diff --git a/bifrost/tests/unit/test_inventory.py b/bifrost/tests/unit/test_inventory.py
index 9c6503a7c..409110d25 100644
--- a/bifrost/tests/unit/test_inventory.py
+++ b/bifrost/tests/unit/test_inventory.py
@@ -19,7 +19,7 @@ test_inventory
 Tests for `inventory` module.
 """
 
-import mock
+from unittest import mock
 
 from bifrost import inventory
 
diff --git a/test-requirements.txt b/test-requirements.txt
index 3edfb0505..64ddfa363 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -12,5 +12,4 @@ testrepository>=0.0.18 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=2.2.0 # MIT
 PyYAML>=3.12 # MIT
-mock>=2.0.0 # BSD
 Pygments>=2.2.0 # BSD license