diff --git a/tests/unit_tests/v2/test_async_pg_vectorstore_index.py b/tests/unit_tests/v2/test_async_pg_vectorstore_index.py
index 094b66a5..3796ef5a 100644
--- a/tests/unit_tests/v2/test_async_pg_vectorstore_index.py
+++ b/tests/unit_tests/v2/test_async_pg_vectorstore_index.py
@@ -11,7 +11,6 @@
 from langchain_postgres import PGEngine
 from langchain_postgres.v2.async_vectorstore import AsyncPGVectorStore
 from langchain_postgres.v2.indexes import (
-    DEFAULT_INDEX_NAME_SUFFIX,
     DistanceStrategy,
     HNSWIndex,
     IVFFlatIndex,
diff --git a/tests/unit_tests/v2/test_pg_vectorstore_index.py b/tests/unit_tests/v2/test_pg_vectorstore_index.py
index fed78dcb..405ce8cf 100644
--- a/tests/unit_tests/v2/test_pg_vectorstore_index.py
+++ b/tests/unit_tests/v2/test_pg_vectorstore_index.py
@@ -10,7 +10,6 @@
 
 from langchain_postgres import PGEngine, PGVectorStore
 from langchain_postgres.v2.indexes import (
-    DEFAULT_INDEX_NAME_SUFFIX,
     DistanceStrategy,
     HNSWIndex,
     IVFFlatIndex,
diff --git a/tests/unit_tests/v2/test_pg_vectorstore_standard_suite.py b/tests/unit_tests/v2/test_pg_vectorstore_standard_suite.py
index 4fcc9c43..d400ead4 100644
--- a/tests/unit_tests/v2/test_pg_vectorstore_standard_suite.py
+++ b/tests/unit_tests/v2/test_pg_vectorstore_standard_suite.py
@@ -1,6 +1,6 @@
 import os
 import uuid
-from typing import AsyncIterator, Iterator
+from typing import AsyncIterator
 
 import pytest
 import pytest_asyncio