diff --git a/dev-requirements.txt b/dev-requirements.txt
index 82318499..8d27291a 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,6 +1,5 @@
 pytest>=2.5
 sphinx>=1.1,<1.5
 colour>=0.0.5
-mock>=1.0
 pycodestyle>=1.5.7
 i3ipc>=1.2.0
diff --git a/docs/conf.py b/docs/conf.py
index 2b8c6247..0bb1cc55 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -17,7 +17,7 @@
 sys.path.insert(0, os.path.abspath('..'))
 
 # requires PyPI mock
-import mock
+import unittest.mock as mock
 
 MOCK_MODULES = [
     "alsaaudio",
diff --git a/tests/test_hassio.py b/tests/test_hassio.py
index a6854907..e6e4ceb1 100644
--- a/tests/test_hassio.py
+++ b/tests/test_hassio.py
@@ -4,7 +4,7 @@
 """
 
 import unittest
-from mock import patch
+from unittest.mock import patch
 from requests import get
 from i3pystatus import hassio
 import json
diff --git a/tests/test_lastfm.py b/tests/test_lastfm.py
index 7225669e..f260eeae 100644
--- a/tests/test_lastfm.py
+++ b/tests/test_lastfm.py
@@ -3,8 +3,7 @@
 """
 
 import unittest
-from mock import patch
-from unittest.mock import MagicMock
+from unittest.mock import patch, MagicMock
 from urllib.request import urlopen
 from i3pystatus import lastfm
 
diff --git a/tests/test_plexstatus.py b/tests/test_plexstatus.py
index d7e8dfff..7bbdb89c 100644
--- a/tests/test_plexstatus.py
+++ b/tests/test_plexstatus.py
@@ -3,8 +3,7 @@
 """
 
 import unittest
-from mock import patch
-from unittest.mock import MagicMock
+from unittest.mock import patch, MagicMock
 from urllib.request import urlopen
 from i3pystatus import plexstatus