diff --git a/addons/crm/report/report_businessopp.py b/addons/crm/report/report_businessopp.py
index e417e241af1..08d472c724d 100644
--- a/addons/crm/report/report_businessopp.py
+++ b/addons/crm/report/report_businessopp.py
@@ -30,7 +30,6 @@ from report.interface import report_int
 from pychart import *
 
 theme.use_color = 1
-random.seed(0)
 
 class external_pdf(render):
 
diff --git a/addons/mrp/report/workcenter_load.py b/addons/mrp/report/workcenter_load.py
index 95331d6fdf0..fa447f91bc5 100644
--- a/addons/mrp/report/workcenter_load.py
+++ b/addons/mrp/report/workcenter_load.py
@@ -27,14 +27,11 @@ from dateutil.relativedelta import relativedelta
 
 from report.misc import choice_colors
 
-import random
 import StringIO
 
 from pychart import *
 
-
 theme.use_color = 1
-random.seed(0)
 
 #
 # TODO: Bad code, seems buggy, TO CHECK !