diff --git a/Pipfile b/Pipfile
index 8689ba6..7cd18e7 100644
--- a/Pipfile
+++ b/Pipfile
@@ -6,7 +6,6 @@ name = "pypi"
 [dev-packages]
 expects = ">=0.8.0"
 doublex-expects = ">=0.7.0rc2"
-mock = ">=2.0.0"
 sphinx = ">=1.6.5"
 sphinx-autobuild = ">=0.7.1"
 e1839a8 = {editable = true,path = "."}
diff --git a/setup.py b/setup.py
index 5041e5e..ff6fd22 100644
--- a/setup.py
+++ b/setup.py
@@ -33,7 +33,7 @@
       include_package_data=True,
       zip_safe=False,
       install_requires=['clint', 'coverage'],
-      test_require=['expect', 'doublex', 'doublex-expects', 'mock'],
+      test_require=['expect', 'doublex', 'doublex-expects'],
       entry_points={
           'console_scripts': [
               'mamba = mamba.cli:main'
diff --git a/spec/mock_patch_example_spec.py b/spec/mock_patch_example_spec.py
index 5527819..156c143 100644
--- a/spec/mock_patch_example_spec.py
+++ b/spec/mock_patch_example_spec.py
@@ -1,8 +1,5 @@
 from mamba import description, context, it
-try:
-    from unittest.mock import patch
-except ImportError:
-    from mock import patch
+from unittest.mock import patch
 
 from expects import expect, be