diff --git a/test-requirements.txt b/test-requirements.txt
index 0732db93e..3bc2e9665 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,7 +4,6 @@
 coverage>=4.5.4 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 hacking>=2.0.0 # Apache-2.0
-mock>=3.0.5 # BSD
 stestr>=2.5.0 # Apache-2.0
 testscenarios>=0.5.0 # Apache-2.0/BSD
 testtools>=2.3.0 # MIT
diff --git a/tests/unit/cli/test_baseline.py b/tests/unit/cli/test_baseline.py
index 0c58bb80c..245d711d2 100644
--- a/tests/unit/cli/test_baseline.py
+++ b/tests/unit/cli/test_baseline.py
@@ -6,10 +6,10 @@
 
 import os
 import subprocess
+from unittest import mock
 
 import fixtures
 import git
-import mock
 import testtools
 
 import bandit.cli.baseline as baseline
diff --git a/tests/unit/cli/test_config_generator.py b/tests/unit/cli/test_config_generator.py
index 6e540716c..a7946c964 100644
--- a/tests/unit/cli/test_config_generator.py
+++ b/tests/unit/cli/test_config_generator.py
@@ -6,8 +6,8 @@
 
 import importlib
 import logging
+from unittest import mock
 
-import mock
 import testtools
 import yaml
 
diff --git a/tests/unit/cli/test_main.py b/tests/unit/cli/test_main.py
index 815e3c118..b191699b6 100644
--- a/tests/unit/cli/test_main.py
+++ b/tests/unit/cli/test_main.py
@@ -4,9 +4,9 @@
 
 import logging
 import os
+from unittest import mock
 
 import fixtures
-import mock
 import testtools
 
 from bandit.cli import main as bandit
diff --git a/tests/unit/core/test_config.py b/tests/unit/core/test_config.py
index 9e028ad47..6a2e4e834 100644
--- a/tests/unit/core/test_config.py
+++ b/tests/unit/core/test_config.py
@@ -5,10 +5,10 @@
 import os
 import tempfile
 import textwrap
+from unittest import mock
 import uuid
 
 import fixtures
-import mock
 import testtools
 
 from bandit.core import config
diff --git a/tests/unit/core/test_context.py b/tests/unit/core/test_context.py
index afa1e02b0..c910c9f34 100644
--- a/tests/unit/core/test_context.py
+++ b/tests/unit/core/test_context.py
@@ -5,8 +5,8 @@
 # SPDX-License-Identifier: Apache-2.0
 
 import ast
+from unittest import mock
 
-import mock
 import testtools
 
 from bandit.core import context
diff --git a/tests/unit/core/test_issue.py b/tests/unit/core/test_issue.py
index c025ae7de..da520f55c 100644
--- a/tests/unit/core/test_issue.py
+++ b/tests/unit/core/test_issue.py
@@ -4,7 +4,8 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-import mock
+from unittest import mock
+
 import testtools
 
 import bandit
diff --git a/tests/unit/core/test_manager.py b/tests/unit/core/test_manager.py
index 0ee928e0e..c5a3b9a37 100644
--- a/tests/unit/core/test_manager.py
+++ b/tests/unit/core/test_manager.py
@@ -5,9 +5,9 @@
 # SPDX-License-Identifier: Apache-2.0
 
 import os
+from unittest import mock
 
 import fixtures
-import mock
 import testtools
 
 from bandit.core import config
diff --git a/tests/unit/core/test_test_set.py b/tests/unit/core/test_test_set.py
index 280d112da..861d099a4 100644
--- a/tests/unit/core/test_test_set.py
+++ b/tests/unit/core/test_test_set.py
@@ -4,7 +4,8 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-import mock
+from unittest import mock
+
 from stevedore import extension
 import testtools
 
diff --git a/tests/unit/formatters/test_html.py b/tests/unit/formatters/test_html.py
index 06edd76f0..9d2c297c3 100644
--- a/tests/unit/formatters/test_html.py
+++ b/tests/unit/formatters/test_html.py
@@ -5,9 +5,9 @@
 
 import collections
 import tempfile
+from unittest import mock
 
 import bs4
-import mock
 import testtools
 
 import bandit
diff --git a/tests/unit/formatters/test_json.py b/tests/unit/formatters/test_json.py
index 37077e289..392ce2142 100644
--- a/tests/unit/formatters/test_json.py
+++ b/tests/unit/formatters/test_json.py
@@ -5,8 +5,8 @@
 import collections
 import json
 import tempfile
+from unittest import mock
 
-import mock
 import testtools
 
 import bandit
diff --git a/tests/unit/formatters/test_screen.py b/tests/unit/formatters/test_screen.py
index 533abbd16..18bf2b8b5 100644
--- a/tests/unit/formatters/test_screen.py
+++ b/tests/unit/formatters/test_screen.py
@@ -5,8 +5,8 @@
 
 import collections
 import tempfile
+from unittest import mock
 
-import mock
 import testtools
 
 import bandit
diff --git a/tests/unit/formatters/test_text.py b/tests/unit/formatters/test_text.py
index f31051b5b..30a45af0e 100644
--- a/tests/unit/formatters/test_text.py
+++ b/tests/unit/formatters/test_text.py
@@ -5,8 +5,8 @@
 
 import collections
 import tempfile
+from unittest import mock
 
-import mock
 import testtools
 
 import bandit
diff --git a/tests/unit/formatters/test_yaml.py b/tests/unit/formatters/test_yaml.py
index de204ec1f..aad57c63d 100644
--- a/tests/unit/formatters/test_yaml.py
+++ b/tests/unit/formatters/test_yaml.py
@@ -4,8 +4,8 @@
 
 import collections
 import tempfile
+from unittest import mock
 
-import mock
 import testtools
 import yaml