diff --git a/addons/crm/crm_lead_demo.xml b/addons/crm/crm_lead_demo.xml
index 7aa9df5f45b..1a2dd26f691 100644
--- a/addons/crm/crm_lead_demo.xml
+++ b/addons/crm/crm_lead_demo.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0"?>
 <openerp>
-    <!-- <data noupdate="1"> -->
-    <data>
+    <data noupdate="1">
 
         <!--  Demo Leads -->
         <record id="crm_case_1" model="crm.lead">
diff --git a/addons/mail/data/mail_demo.xml b/addons/mail/data/mail_demo.xml
index 144cc0ff002..5ae2debbe7e 100644
--- a/addons/mail/data/mail_demo.xml
+++ b/addons/mail/data/mail_demo.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <openerp>
-    <data noupdate="0">
+    <data noupdate="1">
 
         <!-- Update 'Demo user' and partners email preferences to avoid mail bombing -->
         <record id="base.partner_demo" model="res.partner">
diff --git a/addons/mail/data/mail_group_demo_data.xml b/addons/mail/data/mail_group_demo_data.xml
index 21e10e278df..535948a2337 100644
--- a/addons/mail/data/mail_group_demo_data.xml
+++ b/addons/mail/data/mail_group_demo_data.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <openerp>
-    <!-- <data noupdate="1"> -->
-    <data>
+    <data noupdate="1">
 
         <!-- Discussion groups, done in 2 steps to remove creator from followers -->
         <record model="mail.group" id="group_best_sales_practices">