diff --git a/app/entreprises/models.py b/app/entreprises/models.py
index a079cacf..a04d115b 100644
--- a/app/entreprises/models.py
+++ b/app/entreprises/models.py
@@ -9,8 +9,8 @@ class Entreprise(db.Model):
     codepostal = db.Column(db.Text)
     ville = db.Column(db.Text)
     pays = db.Column(db.Text)
-    contacts = db.relationship('EntrepriseContact', backref='entreprise', lazy='dynamic')
-    offres = db.relationship('EntrepriseOffre', backref='entreprise', lazy='dynamic')
+    contacts = db.relationship('EntrepriseContact', backref='entreprise', lazy='dynamic', cascade="all, delete-orphan")
+    offres = db.relationship('EntrepriseOffre', backref='entreprise', lazy='dynamic', cascade="all, delete-orphan")
 
 class EntrepriseContact(db.Model):
     __tablename__ = "entreprise_contact"