diff --git a/security/security_rules.xml b/security/security_rules.xml
index c092588dc09c8fb19fb1e7cfa61b82470d21e83f..dd2d501dc71b306260330dd4ad64357165a5b910 100644
--- a/security/security_rules.xml
+++ b/security/security_rules.xml
@@ -18,7 +18,7 @@
 
         <record id="group_cg_administrative" model="res.groups">
             <field name="name">Administratif CG</field>
-            <field name="implied_ids" eval="[(4, ref('cgscop_partner.group_add_period')), (4, ref('cgscop_partner.group_edit_period'))]"/>
+            <field name="implied_ids" eval="[(4, ref('cgscop_partner.group_add_period'))]"/>
         </record>
 
         <record id="group_cg_administrator" model="res.groups">