diff --git a/__manifest__.py b/__manifest__.py
index 255efbd8a18f8ea8128eb59d528ddddc80a674d8..8b388b9737a2877f097fa18d2044e6c735f4f2bd 100644
--- a/__manifest__.py
+++ b/__manifest__.py
@@ -36,6 +36,5 @@
         "datas/scop.legal.event.type.csv",
         "datas/scop.membership.reason.end.csv",
         "datas/scop.membership.type.csv",
-        "datas/scop.staff.collection.csv",
     ]
 }
diff --git a/datas/scop.staff.collection.csv b/datas/scop.staff.collection.csv
deleted file mode 100644
index e953ba5a2969662d658ddac818ebf102732dbcdd..0000000000000000000000000000000000000000
--- a/datas/scop.staff.collection.csv
+++ /dev/null
@@ -1,4 +0,0 @@
-id,name
-collection_type_1,Prévisionnelle
-collection_type_2,Révision
-collection_type_3,Visite
diff --git a/models/res_partner.py b/models/res_partner.py
index 93555ff1af1ac838b689293dd73db722e051037f..59333580cd6ba16c02e5a6bda7b3cc9c52b0da71 100644
--- a/models/res_partner.py
+++ b/models/res_partner.py
@@ -131,7 +131,7 @@ class ScopPartner(models.Model):
         on_delete='restrict')
 
     # Infos juridiques
-    siren = fields.Char(string='SIREN', size=9)
+    siren = fields.Char(string='SIREN', size=9, compute='_compute_siren')
     dissolution_date = fields.Date('Date de Décès')
     dissolution_reason_id = fields.Many2one(
         'res.partner.dissolution.reason',
@@ -173,7 +173,6 @@ class ScopPartner(models.Model):
     # Contacts / Adresses
     is_main_location = fields.Boolean("Est l'établissement principal")
 
-
     # Périodes juridiques
     scop_period_ids = fields.One2many(
         comodel_name='scop.period',
@@ -324,6 +323,11 @@ class ScopPartner(models.Model):
         for coop in self:
             coop.creation_suborigin_id = False
 
+    @api.model
+    def _compute_siren(self):
+        for company in self:
+            company.siren = company.siret[:9]
+
 
 class ResPartneCertification(models.Model):
     _name = "res.partner.certification"
diff --git a/security/ir.model.access.csv b/security/ir.model.access.csv
index 23a547eb4feffa803e4017e645c54d6f555ddfe7..72df6d4278946bfc360b03c8ad47753864a50289 100644
--- a/security/ir.model.access.csv
+++ b/security/ir.model.access.csv
@@ -1,6 +1,5 @@
 id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
 access_liasse_fiscale_group_user,access.liasse.fiscale.group.user,model_scop_liasse_fiscale,base.group_user,1,1,1,1
-access_effectif_group_user,access.social.information.group.user,model_scop_staff,base.group_user,1,1,1,1
 access_contribution_group_user,access.contribution.group.user,model_scop_contribution,base.group_user,1,1,1,1
 access_financial_tools_group_user,access.financial.tools.group.user,model_scop_financial_tools,base.group_user,1,1,1,1
 access_ministry_list_group_user,access.ministry.list.group.user,model_scop_ministry_list,base.group_user,1,1,1,1