diff --git a/matemat/db/database.py b/matemat/db/database.py
index 5c41300..c297721 100644
--- a/matemat/db/database.py
+++ b/matemat/db/database.py
@@ -1,3 +1,4 @@
+
 from typing import List, Optional
 
 import apsw
@@ -254,7 +255,7 @@ class Database(object):
                 FROM products
               '''):
                 product_id, name, price_member, price_external = row
-                products.append(Product.from_database(product_id, name, price_member, price_external))
+                products.append(Product(product_id, name, price_member, price_external))
         return products
 
     def create_product(self, name: str, price_member: int, price_non_member: int) -> Product:
@@ -273,7 +274,7 @@ class Database(object):
             })
             c.execute('SELECT last_insert_rowid()')
             product_id = int(c.fetchone()[0])
-        return Product.from_database(product_id, name, price_member, price_non_member)
+        return Product(product_id, name, price_member, price_non_member)
 
     def change_product(self, product: Product):
         if product.id == -1:
diff --git a/matemat/db/test/test_database.py b/matemat/db/test/test_database.py
index 76f57c7..a03fbd4 100644
--- a/matemat/db/test/test_database.py
+++ b/matemat/db/test/test_database.py
@@ -49,11 +49,13 @@ class DatabaseTest(unittest.TestCase):
         """
         with self.db as db:
             with db.transaction() as c:
-                c.execute("INSERT INTO users VALUES (1, 'testuser', NULL, 'supersecurepassword', NULL, 1, 1, 0, NULL)")
+                c.execute('''
+                INSERT INTO users VALUES (1, 'testuser', NULL, 'supersecurepassword', NULL, 1, 1, 0, 42)
+                ''')
             c = db._sqlite_db.cursor()
             c.execute("SELECT * FROM users")
             user = c.fetchone()
-            self.assertEqual((1, 'testuser', None, 'supersecurepassword', None, 1, 1, 0, None), user)
+            self.assertEqual((1, 'testuser', None, 'supersecurepassword', None, 1, 1, 0, 42), user)
 
     def test_transaction_rollback(self):
         """
@@ -63,7 +65,7 @@ class DatabaseTest(unittest.TestCase):
             try:
                 with db.transaction() as c:
                     c.execute("""
-                      INSERT INTO users VALUES (1, 'testuser', NULL, 'supersecurepassword', NULL, 1, 1, 0, NULL)
+                      INSERT INTO users VALUES (1, 'testuser', NULL, 'supersecurepassword', NULL, 1, 1, 0, 42)
                     """)
                     raise ValueError('This should trigger a rollback')
             except ValueError as e:
diff --git a/matemat/primitives/Product.py b/matemat/primitives/Product.py
index a761064..f3d1674 100644
--- a/matemat/primitives/Product.py
+++ b/matemat/primitives/Product.py
@@ -2,24 +2,15 @@
 class Product(object):
 
     def __init__(self,
-                 product_id: int = -1,
-                 name: str = '',
-                 price_member: int = 0,
-                 price_non_member: int = 0):
+                 product_id: int,
+                 name: str,
+                 price_member: int,
+                 price_non_member: int):
         self._product_id: int = product_id
         self._name: str = name
         self._price_member: int = price_member
         self._price_non_member: int = price_non_member
 
-    @classmethod
-    def from_database(cls,
-                      product_id: int,
-                      name: str,
-                      price_member: int,
-                      price_non_member: int) -> 'Product':
-        product = cls(product_id, name, price_member, price_non_member)
-        return product
-
     @property
     def id(self) -> int:
         return self._product_id