diff --git a/tests/rules/test_cd_parent.py b/tests/rules/test_cd_parent.py
index 7a0fbc8b..60f87609 100644
--- a/tests/rules/test_cd_parent.py
+++ b/tests/rules/test_cd_parent.py
@@ -1,4 +1,4 @@
-from thefuck.main import Command
+from thefuck.types import Command
 from thefuck.rules.cd_parent import match, get_new_command
 
 
diff --git a/tests/rules/test_git_not_command.py b/tests/rules/test_git_not_command.py
index 657953fc..91df959e 100644
--- a/tests/rules/test_git_not_command.py
+++ b/tests/rules/test_git_not_command.py
@@ -1,5 +1,5 @@
 import pytest
-from thefuck.main import Command
+from thefuck.types import Command
 from thefuck.rules.git_not_command import match, get_new_command
 
 
diff --git a/tests/rules/test_git_push.py b/tests/rules/test_git_push.py
index 7504a72a..57f63591 100644
--- a/tests/rules/test_git_push.py
+++ b/tests/rules/test_git_push.py
@@ -1,5 +1,5 @@
 import pytest
-from thefuck.main import Command
+from thefuck.types import Command
 from thefuck.rules.git_push import match, get_new_command
 
 
diff --git a/tests/rules/test_has_exists_script.py b/tests/rules/test_has_exists_script.py
index 36938be2..e00c4bdd 100644
--- a/tests/rules/test_has_exists_script.py
+++ b/tests/rules/test_has_exists_script.py
@@ -1,5 +1,5 @@
 from mock import Mock, patch
-from thefuck.rules. has_exists_script import match, get_new_command
+from thefuck.rules.has_exists_script import match, get_new_command
 
 
 def test_match():
diff --git a/tests/rules/test_mkdir_p.py b/tests/rules/test_mkdir_p.py
index 128be2f3..dae196fa 100644
--- a/tests/rules/test_mkdir_p.py
+++ b/tests/rules/test_mkdir_p.py
@@ -1,4 +1,4 @@
-from thefuck.main import Command
+from thefuck.types import Command
 from thefuck.rules.mkdir_p import match, get_new_command
 
 
diff --git a/tests/rules/test_python_command.py b/tests/rules/test_python_command.py
index e8071263..56d9b3f9 100644
--- a/tests/rules/test_python_command.py
+++ b/tests/rules/test_python_command.py
@@ -1,9 +1,11 @@
-from thefuck.main import Command
+from thefuck.types import Command
 from thefuck.rules.python_command import match, get_new_command
 
+
 def test_match():
     assert match(Command('temp.py', '', 'Permission denied'), None)
     assert not match(Command('', '', ''), None)
 
+
 def test_get_new_command():
     assert get_new_command(Command('./test_sudo.py', '', ''), None) == 'python ./test_sudo.py'
diff --git a/tests/rules/test_rm_dir.py b/tests/rules/test_rm_dir.py
index 2362d0c3..2d5ed623 100644
--- a/tests/rules/test_rm_dir.py
+++ b/tests/rules/test_rm_dir.py
@@ -1,4 +1,4 @@
-from thefuck.main import Command
+from thefuck.types import Command
 from thefuck.rules.rm_dir import match, get_new_command
 
 
diff --git a/tests/rules/test_ssh_known_host.py b/tests/rules/test_ssh_known_host.py
index 9c8dc0d1..252cac18 100644
--- a/tests/rules/test_ssh_known_host.py
+++ b/tests/rules/test_ssh_known_host.py
@@ -1,7 +1,7 @@
 import os
 import pytest
 from mock import Mock
-from thefuck.main import Command
+from thefuck.types import Command
 from thefuck.rules.ssh_known_hosts import match, get_new_command, remove_offending_keys
 
 
diff --git a/tests/rules/test_sudo.py b/tests/rules/test_sudo.py
index 4f0c8318..4f3b3f50 100644
--- a/tests/rules/test_sudo.py
+++ b/tests/rules/test_sudo.py
@@ -1,4 +1,4 @@
-from thefuck.main import Command
+from thefuck.types import Command
 from thefuck.rules.sudo import match, get_new_command
 
 
diff --git a/tests/test_conf.py b/tests/test_conf.py
index f25e9f5e..b8e6d6c3 100644
--- a/tests/test_conf.py
+++ b/tests/test_conf.py
@@ -1,15 +1,8 @@
 from mock import patch, Mock
-from thefuck.main import Rule
+from thefuck.types import Rule
 from thefuck import conf
 
 
-def test_rules_names_list():
-    assert conf.RulesNamesList(['bash', 'lisp']) == ['bash', 'lisp']
-    assert conf.RulesNamesList(['bash', 'lisp']) == conf.RulesNamesList(['bash', 'lisp'])
-    assert Rule('lisp', None, None, False) in conf.RulesNamesList(['lisp'])
-    assert Rule('bash', None, None, False) not in conf.RulesNamesList(['lisp'])
-
-
 def test_default():
     assert Rule('test', None, None, True) in conf.DEFAULT_RULES
     assert Rule('test', None, None, False) not in conf.DEFAULT_RULES
@@ -66,10 +59,3 @@ def test_settings_from_env_with_DEFAULT():
          patch('thefuck.conf.os.environ', new_callable=lambda: {'THEFUCK_RULES': 'DEFAULT_RULES:bash:lisp'}):
         settings = conf.get_settings(Mock())
         assert settings.rules == conf.DEFAULT_RULES + ['bash', 'lisp']
-
-
-def test_update_settings():
-    settings = conf.Settings({'key': 'val'})
-    new_settings = settings.update(key='new-val')
-    assert new_settings.key == 'new-val'
-    assert settings.key == 'val'
diff --git a/tests/test_main.py b/tests/test_main.py
index 19e460cd..078f1a8e 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -1,7 +1,7 @@
 from subprocess import PIPE
 from pathlib import PosixPath, Path
 from mock import patch, Mock
-from thefuck import main, conf
+from thefuck import main, conf, types
 
 
 def test_load_rule():
@@ -13,7 +13,7 @@ def test_load_rule():
                    get_new_command=get_new_command,
                    enabled_by_default=True)) as load_source:
         assert main.load_rule(Path('/rules/bash.py')) \
-               == main.Rule('bash', match, get_new_command, True)
+               == types.Rule('bash', match, get_new_command, True)
         load_source.assert_called_once_with('bash', '/rules/bash.py')
 
 
@@ -26,15 +26,15 @@ def test_get_rules():
         assert list(main.get_rules(
             Path('~'),
             Mock(rules=conf.DEFAULT_RULES))) \
-               == [main.Rule('bash', 'bash', 'bash', True),
-                   main.Rule('lisp', 'lisp', 'lisp', True),
-                   main.Rule('bash', 'bash', 'bash', True),
-                   main.Rule('lisp', 'lisp', 'lisp', True)]
+               == [types.Rule('bash', 'bash', 'bash', True),
+                   types.Rule('lisp', 'lisp', 'lisp', True),
+                   types.Rule('bash', 'bash', 'bash', True),
+                   types.Rule('lisp', 'lisp', 'lisp', True)]
         assert list(main.get_rules(
             Path('~'),
-            Mock(rules=conf.RulesNamesList(['bash'])))) \
-               == [main.Rule('bash', 'bash', 'bash', True),
-                   main.Rule('bash', 'bash', 'bash', True)]
+            Mock(rules=types.RulesNamesList(['bash'])))) \
+               == [types.Rule('bash', 'bash', 'bash', True),
+                   types.Rule('bash', 'bash', 'bash', True)]
 
 
 def test_get_command():
@@ -47,7 +47,7 @@ def test_get_command():
         Popen.return_value.stderr.read.return_value = b'stderr'
         assert main.get_command(Mock(), ['thefuck', 'apt-get',
                                          'search', 'vim']) \
-               == main.Command('apt-get search vim', 'stdout', 'stderr')
+               == types.Command('apt-get search vim', 'stdout', 'stderr')
         Popen.assert_called_once_with('apt-get search vim',
                                       shell=True,
                                       stdout=PIPE,
@@ -57,12 +57,12 @@ def test_get_command():
 
 
 def test_get_matched_rule(capsys):
-    rules = [main.Rule('', lambda x, _: x.script == 'cd ..', None, True),
-             main.Rule('', lambda *_: False, None, True),
-             main.Rule('rule', Mock(side_effect=OSError('Denied')), None, True)]
-    assert main.get_matched_rule(main.Command('ls', '', ''),
+    rules = [types.Rule('', lambda x, _: x.script == 'cd ..', None, True),
+             types.Rule('', lambda *_: False, None, True),
+             types.Rule('rule', Mock(side_effect=OSError('Denied')), None, True)]
+    assert main.get_matched_rule(types.Command('ls', '', ''),
                                  rules, Mock(no_colors=True)) is None
-    assert main.get_matched_rule(main.Command('cd ..', '', ''),
+    assert main.get_matched_rule(types.Command('cd ..', '', ''),
                                  rules, Mock(no_colors=True)) == rules[0]
     assert capsys.readouterr()[1].split('\n')[0] \
            == '[WARN] Rule rule:'
@@ -70,11 +70,11 @@ def test_get_matched_rule(capsys):
 
 def test_run_rule(capsys):
     with patch('thefuck.main.confirm', return_value=True):
-        main.run_rule(main.Rule('', None, lambda *_: 'new-command', True),
+        main.run_rule(types.Rule('', None, lambda *_: 'new-command', True),
                       None, None)
         assert capsys.readouterr() == ('new-command\n', '')
     with patch('thefuck.main.confirm', return_value=False):
-        main.run_rule(main.Rule('', None, lambda *_: 'new-command', True),
+        main.run_rule(types.Rule('', None, lambda *_: 'new-command', True),
                       None, None)
         assert capsys.readouterr() == ('', '')
 
diff --git a/tests/test_types.py b/tests/test_types.py
new file mode 100644
index 00000000..0df4a161
--- /dev/null
+++ b/tests/test_types.py
@@ -0,0 +1,15 @@
+from thefuck.types import Rule, RulesNamesList, Settings
+
+
+def test_rules_names_list():
+    assert RulesNamesList(['bash', 'lisp']) == ['bash', 'lisp']
+    assert RulesNamesList(['bash', 'lisp']) == RulesNamesList(['bash', 'lisp'])
+    assert Rule('lisp', None, None, False) in RulesNamesList(['lisp'])
+    assert Rule('bash', None, None, False) not in RulesNamesList(['lisp'])
+
+
+def test_update_settings():
+    settings = Settings({'key': 'val'})
+    new_settings = settings.update(key='new-val')
+    assert new_settings.key == 'new-val'
+    assert settings.key == 'val'
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 43439048..995614d1 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -1,11 +1,10 @@
 from mock import Mock
 from thefuck.utils import sudo_support, wrap_settings
-from thefuck.main import Command
-from thefuck.conf import Settings
+from thefuck.types import Command, Settings
 
 
 def test_wrap_settings():
-    fn = lambda _, settings: settings._conf
+    fn = lambda _, settings: settings
     assert wrap_settings({'key': 'val'})(fn)(None, Settings({})) \
            == {'key': 'val'}
     assert wrap_settings({'key': 'new-val'})(fn)(
diff --git a/thefuck/conf.py b/thefuck/conf.py
index 2da0f5c6..0c6f29a7 100644
--- a/thefuck/conf.py
+++ b/thefuck/conf.py
@@ -3,17 +3,10 @@ from imp import load_source
 import os
 import sys
 from six import text_type
-from . import logs
+from . import logs, types
 
 
-class RulesNamesList(list):
-    """Wrapper a top of list for string rules names."""
-
-    def __contains__(self, item):
-        return super(RulesNamesList, self).__contains__(item.name)
-
-
-class _DefaultRulesNames(RulesNamesList):
+class _DefaultRulesNames(types.RulesNamesList):
     def __add__(self, items):
         return _DefaultRulesNames(list(self) + items)
 
@@ -31,20 +24,6 @@ class _DefaultRulesNames(RulesNamesList):
 DEFAULT_RULES = _DefaultRulesNames([])
 
 
-class Settings(object):
-    def __init__(self, conf):
-        self._conf = conf
-
-    def __getattr__(self, item):
-        return self._conf.get(item)
-
-    def update(self, **kwargs):
-        """Returns new settings with new values from `kwargs`."""
-        conf = copy(self._conf)
-        conf.update(kwargs)
-        return Settings(conf)
-
-
 DEFAULT_SETTINGS = {'rules': DEFAULT_RULES,
                     'wait_command': 3,
                     'require_confirmation': False,
@@ -100,16 +79,16 @@ def get_settings(user_dir):
     except Exception:
         logs.exception("Can't load settings from file",
                        sys.exc_info(),
-                       Settings(conf))
+                       types.Settings(conf))
 
     try:
         conf.update(_settings_from_env())
     except Exception:
         logs.exception("Can't load settings from env",
                        sys.exc_info(),
-                       Settings(conf))
+                       types.Settings(conf))
 
-    if not isinstance(conf['rules'], RulesNamesList):
-        conf['rules'] = RulesNamesList(conf['rules'])
+    if not isinstance(conf['rules'], types.RulesNamesList):
+        conf['rules'] = types.RulesNamesList(conf['rules'])
 
-    return Settings(conf)
+    return types.Settings(conf)
diff --git a/thefuck/main.py b/thefuck/main.py
index 341c9621..ea286eb0 100644
--- a/thefuck/main.py
+++ b/thefuck/main.py
@@ -1,4 +1,3 @@
-from collections import namedtuple
 from imp import load_source
 from pathlib import Path
 from os.path import expanduser
@@ -7,12 +6,7 @@ import os
 import sys
 from psutil import Process, TimeoutExpired
 import colorama
-from . import logs, conf
-
-
-Command = namedtuple('Command', ('script', 'stdout', 'stderr'))
-Rule = namedtuple('Rule', ('name', 'match', 'get_new_command',
-                           'enabled_by_default'))
+from . import logs, conf, types
 
 
 def setup_user_dir():
@@ -28,16 +22,16 @@ def setup_user_dir():
 def load_rule(rule):
     """Imports rule module and returns it."""
     rule_module = load_source(rule.name[:-3], str(rule))
-    return Rule(rule.name[:-3], rule_module.match,
-                rule_module.get_new_command,
-                getattr(rule_module, 'enabled_by_default', True))
+    return types.Rule(rule.name[:-3], rule_module.match,
+                      rule_module.get_new_command,
+                      getattr(rule_module, 'enabled_by_default', True))
 
 
 def get_rules(user_dir, settings):
     """Returns all enabled rules."""
-    bundled = Path(__file__).parent\
-                            .joinpath('rules')\
-                            .glob('*.py')
+    bundled = Path(__file__).parent \
+        .joinpath('rules') \
+        .glob('*.py')
     user = user_dir.joinpath('rules').glob('*.py')
     for rule in sorted(list(bundled)) + list(user):
         if rule.name != '__init__.py':
@@ -77,8 +71,8 @@ def get_command(settings, args):
     result = Popen(script, shell=True, stdout=PIPE, stderr=PIPE,
                    env=dict(os.environ, LANG='C'))
     if wait_output(settings, result):
-        return Command(script, result.stdout.read().decode('utf-8'),
-                       result.stderr.read().decode('utf-8'))
+        return types.Command(script, result.stdout.read().decode('utf-8'),
+                             result.stderr.read().decode('utf-8'))
 
 
 def get_matched_rule(command, rules, settings):
diff --git a/thefuck/types.py b/thefuck/types.py
new file mode 100644
index 00000000..b426788d
--- /dev/null
+++ b/thefuck/types.py
@@ -0,0 +1,26 @@
+from collections import namedtuple
+
+
+Command = namedtuple('Command', ('script', 'stdout', 'stderr'))
+
+Rule = namedtuple('Rule', ('name', 'match', 'get_new_command',
+                           'enabled_by_default'))
+
+
+class RulesNamesList(list):
+    """Wrapper a top of list for string rules names."""
+
+    def __contains__(self, item):
+        return super(RulesNamesList, self).__contains__(item.name)
+
+
+class Settings(dict):
+
+    def __getattr__(self, item):
+        return self.get(item)
+
+    def update(self, **kwargs):
+        """Returns new settings with new values from `kwargs`."""
+        conf = dict(self)
+        conf.update(kwargs)
+        return Settings(conf)
diff --git a/thefuck/utils.py b/thefuck/utils.py
index 4c87970f..7ee66c20 100644
--- a/thefuck/utils.py
+++ b/thefuck/utils.py
@@ -1,7 +1,7 @@
 from functools import wraps
 import os
 import six
-from thefuck.main import Command
+from .types import Command
 
 
 def which(program):