diff --git a/airflow/executors/sequential_executor.py b/airflow/executors/sequential_executor.py
index 4684226a1aa5f..a21c46c3d0a49 100644
--- a/airflow/executors/sequential_executor.py
+++ b/airflow/executors/sequential_executor.py
@@ -1,5 +1,4 @@
 from builtins import str
-import logging
 import subprocess
 
 from airflow.executors.base_executor import BaseExecutor
diff --git a/tests/core.py b/tests/core.py
index 5cc737dcf51fe..8d0eae659886f 100644
--- a/tests/core.py
+++ b/tests/core.py
@@ -2,7 +2,6 @@
 
 import doctest
 import json
-import logging
 import os
 import re
 import unittest
@@ -11,7 +10,6 @@
 from datetime import datetime, time, timedelta
 from email.mime.multipart import MIMEMultipart
 from email.mime.application import MIMEApplication
-import errno
 import signal
 from time import sleep
 
@@ -31,7 +29,6 @@
 from lxml import html
 from airflow.utils import AirflowException
 from airflow.configuration import AirflowConfigException
-from airflow.minihivecluster import MiniHiveCluster
 
 import six