diff --git a/tests/vectorstore/test_base.py b/tests/vectorstore/test_base.py
index fc8eb544..4e8aa637 100644
--- a/tests/vectorstore/test_base.py
+++ b/tests/vectorstore/test_base.py
@@ -1,5 +1,4 @@
-import os
-from unittest.mock import MagicMock, Mock, patch
+from unittest.mock import Mock, patch
 
 import pytest
 
diff --git a/tests/vectorstore/test_faiss.py b/tests/vectorstore/test_faiss.py
index d0413bb1..36ca8542 100644
--- a/tests/vectorstore/test_faiss.py
+++ b/tests/vectorstore/test_faiss.py
@@ -1,7 +1,5 @@
 import io
-import os
-import tempfile
-from unittest.mock import MagicMock, Mock, PropertyMock, call, mock_open, patch
+from unittest.mock import Mock, patch
 
 import pytest
 
diff --git a/tests/vectorstore/test_lancedb.py b/tests/vectorstore/test_lancedb.py
index 49507ea0..b60dca38 100644
--- a/tests/vectorstore/test_lancedb.py
+++ b/tests/vectorstore/test_lancedb.py
@@ -1,4 +1,4 @@
-from unittest.mock import MagicMock, Mock, PropertyMock, patch
+from unittest.mock import MagicMock, Mock, patch
 
 import pytest
 
diff --git a/tests/vectorstore/test_mongodb.py b/tests/vectorstore/test_mongodb.py
index 7266515a..e93a399f 100644
--- a/tests/vectorstore/test_mongodb.py
+++ b/tests/vectorstore/test_mongodb.py
@@ -97,7 +97,7 @@ class TestMongoDBVectorStoreAddTexts:
             inserted_ids=list(range(100))
         )
 
-        result = store.add_texts(texts, metadatas)
+        store.add_texts(texts, metadatas)
 
         # Should have been called twice: batch of 100, then batch of 50
         assert mock_collection.insert_many.call_count == 2
diff --git a/tests/vectorstore/test_pgvector.py b/tests/vectorstore/test_pgvector.py
index bae56c1f..bbec02bf 100644
--- a/tests/vectorstore/test_pgvector.py
+++ b/tests/vectorstore/test_pgvector.py
@@ -1,4 +1,4 @@
-from unittest.mock import MagicMock, Mock, call, patch
+from unittest.mock import MagicMock, Mock, patch
 
 import pytest
 
diff --git a/tests/vectorstore/test_vector_creator.py b/tests/vectorstore/test_vector_creator.py
index 6fccb86b..8b5c69cd 100644
--- a/tests/vectorstore/test_vector_creator.py
+++ b/tests/vectorstore/test_vector_creator.py
@@ -1,4 +1,4 @@
-from unittest.mock import patch, MagicMock
+from unittest.mock import patch
 
 import pytest