diff --git a/weboob/backends/aum/browser.py b/weboob/backends/aum/browser.py
index 2c450c39..00cf4e21 100644
--- a/weboob/backends/aum/browser.py
+++ b/weboob/backends/aum/browser.py
@@ -46,7 +46,6 @@ __all__ = ['AuMBrowser']
 
 class AuMBrowser(BaseBrowser):
     DOMAIN = 'www.adopteunmec.com'
-    PROTOCOL = 'http'
     ENCODING = 'iso-8859-1'
     PAGES = {'http://www.adopteunmec.com/': LoginPage,
              'http://www.adopteunmec.com/index.html': LoginPage,
diff --git a/weboob/backends/canaltp/browser.py b/weboob/backends/canaltp/browser.py
index fba3a7e8..ed46531e 100644
--- a/weboob/backends/canaltp/browser.py
+++ b/weboob/backends/canaltp/browser.py
@@ -22,8 +22,6 @@ from weboob.tools.misc import to_unicode
 
 class CanalTP(BaseBrowser):
     DOMAIN = 'widget.canaltp.fr'
-    PROTOCOL = 'http'
-    PAGES = {}
 
     def __init__(self):
         BaseBrowser.__init__(self, '')
diff --git a/weboob/backends/fourchan/browser.py b/weboob/backends/fourchan/browser.py
index eea2bfc2..3722f123 100644
--- a/weboob/backends/fourchan/browser.py
+++ b/weboob/backends/fourchan/browser.py
@@ -21,7 +21,6 @@ from .pages.board import BoardPage
 
 class FourChan(BaseBrowser):
     DOMAIN = 'boards.4chan.org'
-    PROTOCOL = 'http'
     PAGES = {'http://boards.4chan.org/\w+/': BoardPage,
              'http://boards.4chan.org/\w+/res/\d+': BoardPage,
             }
diff --git a/weboob/backends/transilien/browser.py b/weboob/backends/transilien/browser.py
index e00aec05..0491173b 100644
--- a/weboob/backends/transilien/browser.py
+++ b/weboob/backends/transilien/browser.py
@@ -114,7 +114,6 @@ class Parser(HTMLParser.HTMLParser):
 
 class Transilien(BaseBrowser):
     DOMAIN = 'www.transilien.com'
-    PROTOCOL = 'http'
     PAGES = {'http://www\.transilien\.com/web/ITProchainsTrainsAvecDest\.do\?.*': RoutePage,
              'http://www\.transilien\.com/web/ITProchainsTrains\.do\?.*': RoutePage
             }
diff --git a/weboob/backends/youjizz/browser.py b/weboob/backends/youjizz/browser.py
index 2cb3c237..e7a99067 100644
--- a/weboob/backends/youjizz/browser.py
+++ b/weboob/backends/youjizz/browser.py
@@ -34,7 +34,7 @@ __all__ = ['YoujizzBrowser']
 
 class YoujizzBrowser(BaseBrowser):
     DOMAIN = 'youjizz.com'
-    PROTOCOL = 'http'
+    ENCODING = None
     PAGES = {r'http://.*youjizz\.com/?': IndexPage,
              r'http://.*youjizz\.com/index.php': IndexPage,
              r'http://.*youjizz\.com/search/.+\.html': IndexPage,
diff --git a/weboob/backends/youporn/browser.py b/weboob/backends/youporn/browser.py
index 309cbfb8..aaa5ec97 100644
--- a/weboob/backends/youporn/browser.py
+++ b/weboob/backends/youporn/browser.py
@@ -32,7 +32,6 @@ __all__ = ['YoupornBrowser']
 
 class YoupornBrowser(BaseBrowser):
     DOMAIN = 'youporn.com'
-    PROTOCOL = 'http'
     PAGES = {'http://[w\.]*youporn\.com/?': IndexPage,
              'http://[w\.]*youporn\.com/search.*': IndexPage,
              'http://[w\.]*youporn\.com/watch/(?P<id>.+)': VideoPage,