diff --git a/tests/benchmark/milvus_benchmark/runners/insert.py b/tests/benchmark/milvus_benchmark/runners/insert.py
index 79e05c0f3a..3d793d76e2 100644
--- a/tests/benchmark/milvus_benchmark/runners/insert.py
+++ b/tests/benchmark/milvus_benchmark/runners/insert.py
@@ -1,5 +1,4 @@
 import time
-import pdb
 import copy
 import logging
 from milvus_benchmark import parser