diff --git a/tests/python/utils.py b/tests/python/utils.py
index 282f7e36f7..2d5f72507d 100644
--- a/tests/python/utils.py
+++ b/tests/python/utils.py
@@ -235,7 +235,7 @@ def gen_single_filter_fields():
 def gen_single_vector_fields():
     fields = []
     for data_type in [DataType.FLOAT_VECTOR, DataType.BINARY_VECTOR]:
-        field = {"name": data_type.name, "type": data_type, "params": {"dim": default_dim}, "indexes": [{"metric_type": "L2"}]}
+        field = {"name": data_type.name, "type": data_type, "params": {"dim": default_dim}}
         fields.append(field)
     return fields
 
@@ -246,8 +246,7 @@ def gen_default_fields(auto_id=True):
             {"name": "int64", "type": DataType.INT64},
             {"name": "float", "type": DataType.FLOAT},
             {"name": default_float_vec_field_name, "type": DataType.FLOAT_VECTOR,
-             "params": {"dim": default_dim},
-             "indexes": [{"metric_type": "L2"}]},
+             "params": {"dim": default_dim}},
         ],
         "segment_row_limit": default_segment_row_limit,
         "auto_id": auto_id
@@ -260,7 +259,7 @@ def gen_binary_default_fields(auto_id=True):
         "fields": [
             {"name": "int64", "type": DataType.INT64},
             {"name": "float", "type": DataType.FLOAT},
-            {"name": default_binary_vec_field_name, "type": DataType.BINARY_VECTOR, "params": {"dim": default_dim}, "indexes": [{"metric_type": "JACCARD"}]}
+            {"name": default_binary_vec_field_name, "type": DataType.BINARY_VECTOR, "params": {"dim": default_dim}}
             ],
         "segment_row_limit": default_segment_row_limit,
         "auto_id": auto_id