diff --git a/database/migrations/2020_01_01_000300_create_bazar_items_table.php b/database/migrations/2020_01_01_000300_create_bazar_items_table.php
index 38a1a43b..51ce38c9 100644
--- a/database/migrations/2020_01_01_000300_create_bazar_items_table.php
+++ b/database/migrations/2020_01_01_000300_create_bazar_items_table.php
@@ -13,7 +13,7 @@ public function up(): void
     {
         Schema::create('bazar_items', static function (Blueprint $table): void {
             $table->uuid('id')->primary();
-            $table->morphs('itemable');
+            $table->morphs('checkoutable');
             $table->nullableMorphs('buyable');
             $table->string('name');
             $table->float('price')->unsigned();
diff --git a/src/Console/Commands/ClearCarts.php b/src/Console/Commands/ClearCarts.php
index d6411488..35156251 100644
--- a/src/Console/Commands/ClearCarts.php
+++ b/src/Console/Commands/ClearCarts.php
@@ -30,15 +30,15 @@ public function handle(): void
     {
         if ($this->option('all')) {
             Cart::proxy()->newQuery()->truncate();
-            Item::proxy()->newQuery()->where('itemable_type', Cart::getProxiedClass())->delete();
+            Item::proxy()->newQuery()->where('checkoutable_type', Cart::getProxiedClass())->delete();
             Shipping::proxy()->newQuery()->where('shippable_type', Cart::getProxiedClass())->delete();
 
             $this->info('All carts have been deleted.');
         } else {
             Item::proxy()
                 ->newQuery()
-                ->where('itemable_type', Cart::getProxiedClass())
-                ->whereIn('itemable_id', Cart::proxy()->newQuery()->expired()->select('id'))
+                ->where('checkoutable_type', Cart::getProxiedClass())
+                ->whereIn('checkoutable_id', Cart::proxy()->newQuery()->expired()->select('id'))
                 ->delete();
 
             Shipping::proxy()
diff --git a/src/Fields/Items.php b/src/Fields/Items.php
index 640eca2f..41d40502 100644
--- a/src/Fields/Items.php
+++ b/src/Fields/Items.php
@@ -20,7 +20,7 @@ class Items extends MorphMany
      */
     protected array $with = [
         'buyable',
-        'itemable',
+        'checkoutable',
     ];
 
     /**
@@ -61,14 +61,14 @@ public function fields(Request $request): array
                 ->min(0)
                 ->required()
                 ->format(static function (Request $request, Model $model, ?float $value): string {
-                    return (new Currency($value, $model->itemable->currency))->format();
+                    return (new Currency($value, $model->checkoutable->currency))->format();
                 }),
 
             Number::make(__('TAX'), 'tax')
                 ->min(0)
                 ->required()
                 ->format(static function (Request $request, Model $model, ?float $value): string {
-                    return (new Currency($value, $model->itemable->currency))->format();
+                    return (new Currency($value, $model->checkoutable->currency))->format();
                 }),
 
             Number::make(__('Quantity'), 'quantity')
diff --git a/src/Gateway/Manager.php b/src/Gateway/Manager.php
index 00082538..7249cbfb 100644
--- a/src/Gateway/Manager.php
+++ b/src/Gateway/Manager.php
@@ -3,7 +3,7 @@
 namespace Cone\Bazar\Gateway;
 
 use Cone\Bazar\Interfaces\Gateway\Manager as Contract;
-use Cone\Bazar\Interfaces\Itemable;
+use Cone\Bazar\Interfaces\Checkoutable;
 use Illuminate\Contracts\Container\Container;
 use Illuminate\Support\Manager as BaseManager;
 
@@ -31,7 +31,7 @@ public function getDefaultDriver(): string
     /**
      * Get the available drivers for the given model.
      */
-    public function getAvailableDrivers(?Itemable $model = null): array
+    public function getAvailableDrivers(?Checkoutable $model = null): array
     {
         foreach (array_keys(array_diff_key($this->customCreators, parent::getDrivers())) as $key) {
             if (! isset($this->drivers[$key])) {
diff --git a/src/Interfaces/Buyable.php b/src/Interfaces/Buyable.php
index d25f2b6e..ecab40ea 100644
--- a/src/Interfaces/Buyable.php
+++ b/src/Interfaces/Buyable.php
@@ -7,12 +7,12 @@
 interface Buyable
 {
     /**
-     * Determine whether the buyable object is available for the itemable instance.
+     * Determine whether the buyable object is available for the checkoutable instance.
      */
-    public function buyable(Itemable $itemable): bool;
+    public function buyable(Checkoutable $checkoutable): bool;
 
     /**
      * Get the item representation of the buyable instance.
      */
-    public function toItem(Itemable $itemable, array $attributes = []): Item;
+    public function toItem(Checkoutable $checkoutable, array $attributes = []): Item;
 }
diff --git a/src/Interfaces/Itemable.php b/src/Interfaces/Checkoutable.php
similarity index 94%
rename from src/Interfaces/Itemable.php
rename to src/Interfaces/Checkoutable.php
index de460881..09e786a6 100644
--- a/src/Interfaces/Itemable.php
+++ b/src/Interfaces/Checkoutable.php
@@ -6,7 +6,7 @@
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\MorphMany;
 
-interface Itemable extends Shippable
+interface Checkoutable extends Shippable
 {
     /**
      * Get the user for the model.
@@ -44,7 +44,7 @@ public function getSubtotal(): float;
     public function getFormattedSubtotal(): string;
 
     /**
-     * Get the itemable model's fee total.
+     * Get the checkoutable model's fee total.
      */
     public function getFeeTotal(): float;
 
diff --git a/src/Interfaces/Gateway/Manager.php b/src/Interfaces/Gateway/Manager.php
index e8fbc2c6..a98895e2 100644
--- a/src/Interfaces/Gateway/Manager.php
+++ b/src/Interfaces/Gateway/Manager.php
@@ -2,12 +2,12 @@
 
 namespace Cone\Bazar\Interfaces\Gateway;
 
-use Cone\Bazar\Interfaces\Itemable;
+use Cone\Bazar\Interfaces\Checkoutable;
 
 interface Manager
 {
     /**
      * Get the available drivers for the given model.
      */
-    public function getAvailableDrivers(?Itemable $model = null): array;
+    public function getAvailableDrivers(?Checkoutable $model = null): array;
 }
diff --git a/src/Interfaces/Models/Cart.php b/src/Interfaces/Models/Cart.php
index 156ce30a..2341d27f 100644
--- a/src/Interfaces/Models/Cart.php
+++ b/src/Interfaces/Models/Cart.php
@@ -3,10 +3,10 @@
 namespace Cone\Bazar\Interfaces\Models;
 
 use Cone\Bazar\Interfaces\Discountable;
-use Cone\Bazar\Interfaces\Itemable;
+use Cone\Bazar\Interfaces\Checkoutable;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
-interface Cart extends Discountable, Itemable
+interface Cart extends Discountable, Checkoutable
 {
     /**
      * Get the order for the cart.
diff --git a/src/Interfaces/Models/Item.php b/src/Interfaces/Models/Item.php
index 0ae3aa5e..23d08d1a 100644
--- a/src/Interfaces/Models/Item.php
+++ b/src/Interfaces/Models/Item.php
@@ -13,9 +13,9 @@ interface Item extends LineItem
     public function buyable(): MorphTo;
 
     /**
-     * Get the itemable model for the item.
+     * Get the checkoutable model for the item.
      */
-    public function itemable(): MorphTo;
+    public function checkoutable(): MorphTo;
 
     /**
      * Determine if the item is a line item.
diff --git a/src/Interfaces/Models/Order.php b/src/Interfaces/Models/Order.php
index bd6218ca..597a081c 100644
--- a/src/Interfaces/Models/Order.php
+++ b/src/Interfaces/Models/Order.php
@@ -3,12 +3,12 @@
 namespace Cone\Bazar\Interfaces\Models;
 
 use Cone\Bazar\Interfaces\Discountable;
-use Cone\Bazar\Interfaces\Itemable;
+use Cone\Bazar\Interfaces\Checkoutable;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\Relations\HasOne;
 use Illuminate\Notifications\Notification;
 
-interface Order extends Discountable, Itemable
+interface Order extends Discountable, Checkoutable
 {
     /**
      * Get the cart for the order.
diff --git a/src/Interfaces/Shipping/Manager.php b/src/Interfaces/Shipping/Manager.php
index b960e8a9..a7dea2cb 100644
--- a/src/Interfaces/Shipping/Manager.php
+++ b/src/Interfaces/Shipping/Manager.php
@@ -2,12 +2,12 @@
 
 namespace Cone\Bazar\Interfaces\Shipping;
 
-use Cone\Bazar\Interfaces\Itemable;
+use Cone\Bazar\Interfaces\Checkoutable;
 
 interface Manager
 {
     /**
      * Get the available drivers for the given model.
      */
-    public function getAvailableDrivers(?Itemable $model = null): array;
+    public function getAvailableDrivers(?Checkoutable $model = null): array;
 }
diff --git a/src/Models/Item.php b/src/Models/Item.php
index 040af09f..c7a1b587 100644
--- a/src/Models/Item.php
+++ b/src/Models/Item.php
@@ -78,7 +78,7 @@ class Item extends Model implements Contract
      * @var list<string>
      */
     protected $hidden = [
-        'itemable',
+        'checkoutable',
     ];
 
     /**
@@ -121,9 +121,9 @@ public function buyable(): MorphTo
     }
 
     /**
-     * Get the itemable model for the item.
+     * Get the checkoutable model for the item.
      */
-    public function itemable(): MorphTo
+    public function checkoutable(): MorphTo
     {
         return $this->morphTo()->withDefault();
     }
@@ -209,7 +209,7 @@ public function getPrice(): float
      */
     public function getFormattedPrice(): string
     {
-        return (new Currency($this->getPrice(), $this->itemable->getCurrency()))->format();
+        return (new Currency($this->getPrice(), $this->checkoutable->getCurrency()))->format();
     }
 
     /**
@@ -225,7 +225,7 @@ public function getTotal(): float
      */
     public function getFormattedTotal(): string
     {
-        return (new Currency($this->getTotal(), $this->itemable->getCurrency()))->format();
+        return (new Currency($this->getTotal(), $this->checkoutable->getCurrency()))->format();
     }
 
     /**
@@ -241,7 +241,7 @@ public function getSubtotal(): float
      */
     public function getFormattedSubtotal(): string
     {
-        return (new Currency($this->getSubtotal(), $this->itemable->getCurrency()))->format();
+        return (new Currency($this->getSubtotal(), $this->checkoutable->getCurrency()))->format();
     }
 
     /**
diff --git a/src/Models/Product.php b/src/Models/Product.php
index 301823d0..7bb1d5ed 100644
--- a/src/Models/Product.php
+++ b/src/Models/Product.php
@@ -3,11 +3,11 @@
 namespace Cone\Bazar\Models;
 
 use Cone\Bazar\Database\Factories\ProductFactory;
-use Cone\Bazar\Interfaces\Itemable;
+use Cone\Bazar\Interfaces\Checkoutable;
 use Cone\Bazar\Interfaces\Models\Product as Contract;
 use Cone\Bazar\Traits\HasPrices;
 use Cone\Bazar\Traits\HasProperties;
-use Cone\Bazar\Traits\InteractsWithItemables;
+use Cone\Bazar\Traits\InteractsWithCheckoutables;
 use Cone\Bazar\Traits\InteractsWithStock;
 use Cone\Root\Traits\HasMedia;
 use Cone\Root\Traits\HasMetaData;
@@ -28,7 +28,7 @@ class Product extends Model implements Contract
     use HasMetaData;
     use HasPrices;
     use HasProperties;
-    use InteractsWithItemables;
+    use InteractsWithCheckoutables;
     use InteractsWithProxy;
     use InteractsWithStock;
     use SoftDeletes;
@@ -92,9 +92,9 @@ public function variants(): HasMany
     }
 
     /**
-     * Determine whether the buyable object is available for the itemable instance.
+     * Determine whether the buyable object is available for the checkoutable instance.
      */
-    public function buyable(Itemable $itemable): bool
+    public function buyable(Checkoutable $checkoutable): bool
     {
         return true;
     }
@@ -150,15 +150,15 @@ function (QueryBuilder $query): QueryBuilder {
     /**
      * Get the item representation of the buyable instance.
      */
-    public function toItem(Itemable $itemable, array $attributes = []): Item
+    public function toItem(Checkoutable $checkoutable, array $attributes = []): Item
     {
         if ($variant = $this->toVariant($attributes['properties'] ?? [])) {
-            return $variant->toItem($itemable, $attributes);
+            return $variant->toItem($checkoutable, $attributes);
         }
 
         return $this->items()->make(array_merge([
             'name' => $this->name,
-            'price' => $this->getPrice($itemable->getCurrency()),
+            'price' => $this->getPrice($checkoutable->getCurrency()),
             'quantity' => 1,
         ], $attributes))->setRelation('buyable', $this);
     }
diff --git a/src/Models/Variant.php b/src/Models/Variant.php
index 1d0c1ceb..3d2cb18b 100644
--- a/src/Models/Variant.php
+++ b/src/Models/Variant.php
@@ -3,11 +3,11 @@
 namespace Cone\Bazar\Models;
 
 use Cone\Bazar\Database\Factories\VariantFactory;
-use Cone\Bazar\Interfaces\Itemable;
+use Cone\Bazar\Interfaces\Checkoutable;
 use Cone\Bazar\Interfaces\Models\Variant as Contract;
 use Cone\Bazar\Traits\HasPrices;
 use Cone\Bazar\Traits\HasProperties;
-use Cone\Bazar\Traits\InteractsWithItemables;
+use Cone\Bazar\Traits\InteractsWithCheckoutables;
 use Cone\Bazar\Traits\InteractsWithStock;
 use Cone\Root\Traits\HasMedia;
 use Cone\Root\Traits\HasMetaData;
@@ -28,7 +28,7 @@ class Variant extends Model implements Contract
         HasPrices::getPrice as __getPrice;
     }
     use HasProperties;
-    use InteractsWithItemables;
+    use InteractsWithCheckoutables;
     use InteractsWithProxy;
     use InteractsWithStock;
     use SoftDeletes;
@@ -112,9 +112,9 @@ protected function alias(): Attribute
     }
 
     /**
-     * Determine whether the buyable object is available for the itemable instance.
+     * Determine whether the buyable object is available for the checkoutable instance.
      */
-    public function buyable(Itemable $itemable): bool
+    public function buyable(Checkoutable $checkoutable): bool
     {
         return true;
     }
@@ -130,11 +130,11 @@ public function getPrice(?string $currency = null): ?float
     /**
      * Get the item representation of the buyable instance.
      */
-    public function toItem(Itemable $itemable, array $attributes = []): Item
+    public function toItem(Checkoutable $checkoutable, array $attributes = []): Item
     {
         return $this->items()->make(array_merge([
             'name' => $this->name,
-            'price' => $this->getPrice($itemable->getCurrency()),
+            'price' => $this->getPrice($checkoutable->getCurrency()),
             'quantity' => 1,
         ], $attributes))->setRelation('buyable', $this);
     }
diff --git a/src/Resources/TaxRateResource.php b/src/Resources/TaxRateResource.php
deleted file mode 100644
index e69de29b..00000000
diff --git a/src/Shipping/Manager.php b/src/Shipping/Manager.php
index 75cd67b9..1d946d84 100644
--- a/src/Shipping/Manager.php
+++ b/src/Shipping/Manager.php
@@ -2,7 +2,7 @@
 
 namespace Cone\Bazar\Shipping;
 
-use Cone\Bazar\Interfaces\Itemable;
+use Cone\Bazar\Interfaces\Checkoutable;
 use Cone\Bazar\Interfaces\Shipping\Manager as Contract;
 use Illuminate\Contracts\Container\Container;
 use Illuminate\Support\Manager as BaseManager;
@@ -30,7 +30,7 @@ public function getDefaultDriver(): string
     /**
      * Get the available drivers for the given model.
      */
-    public function getAvailableDrivers(?Itemable $model = null): array
+    public function getAvailableDrivers(?Checkoutable $model = null): array
     {
         foreach (array_keys(array_diff_key($this->customCreators, parent::getDrivers())) as $key) {
             if (! isset($this->drivers[$key])) {
diff --git a/src/Support/Driver.php b/src/Support/Driver.php
index dabe7e8b..8a6e2c1c 100644
--- a/src/Support/Driver.php
+++ b/src/Support/Driver.php
@@ -2,7 +2,7 @@
 
 namespace Cone\Bazar\Support;
 
-use Cone\Bazar\Interfaces\Itemable;
+use Cone\Bazar\Interfaces\Checkoutable;
 use Illuminate\Support\Str;
 
 abstract class Driver
@@ -29,7 +29,7 @@ public function __construct(array $config = [])
     /**
      * Determine if the driver is available for the given model.
      */
-    public function available(Itemable $model): bool
+    public function available(Checkoutable $model): bool
     {
         return $this->enabled();
     }
diff --git a/src/Support/Facades/Gateway.php b/src/Support/Facades/Gateway.php
index 78d8334d..d8403456 100644
--- a/src/Support/Facades/Gateway.php
+++ b/src/Support/Facades/Gateway.php
@@ -6,7 +6,7 @@
 use Illuminate\Support\Facades\Facade;
 
 /**
- * @method static array getAvailableDrivers(\Cone\Bazar\Interfaces\Itemable $model)
+ * @method static array getAvailableDrivers(\Cone\Bazar\Interfaces\Checkoutable $model)
  * @method static \Cone\Bazar\Gateway\Driver driver(string $driver)
  *
  * @see \Cone\Bazar\Interfaces\Gateway\Manager
diff --git a/src/Support/Facades/Shipping.php b/src/Support/Facades/Shipping.php
index 3590f57b..b033ac3d 100644
--- a/src/Support/Facades/Shipping.php
+++ b/src/Support/Facades/Shipping.php
@@ -6,7 +6,7 @@
 use Illuminate\Support\Facades\Facade;
 
 /**
- * @method static array getAvailableDrivers(\Cone\Bazar\Interfaces\Itemable $model)
+ * @method static array getAvailableDrivers(\Cone\Bazar\Interfaces\Checkoutable $model)
  *
  * @see \Cone\Bazar\Interfaces\Shipping\Manager
  */
diff --git a/src/Traits/InteractsWithItemables.php b/src/Traits/InteractsWithCheckoutables.php
similarity index 78%
rename from src/Traits/InteractsWithItemables.php
rename to src/Traits/InteractsWithCheckoutables.php
index fe32f232..58532b75 100644
--- a/src/Traits/InteractsWithItemables.php
+++ b/src/Traits/InteractsWithCheckoutables.php
@@ -8,7 +8,7 @@
 use Illuminate\Database\Eloquent\Relations\HasManyThrough;
 use Illuminate\Database\Eloquent\Relations\MorphMany;
 
-trait InteractsWithItemables
+trait InteractsWithCheckoutables
 {
     /**
      * Get the items for the product.
@@ -25,8 +25,8 @@ public function items(): MorphMany
      */
     public function orders(): HasManyThrough
     {
-        return $this->hasManyThrough(Order::getProxiedClass(), Item::getProxiedClass(), 'buyable_id', 'id', 'id', 'itemable_id')
-            ->where('itemable_type', Order::getProxiedClass())
+        return $this->hasManyThrough(Order::getProxiedClass(), Item::getProxiedClass(), 'buyable_id', 'id', 'id', 'checkoutable_id')
+            ->where('checkoutable_type', Order::getProxiedClass())
             ->where('buyable_type', static::class);
     }
 
@@ -37,8 +37,8 @@ public function orders(): HasManyThrough
      */
     public function carts(): HasManyThrough
     {
-        return $this->hasManyThrough(Cart::getProxiedClass(), Item::getProxiedClass(), 'buyable_id', 'id', 'id', 'itemable_id')
-            ->where('itemable_type', Cart::getProxiedClass())
+        return $this->hasManyThrough(Cart::getProxiedClass(), Item::getProxiedClass(), 'buyable_id', 'id', 'id', 'checkoutable_id')
+            ->where('checkoutable_type', Cart::getProxiedClass())
             ->where('buyable_type', static::class);
     }
 }
diff --git a/src/Traits/InteractsWithItems.php b/src/Traits/InteractsWithItems.php
index a5f694c3..70edbff9 100644
--- a/src/Traits/InteractsWithItems.php
+++ b/src/Traits/InteractsWithItems.php
@@ -47,7 +47,7 @@ public function user(): BelongsTo
      */
     public function items(): MorphMany
     {
-        return $this->morphMany(Item::getProxiedClass(), 'itemable');
+        return $this->morphMany(Item::getProxiedClass(), 'checkoutable');
     }
 
     /**
@@ -223,7 +223,7 @@ public function getCurrency(): string
     }
 
     /**
-     * Get the itemable model's total.
+     * Get the checkoutable model's total.
      */
     public function getTotal(): float
     {
@@ -245,7 +245,7 @@ public function getFormattedTotal(): string
     }
 
     /**
-     * Get the itemable model's subtotal.
+     * Get the checkoutable model's subtotal.
      */
     public function getSubtotal(): float
     {
@@ -265,7 +265,7 @@ public function getFormattedSubtotal(): string
     }
 
     /**
-     * Get the itemable model's fee total.
+     * Get the checkoutable model's fee total.
      */
     public function getFeeTotal(): float
     {
@@ -320,8 +320,8 @@ public function calculateTax(bool $update = true): float
     public function findItem(array $attributes): ?Item
     {
         $attributes = array_merge(['properties' => null], $attributes, [
-            'itemable_id' => $this->getKey(),
-            'itemable_type' => static::class,
+            'checkoutable_id' => $this->getKey(),
+            'checkoutable_type' => static::class,
         ]);
 
         return $this->items->first(static function (Item $item) use ($attributes): bool {
@@ -342,9 +342,9 @@ public function mergeItem(Item $item): Item
         );
 
         if (is_null($stored)) {
-            $item->itemable()->associate($this);
+            $item->checkoutable()->associate($this);
 
-            $item->setRelation('itemable', $this->withoutRelations());
+            $item->setRelation('checkoutable', $this->withoutRelations());
 
             $this->items->push($item);
 
@@ -362,8 +362,8 @@ public function mergeItem(Item $item): Item
     public function syncItems(): void
     {
         $this->items->each(static function (Item $item): void {
-            if ($item->isLineItem() && ! is_null($item->itemable)) {
-                $data = $item->buyable->toItem($item->itemable, $item->only('properties'))->only('price');
+            if ($item->isLineItem() && ! is_null($item->checkoutable)) {
+                $data = $item->buyable->toItem($item->checkoutable, $item->only('properties'))->only('price');
 
                 $item->fill($data)->calculateTax();
             }
diff --git a/src/Traits/InteractsWithTaxes.php b/src/Traits/InteractsWithTaxes.php
index e2635a9a..d146028b 100644
--- a/src/Traits/InteractsWithTaxes.php
+++ b/src/Traits/InteractsWithTaxes.php
@@ -39,7 +39,7 @@ public function getFormattedTax(): string
         $currency = Bazar::getCurrency();
 
         if ($this instanceof Item) {
-            $currency = $this->itemable->currency;
+            $currency = $this->checkoutable->currency;
         }
 
         if ($this instanceof Shipping) {
diff --git a/tests/Gateway/ManagerTest.php b/tests/Gateway/ManagerTest.php
index b0f16a0b..84b07f24 100644
--- a/tests/Gateway/ManagerTest.php
+++ b/tests/Gateway/ManagerTest.php
@@ -66,7 +66,7 @@ public function setUp(): void
         });
     }
 
-    public function test_gateway_can_list_available_drivers_for_itemable_model(): void
+    public function test_gateway_can_list_available_drivers_for_checkoutable_model(): void
     {
         $this->assertEquals(
             ['cash', 'transfer', 'custom-driver', 'failing-driver'],
diff --git a/tests/Models/ItemTest.php b/tests/Models/ItemTest.php
index 54297e8b..708de7ed 100644
--- a/tests/Models/ItemTest.php
+++ b/tests/Models/ItemTest.php
@@ -29,14 +29,14 @@ public function setUp(): void
             'properties' => ['text' => 'test-text'],
         ]);
 
-        $this->item->buyable()->associate($product)->itemable()->associate($cart)->save();
+        $this->item->buyable()->associate($product)->checkoutable()->associate($cart)->save();
     }
 
     public function test_item_is_taxable(): void
     {
         $this->assertInstanceOf(Taxable::class, $this->item);
         $this->assertSame(
-            (new Currency($this->item->tax, $this->item->itemable->currency))->format(),
+            (new Currency($this->item->tax, $this->item->checkoutable->currency))->format(),
             $this->item->getFormattedTax()
         );
         $this->assertSame($this->item->getFormattedTax(), $this->item->formattedTax);
@@ -46,7 +46,7 @@ public function test_item_has_price_attribute(): void
     {
         $this->assertSame($this->item->price, $this->item->getPrice());
         $this->assertSame(
-            (new Currency($this->item->price, $this->item->itemable->currency))->format(),
+            (new Currency($this->item->price, $this->item->checkoutable->currency))->format(),
             $this->item->getFormattedPrice()
         );
         $this->assertSame($this->item->getFormattedPrice(), $this->item->formattedPrice);
@@ -60,14 +60,14 @@ public function test_item_has_total_attribute(): void
         );
         $this->assertSame($this->item->getTotal(), $this->item->total);
         $this->assertSame(
-            (new Currency($this->item->total, $this->item->itemable->currency))->format(),
+            (new Currency($this->item->total, $this->item->checkoutable->currency))->format(),
             $this->item->getFormattedTotal()
         );
         $this->assertSame($this->item->getFormattedTotal(), $this->item->formattedTotal);
         $this->assertSame($this->item->price * $this->item->quantity, $this->item->getSubtotal());
         $this->assertSame($this->item->getSubtotal(), $this->item->subtotal);
         $this->assertSame(
-            (new Currency($this->item->subtotal, $this->item->itemable->currency))->format(),
+            (new Currency($this->item->subtotal, $this->item->checkoutable->currency))->format(),
             $this->item->getFormattedSubtotal()
         );
         $this->assertSame($this->item->getFormattedSubtotal(), $this->item->formattedSubtotal);
diff --git a/tests/Models/ProductTest.php b/tests/Models/ProductTest.php
index a4459722..65554bff 100644
--- a/tests/Models/ProductTest.php
+++ b/tests/Models/ProductTest.php
@@ -38,7 +38,7 @@ public function test_product_has_many_orders_through_items(): void
             'tax' => 0,
             'quantity' => 3,
             'name' => $this->product->name,
-        ])->itemable()->associate($order);
+        ])->checkoutable()->associate($order);
 
         $this->product->items()->save($item);
 
@@ -54,7 +54,7 @@ public function test_product_belongs_to_carts(): void
             'tax' => 0,
             'quantity' => 3,
             'name' => $this->product->name,
-        ])->itemable()->associate($cart);
+        ])->checkoutable()->associate($cart);
 
         $this->product->items()->save($item);
 
diff --git a/tests/Shipping/ManagerTest.php b/tests/Shipping/ManagerTest.php
index a9dbb688..5df5b82e 100644
--- a/tests/Shipping/ManagerTest.php
+++ b/tests/Shipping/ManagerTest.php
@@ -27,7 +27,7 @@ public function setUp(): void
         });
     }
 
-    public function test_shipping_can_list_available_drivers_for_itemable_model(): void
+    public function test_shipping_can_list_available_drivers_for_checkoutable_model(): void
     {
         $this->assertEquals(
             ['local-pickup', 'custom-driver'],