diff --git a/bigchaindb/backend/localmongodb/connection.py b/bigchaindb/backend/localmongodb/connection.py
index e1df9afe..ffdb84b6 100644
--- a/bigchaindb/backend/localmongodb/connection.py
+++ b/bigchaindb/backend/localmongodb/connection.py
@@ -2,7 +2,6 @@
 # SPDX-License-Identifier: (Apache-2.0 AND CC-BY-4.0)
 # Code is Apache-2.0 and docs are CC-BY-4.0
 
-import time
 import logging
 from ssl import CERT_REQUIRED
 
@@ -133,4 +132,4 @@ class LocalMongoDBConnection(Connection):
 
 MONGO_OPTS = {
     'socketTimeoutMS': 20000,
-}
\ No newline at end of file
+}
diff --git a/tests/backend/localmongodb/test_connection.py b/tests/backend/localmongodb/test_connection.py
index b46b08c5..9bb3d9aa 100644
--- a/tests/backend/localmongodb/test_connection.py
+++ b/tests/backend/localmongodb/test_connection.py
@@ -7,7 +7,6 @@ from unittest import mock
 import pytest
 import pymongo
 from pymongo import MongoClient
-from pymongo.database import Database
 
 
 pytestmark = [pytest.mark.bdb, pytest.mark.tendermint]