diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b7bcc8466..e447294eb 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -14,7 +14,7 @@
     - id: requirements-txt-fixer
     - id: trailing-whitespace
 - repo: git://github.com/asottile/reorder_python_imports
-  sha: v0.3.5
+  sha: v1.3.4
   hooks:
     - id: reorder-python-imports
       language_version: 'python2.7'
diff --git a/compose/utils.py b/compose/utils.py
index 9f0441d08..a1e5e6435 100644
--- a/compose/utils.py
+++ b/compose/utils.py
@@ -3,7 +3,6 @@ from __future__ import unicode_literals
 
 import codecs
 import hashlib
-import json
 import json.decoder
 import logging
 import ntpath
diff --git a/tests/acceptance/cli_test.py b/tests/acceptance/cli_test.py
index d49c16073..b429e3567 100644
--- a/tests/acceptance/cli_test.py
+++ b/tests/acceptance/cli_test.py
@@ -4,7 +4,6 @@ from __future__ import unicode_literals
 
 import datetime
 import json
-import os
 import os.path
 import re
 import signal