diff --git a/tests/crud/create_lineitem.rs b/tests/crud/create_lineitem.rs
index 22810913..1030651a 100644
--- a/tests/crud/create_lineitem.rs
+++ b/tests/crud/create_lineitem.rs
@@ -105,7 +105,7 @@ pub async fn test_create_lineitem(db: &DbConn) {
 
     assert_eq!(lineitem_model.price, dec!(7.55));
 
-    let cake: Option<cake::Model> = Cake::find_by_id(lineitem_model.cake_id as u64)
+    let cake: Option<cake::Model> = Cake::find_by_id(lineitem_model.cake_id)
         .one(db)
         .await
         .expect("could not find cake");
diff --git a/tests/crud/create_order.rs b/tests/crud/create_order.rs
index e613802b..e3b12b52 100644
--- a/tests/crud/create_order.rs
+++ b/tests/crud/create_order.rs
@@ -103,7 +103,7 @@ pub async fn test_create_order(db: &DbConn) {
     let order_model = order.unwrap();
     assert_eq!(order_model.total, dec!(15.10));
 
-    let customer: Option<customer::Model> = Customer::find_by_id(order_model.customer_id as u64)
+    let customer: Option<customer::Model> = Customer::find_by_id(order_model.customer_id)
         .one(db)
         .await
         .expect("could not find customer");
@@ -111,7 +111,7 @@ pub async fn test_create_order(db: &DbConn) {
     let customer_model = customer.unwrap();
     assert_eq!(customer_model.name, "Kate");
 
-    let bakery: Option<bakery::Model> = Bakery::find_by_id(order_model.bakery_id as i64)
+    let bakery: Option<bakery::Model> = Bakery::find_by_id(order_model.bakery_id)
         .one(db)
         .await
         .expect("could not find bakery");
diff --git a/tests/crud/updates.rs b/tests/crud/updates.rs
index 94c11aaf..df797ed3 100644
--- a/tests/crud/updates.rs
+++ b/tests/crud/updates.rs
@@ -131,7 +131,7 @@ pub async fn test_update_deleted_customer(db: &DbConn) {
     assert_eq!(Customer::find().count(db).await.unwrap(), init_n_customers);
 
     let customer: Option<customer::Model> =
-        Customer::find_by_id(customer_id.clone().unwrap() as i64)
+        Customer::find_by_id(customer_id.clone().unwrap())
             .one(db)
             .await
             .expect("could not find customer");
diff --git a/tests/sequential_op_tests.rs b/tests/sequential_op_tests.rs
index 6e1377bc..300812cf 100644
--- a/tests/sequential_op_tests.rs
+++ b/tests/sequential_op_tests.rs
@@ -183,7 +183,7 @@ async fn find_baker_least_sales(db: &DatabaseConnection) -> Option<baker::Model>
 
     results.sort_by(|a, b| b.cakes_sold.cmp(&a.cakes_sold));
 
-    Baker::find_by_id(results.last().unwrap().id as i64)
+    Baker::find_by_id(results.last().unwrap().id)
         .one(db)
         .await
         .unwrap()