diff --git a/tests/rules/test_goenv_no_such_command.py b/tests/rules/test_goenv_no_such_command.py
index bc3f6492..64c52006 100644
--- a/tests/rules/test_goenv_no_such_command.py
+++ b/tests/rules/test_goenv_no_such_command.py
@@ -9,20 +9,6 @@ def output(goenv_cmd):
     return "goenv: no such command '{}'".format(goenv_cmd)
 
 
-@pytest.fixture(autouse=True)
-def Popen(mocker):
-    mock = mocker.patch('thefuck.rules.goenv_no_such_command.Popen')
-    mock.return_value.stdout.readlines.return_value = (
-        b'--version\nactivate\ncommands\ncompletions\ndeactivate\ndoctor_\n'
-        b'exec\nglobal\nhelp\nhooks\ninit\ninstall\ninstaller\nlocal\noffline-installer_\n'
-        b'prefix\nrealpath.dylib\nrehash\nroot\nshell\nshims\nuninstall\nupdate_\n'
-        b'version\nversion-file\nversion-file-read\nversion-file-write\nversion-name_\n'
-        b'version-origin\nversions\nvirtualenv\nvirtualenv-delete_\n'
-        b'virtualenv-init\nvirtualenv-prefix\nvirtualenvs\nwhence\nwhich_\n'
-    ).split()
-    return mock
-
-
 @pytest.mark.parametrize('script, goenv_cmd', [
     ('goenv globe', 'globe'),
     ('goenv intall 1.4.0', 'intall'),
diff --git a/tests/rules/test_nodenv_no_such_command.py b/tests/rules/test_nodenv_no_such_command.py
index 7cae53f9..7d95d925 100644
--- a/tests/rules/test_nodenv_no_such_command.py
+++ b/tests/rules/test_nodenv_no_such_command.py
@@ -9,21 +9,6 @@ def output(nodenv_cmd):
     return "nodenv: no such command `{}'".format(nodenv_cmd)
 
 
-@pytest.fixture(autouse=True)
-def Popen(mocker):
-    mock = mocker.patch('thefuck.rules.nodenv_no_such_command.Popen')
-    mock.return_value.stdout.readlines.return_value = (
-        b'--version\nactivate\ncommands\ncompletions\ndeactivate\nexec_\n'
-        b'global\nhelp\nhooks\ninit\ninstall\nlocal\nprefix_\n'
-        b'realpath.dylib\nrehash\nroot\nshell\nshims\nuninstall\nversion_\n'
-        b'version-file\nversion-file-read\nversion-file-write\nversion-name_\n'
-        b'version-origin\nversions\nvirtualenv\nvirtualenv-delete_\n'
-        b'virtualenv-init\nvirtualenv-prefix\nvirtualenvs_\n'
-        b'virtualenvwrapper\nvirtualenvwrapper_lazy\nwhence\nwhich_\n'
-    ).split()
-    return mock
-
-
 @pytest.mark.parametrize('script, nodenv_cmd', [
     ('nodenv globe', 'globe'),
     ('nodenv intall 3.8.0', 'intall'),
diff --git a/tests/rules/test_pyenv_no_such_command.py b/tests/rules/test_pyenv_no_such_command.py
index 298620f7..8d73a5ca 100644
--- a/tests/rules/test_pyenv_no_such_command.py
+++ b/tests/rules/test_pyenv_no_such_command.py
@@ -9,21 +9,6 @@ def output(pyenv_cmd):
     return "pyenv: no such command `{}'".format(pyenv_cmd)
 
 
-@pytest.fixture(autouse=True)
-def Popen(mocker):
-    mock = mocker.patch('thefuck.rules.pyenv_no_such_command.Popen')
-    mock.return_value.stdout.readlines.return_value = (
-        b'--version\nactivate\ncommands\ncompletions\ndeactivate\nexec_\n'
-        b'global\nhelp\nhooks\ninit\ninstall\nlocal\nprefix_\n'
-        b'realpath.dylib\nrehash\nroot\nshell\nshims\nuninstall\nversion_\n'
-        b'version-file\nversion-file-read\nversion-file-write\nversion-name_\n'
-        b'version-origin\nversions\nvirtualenv\nvirtualenv-delete_\n'
-        b'virtualenv-init\nvirtualenv-prefix\nvirtualenvs_\n'
-        b'virtualenvwrapper\nvirtualenvwrapper_lazy\nwhence\nwhich_\n'
-    ).split()
-    return mock
-
-
 @pytest.mark.parametrize('script, pyenv_cmd', [
     ('pyenv globe', 'globe'),
     ('pyenv intall 3.8.0', 'intall'),
diff --git a/tests/rules/test_rbenv_no_such_command.py b/tests/rules/test_rbenv_no_such_command.py
index b9bf248b..05685380 100644
--- a/tests/rules/test_rbenv_no_such_command.py
+++ b/tests/rules/test_rbenv_no_such_command.py
@@ -9,21 +9,6 @@ def output(rbenv_cmd):
     return "rbenv: no such command `{}'".format(rbenv_cmd)
 
 
-@pytest.fixture(autouse=True)
-def Popen(mocker):
-    mock = mocker.patch('thefuck.rules.rbenv_no_such_command.Popen')
-    mock.return_value.stdout.readlines.return_value = (
-        b'--version\nactivate\ncommands\ncompletions\ndeactivate\nexec_\n'
-        b'global\nhelp\nhooks\ninit\ninstall\nlocal\nprefix_\n'
-        b'realpath.dylib\nrehash\nroot\nshell\nshims\nuninstall\nversion_\n'
-        b'version-file\nversion-file-read\nversion-file-write\nversion-name_\n'
-        b'version-origin\nversions\nvirtualenv\nvirtualenv-delete_\n'
-        b'virtualenv-init\nvirtualenv-prefix\nvirtualenvs_\n'
-        b'virtualenvwrapper\nvirtualenvwrapper_lazy\nwhence\nwhich_\n'
-    ).split()
-    return mock
-
-
 @pytest.mark.parametrize('script, rbenv_cmd', [
     ('rbenv globe', 'globe'),
     ('rbenv intall 3.8.0', 'intall'),