diff --git a/modules/okc/backend.py b/modules/okc/backend.py
index 011eab13..a1d94693 100644
--- a/modules/okc/backend.py
+++ b/modules/okc/backend.py
@@ -19,9 +19,7 @@
 
 from __future__ import with_statement
 
-import email
 import time
-import re
 import datetime
 from html2text import unescape
 from dateutil import tz
@@ -30,11 +28,9 @@ from dateutil.parser import parse as _parse_dt
 from weboob.capabilities.base import NotLoaded
 from weboob.capabilities.messages import ICapMessages, ICapMessagesPost, Message, Thread
 #from weboob.capabilities.dating import ICapDating, OptimizationNotFound, Event
-from weboob.capabilities.contact import ICapContact, ContactPhoto, Query, QueryError
+from weboob.capabilities.contact import ICapContact, ContactPhoto, Contact
 from weboob.tools.backend import BaseBackend, BackendConfig
-from weboob.tools.browser import BrowserUnavailable
-from weboob.tools.value import Value, ValuesDict, ValueBool, ValueBackendPassword
-from weboob.tools.log import getLogger
+from weboob.tools.value import Value, ValueBackendPassword
 from weboob.tools.misc import local2utc
 
 from .browser import OkCBrowser
diff --git a/modules/okc/browser.py b/modules/okc/browser.py
index 6f531d6d..cec6b72f 100644
--- a/modules/okc/browser.py
+++ b/modules/okc/browser.py
@@ -18,18 +18,7 @@
 # along with weboob. If not, see <http://www.gnu.org/licenses/>.
 
 
-import math
-import re
-import datetime
-import random
-import urllib
-from htmlentitydefs import codepoint2name
-try:
-    import json
-except ImportError:
-    import simplejson as json
-
-from weboob.tools.browser import BaseBrowser, BrowserIncorrectPassword, BrowserUnavailable
+from weboob.tools.browser import BaseBrowser
 from weboob.tools.ordereddict import OrderedDict
 
 from .pages import LoginPage, ThreadPage, MessagesPage, PostMessagePage, ProfilePage, PhotosPage
@@ -145,7 +134,7 @@ class OkCBrowser(BaseBrowser):
         self.location(self.absurl('/messages?readmsg=true&threadid=%i&folder=1' % id))
 
         # Find the peer username
-        mails = self.page.get_thread_mails(count)       
+        mails = self.page.get_thread_mails(count)
         for mail in mails['messages']:
             if mail['id_from'] != self.get_my_name():
                 mails['member']['pseudo'] = mail['id_from']
diff --git a/modules/okc/pages.py b/modules/okc/pages.py
index 57a7e0cd..e3a9500f 100644
--- a/modules/okc/pages.py
+++ b/modules/okc/pages.py
@@ -18,9 +18,8 @@
 # along with weboob. If not, see <http://www.gnu.org/licenses/>.
 
 
-from weboob.tools.browser import BasePage, BrokenPageError
+from weboob.tools.browser import BasePage
 from weboob.tools.ordereddict import OrderedDict
-from weboob.tools.misc import html2text
 from weboob.capabilities.contact import ProfileNode
 
 class LoginPage(BasePage):