diff --git a/addons/calendar/security/calendar_security.xml b/addons/calendar/security/calendar_security.xml
deleted file mode 100644
index 7c4363d21fc..00000000000
--- a/addons/calendar/security/calendar_security.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<openerp>
-   <data noupdate="0">
-       <record model="res.groups" id="base.group_survey_user">
-            <field name="name">Survey / User</field>
-            <field name="users" eval="[(4, ref('base.user_root'))]"/>
-       </record>
-    </data>
-</openerp>
diff --git a/addons/calendar/security/ir.model.access.csv b/addons/calendar/security/ir.model.access.csv
index caa7f0c6970..4da2e1a1cc6 100644
--- a/addons/calendar/security/ir.model.access.csv
+++ b/addons/calendar/security/ir.model.access.csv
@@ -1,7 +1,6 @@
 id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
 access_calendar_attendee,calendar.attendee,model_calendar_attendee,,1,1,1,1
 access_calendar_alarm,calendar.alarm,model_calendar_alarm,base.group_user,1,1,1,1
-access_calendar_attendee_survey_user,calendar.attendee,model_calendar_attendee,base.group_survey_user,1,0,0,0
 access_calendar_event_manager,calendar.event.manager,model_calendar_event,base.group_sale_manager,1,1,1,1
 access_calendar_event,calendar.event,model_calendar_event,base.group_sale_salesman,1,1,1,0
 access_calendar_event_all,calendar.event_all,model_calendar_event,base.group_user,1,1,1,1