diff --git a/modules/hds/backend.py b/modules/hds/backend.py
index e0d0d196..7659cbfe 100644
--- a/modules/hds/backend.py
+++ b/modules/hds/backend.py
@@ -47,7 +47,6 @@ class HDSBackend(BaseBackend, ICapMessages):
                 thread = Thread(story.id)
                 thread.title = story.title
                 thread.date = story.date
-                thread.nb_messages = 1
                 yield thread
 
     GENDERS = ['<unknown>', 'boy', 'girl', 'transexual']
diff --git a/modules/phpbb/backend.py b/modules/phpbb/backend.py
index c55c2eb5..734e254f 100644
--- a/modules/phpbb/backend.py
+++ b/modules/phpbb/backend.py
@@ -72,7 +72,6 @@ class PhpBBBackend(BaseBackend, ICapMessages, ICapMessagesPost):
                 thread = Thread(url2id(link.url))
                 thread.title = ('%s ' % root_link.title if root_link else '') + link.title
                 thread.date = link.date
-                thread.nb_messages = link.nb_messages
                 thread.flags = thread.IS_DISCUSSION
                 yield thread
 
diff --git a/modules/phpbb/pages/forum.py b/modules/phpbb/pages/forum.py
index 2ddc3999..c9bb2fa0 100644
--- a/modules/phpbb/pages/forum.py
+++ b/modules/phpbb/pages/forum.py
@@ -39,7 +39,6 @@ class Link(object):
         self.url = url
         self.title = u''
         self.date = None
-        self.nb_messages = 0
 
 class ForumPage(PhpBBPage):
     def iter_links(self):
@@ -63,8 +62,6 @@ class ForumPage(PhpBBPage):
                         continue
                     else:
                         break
-            # it only lists number of answers, so we add 1.
-            link.nb_messages = int(li.cssselect('dd.posts')[0].text.strip()) + 1
             yield link
 
     def iter_all_forums(self):
diff --git a/weboob/applications/boobmsg/boobmsg.py b/weboob/applications/boobmsg/boobmsg.py
index 59892325..1e3007ed 100644
--- a/weboob/applications/boobmsg/boobmsg.py
+++ b/weboob/applications/boobmsg/boobmsg.py
@@ -96,19 +96,15 @@ class MessagesListFormatter(IFormatter):
 
     def format_dict_thread(self, item):
         self.count += 1
-        if item['nb_unread'] and item['nb_unread'] > 0:
-            unread = '[N]'
-        else:
-            unread = '   '
         if self.interactive:
             backend = item['id'].split('@', 1)[1]
-            result = u'%s* (%d) %s %s (%s)%s' % (self.BOLD,
-                                                 self.count, unread,
+            result = u'%s* (%d) %s (%s)%s' % (self.BOLD,
+                                                 self.count,
                                                  item['title'], backend,
                                                  self.NC)
         else:
-            result = u'%s* (%s) %s %s%s' % (self.BOLD, item['id'],
-                                            unread, item['title'],
+            result = u'%s* (%s) %s%s' % (self.BOLD, item['id'],
+                                            item['title'],
                                             self.NC)
         if item['date']:
             result += u'\n             %s' % item['date']
diff --git a/weboob/capabilities/messages.py b/weboob/capabilities/messages.py
index db1e2b7d..acb5e3ab 100644
--- a/weboob/capabilities/messages.py
+++ b/weboob/capabilities/messages.py
@@ -105,8 +105,6 @@ class Thread(CapBaseObject):
         self.add_field('root', Message)
         self.add_field('title', basestring)
         self.add_field('date', (datetime.datetime, datetime.date))
-        self.add_field('nb_messages', int)
-        self.add_field('nb_unread', int)
         self.add_field('flags', int, self.IS_THREADS)
 
     def iter_all_messages(self):