diff --git a/Lesson4/step2/database_setup.py b/Lesson4/step2/database_setup.py
index f49c971..a5ec291 100644
--- a/Lesson4/step2/database_setup.py
+++ b/Lesson4/step2/database_setup.py
@@ -1,6 +1,6 @@
 from sqlalchemy import Column, ForeignKey, Integer, String
 from sqlalchemy.ext.declarative import declarative_base
-from sqlalchemy.orm import relationship
+from sqlalchemy.orm import relationship, backref
 from sqlalchemy import create_engine
 
 Base = declarative_base()
@@ -41,7 +41,7 @@ class MenuItem(Base):
     price = Column(String(8))
     course = Column(String(250))
     restaurant_id = Column(Integer, ForeignKey('restaurant.id'))
-    restaurant = relationship(Restaurant)
+    restaurant = relationship(Restaurant, backref=backref("items", cascade="all,delete"))
     user_id = Column(Integer, ForeignKey('user.id'))
     user = relationship(User)