diff --git a/models/deal.py b/models/deal.py
index cc04241..be038b3 100644
--- a/models/deal.py
+++ b/models/deal.py
@@ -25,7 +25,7 @@ class Deal(BaseModel):
     created_at = Column(DateTime, nullable=False, comment='Дата создания')
     current_status = Column(Integer, nullable=False, comment='Текущий статус')
 
-    client_id = Column(Integer, ForeignKey('clients.id'), nullable=False, comment='ID клиента', cascade='all, delete')
+    client_id = Column(Integer, ForeignKey('clients.id'), nullable=False, comment='ID клиента', cascade='all, delete-orphan')
     client = relationship('Client', backref='deals')
 
     status_history = relationship('DealStatusHistory', back_populates='deal', cascade="all, delete-orphan")
diff --git a/models/secondary.py b/models/secondary.py
index 6b23905..684855d 100644
--- a/models/secondary.py
+++ b/models/secondary.py
@@ -10,7 +10,7 @@ class DealService(BaseModel):
                      nullable=False,
                      comment='ID Сделки',
                      primary_key=True,
-                     cascade='all, delete')
+                     cascade='all, delete-orphan')
     deal = relationship('Deal', back_populates='services')
 
     service_id = Column(Integer, ForeignKey('services.id'), nullable=False, comment='ID Услуги', primary_key=True)
@@ -26,7 +26,7 @@ class DealProduct(BaseModel):
                      nullable=False,
                      comment='ID Сделки',
                      primary_key=True,
-                     cascade='all, delete'
+                     cascade='all, delete-orphan'
                      )
     deal = relationship('Deal', back_populates='products')