diff --git a/tests/benchmark/milvus_benchmark/runners/utils.py b/tests/benchmark/milvus_benchmark/runners/utils.py
index f00d30d22c..1fda4bf3da 100644
--- a/tests/benchmark/milvus_benchmark/runners/utils.py
+++ b/tests/benchmark/milvus_benchmark/runners/utils.py
@@ -1,5 +1,4 @@
 import os
-import pdb
 import logging
 import numpy as np
 import sklearn.preprocessing