diff --git a/addons/base_contact/base_contact_installer.py b/addons/base_contact/base_contact_installer.py
index febba654350..4568fa25193 100644
--- a/addons/base_contact/base_contact_installer.py
+++ b/addons/base_contact/base_contact_installer.py
@@ -19,7 +19,6 @@
 #
 ##############################################################################
 
-from lxml import etree
 from osv import fields, osv
 
 class base_contact_installer(osv.osv_memory):
diff --git a/addons/base_module_doc_rst/base_module_doc_rst.py b/addons/base_module_doc_rst/base_module_doc_rst.py
index 57b26fd0d44..06393fa99ff 100644
--- a/addons/base_module_doc_rst/base_module_doc_rst.py
+++ b/addons/base_module_doc_rst/base_module_doc_rst.py
@@ -23,9 +23,7 @@ import pydot
 import base64
 
 import report
-from osv import fields, osv, orm
-import tools
-from tools.translate import _
+from osv import fields, osv
 import addons
 
 class module(osv.osv):
diff --git a/addons/base_synchro/base_synchro_obj.py b/addons/base_synchro/base_synchro_obj.py
index f71e64cdf77..85ac6f95434 100644
--- a/addons/base_synchro/base_synchro_obj.py
+++ b/addons/base_synchro/base_synchro_obj.py
@@ -19,8 +19,6 @@
 #
 ##############################################################################
 from osv import fields,osv
-import tools
-import re
 import time
 
 class base_synchro_server(osv.osv):