output()\n",
-    "    .aggregate(provider.grounded_statements_aggregator)\n",
     ")\n",
     "\n",
     "# Question/answer relevance between overall question and answer.\n",