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/thefuck/rules/pyenv_no_such_command.py b/thefuck/rules/pyenv_no_such_command.py
index 3acc857b..7f024de2 100644
--- a/thefuck/rules/pyenv_no_such_command.py
+++ b/thefuck/rules/pyenv_no_such_command.py
@@ -1,7 +1,7 @@
 import re
 from thefuck.utils import cache, for_app, replace_argument, replace_command, which
-from thefuck.specific.devenv import env_available, COMMON_TYPOS
-from subprocess import PIPE, Popen
+from thefuck.specific.devenv import env_available, COMMON_TYPOS, get_commands
+#from subprocess import PIPE, Popen
 
 enabled_by_default = env_available
 
@@ -11,11 +11,6 @@ def match(command):
     return 'pyenv: no such command' in command.output
 
 
-def get_commands():
-    proc = Popen(['pyenv', 'commands'], stdout=PIPE)
-    return [line.decode('utf-8').strip() for line in proc.stdout.readlines()]
-
-
 if which('pyenv'):
     get_commands = cache(which('pyenv'))(get_commands)
 
@@ -25,5 +20,5 @@ def get_new_command(command):
     broken = re.findall(r"pyenv: no such command `([^']*)'", command.output)[0]
     matched = [replace_argument(command.script, broken, common_typo)
                for common_typo in COMMON_TYPOS.get(broken, [])]
-    matched.extend(replace_command(command, broken, get_commands()))
+    matched.extend(replace_command(command, broken, get_commands('pyenv')))
     return matched