diff --git a/nipype/info.py b/nipype/info.py
index 7b1a757789..f87883380f 100644
--- a/nipype/info.py
+++ b/nipype/info.py
@@ -149,7 +149,6 @@ def get_nipype_gitversion():
     'neurdflib',
     'click>=%s' % CLICK_MIN_VERSION,
     'funcsigs',
-    'mock',
     'pydotplus',
     'pydot>=%s' % PYDOT_MIN_VERSION,
     'packaging',
@@ -160,6 +159,7 @@ def get_nipype_gitversion():
     REQUIRES.append('configparser')
 
 TESTS_REQUIRES = [
+    'mock',
     'pytest>=%s' % PYTEST_MIN_VERSION,
     'pytest-xdist',
     'pytest-cov',
diff --git a/requirements.txt b/requirements.txt
index 1d1a4d1f9c..0d951f49c0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,10 +11,6 @@ neurdflib
 click>=6.6.0
 funcsigs
 configparser
-pytest>=3.0
-pytest-xdist
-pytest-env
-mock
 pydotplus
 pydot>=1.2.3
 packaging