diff --git a/app/Domains/Purchase/Models/PurchaseItem.php b/app/Domains/Purchase/Models/PurchaseItem.php
index 7f82f2c..2894caa 100644
--- a/app/Domains/Purchase/Models/PurchaseItem.php
+++ b/app/Domains/Purchase/Models/PurchaseItem.php
@@ -23,18 +23,11 @@ use Illuminate\Database\Eloquent\Relations\BelongsTo;
     'discount_total',
     'tax_total',
     'total',
-    'reservation_status',
 ])]
 class PurchaseItem extends Model
 {
     use HasFactory;
 
-    public const RESERVATION_ACTIVE = 'active';
-
-    public const RESERVATION_COMMITTED = 'committed';
-
-    public const RESERVATION_RELEASED = 'released';
-
     protected $table = 'compra_items';
 
     protected function casts(): array
diff --git a/app/Domains/Purchase/Services/Checkout/CatalogSelectionResolver.php b/app/Domains/Purchase/Services/Checkout/CatalogSelectionResolver.php
index db246ed..cfa9233 100644
--- a/app/Domains/Purchase/Services/Checkout/CatalogSelectionResolver.php
+++ b/app/Domains/Purchase/Services/Checkout/CatalogSelectionResolver.php
@@ -5,7 +5,6 @@ namespace App\Domains\Purchase\Services\Checkout;
 use App\Domains\Catalog\Models\CatalogItem;
 use App\Domains\Catalog\Models\Inventory;
 use App\Domains\Catalog\Models\Variant;
-use App\Domains\Purchase\Models\PurchaseItem;
 use App\Domains\Tenant\Models\Tenant;
 use Illuminate\Validation\ValidationException;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
@@ -79,13 +78,4 @@ class CatalogSelectionResolver
 
         return $variant;
     }
-
-    public function resolvePurchaseItem(Tenant $tenant, PurchaseItem $item): CatalogItem|Variant
-    {
-        return $this->resolve(
-            $tenant,
-            (int) $item->source_catalog_item_id,
-            $item->source_variant_id === null ? null : (int) $item->source_variant_id,
-        );
-    }
 }
diff --git a/app/Domains/Purchase/Services/Checkout/CompleteCheckoutService.php b/app/Domains/Purchase/Services/Checkout/CompleteCheckoutService.php
index 09be4ef..adbfd58 100644
--- a/app/Domains/Purchase/Services/Checkout/CompleteCheckoutService.php
+++ b/app/Domains/Purchase/Services/Checkout/CompleteCheckoutService.php
@@ -3,10 +3,8 @@
 namespace App\Domains\Purchase\Services\Checkout;
 
 use App\Domains\Cart\Models\CartItem;
-use App\Domains\Catalog\Services\CatalogInventoryService;
 use App\Domains\Catalog\Services\StockReservationService;
 use App\Domains\Purchase\Models\Purchase;
-use App\Domains\Purchase\Models\PurchaseItem;
 use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Validation\ValidationException;
@@ -14,9 +12,7 @@ use Illuminate\Validation\ValidationException;
 class CompleteCheckoutService
 {
     public function __construct(
-        private readonly CatalogInventoryService $inventory,
         private readonly StockReservationService $reservations,
-        private readonly CatalogSelectionResolver $selections,
         private readonly SourceCartService $sourceCart,
         private readonly PurchaseItemSnapshotFactory $snapshots,
     ) {}
@@ -89,70 +85,51 @@ class CompleteCheckoutService
                 ]);
             }
 
-            $items = $purchase->items()
-                ->where('reservation_status', PurchaseItem::RESERVATION_ACTIVE)
-                ->lockForUpdate()
-                ->get();
-
-            if ($items->isEmpty() && ! $purchase->items()->exists()) {
-                $cart = $purchase->cart()->lockForUpdate()->first();
-                if ($cart === null || $cart->status !== 'checkout') {
-                    throw ValidationException::withMessages([
-                        'items' => __('api.purchase.inconsistent_reservation'),
-                    ]);
+            if ($purchase->items()->exists()) {
+                $cart = $purchase->cart()->withTrashed()->lockForUpdate()->first();
+                if ($cart?->status === 'converted' && $cart->trashed()) {
+                    return;
                 }
 
-                $cartItems = $cart->items()->orderBy('id')->lockForUpdate()->get();
-                if ($cartItems->isEmpty()) {
-                    throw ValidationException::withMessages([
-                        'items' => __('api.purchase.inconsistent_reservation'),
-                    ]);
-                }
-
-                $this->loadCartItems($cartItems);
-                $items = $purchase->items()->createMany(
-                    $this->snapshots->fromCartItems($cartItems),
-                );
-
-                foreach ($cartItems as $cartItem) {
-                    $selection = $cartItem->selectedItem();
-                    if ($selection === null) {
-                        throw ValidationException::withMessages([
-                            'items' => __('api.purchase.inconsistent_reservation'),
-                        ]);
-                    }
-
-                    try {
-                        $this->reservations->commit($cartItem, $selection);
-                    } catch (\InvalidArgumentException) {
-                        throw ValidationException::withMessages([
-                            'items' => __('api.purchase.inconsistent_reservation'),
-                        ]);
-                    }
-                }
-
-                $purchase->items()->update([
-                    'reservation_status' => PurchaseItem::RESERVATION_COMMITTED,
+                throw ValidationException::withMessages([
+                    'items' => __('api.purchase.inconsistent_reservation'),
                 ]);
-                $this->sourceCart->finalize($purchase);
-
-                return;
             }
 
-            foreach ($items as $item) {
-                $selection = $this->selections->resolvePurchaseItem($purchase->tenant, $item);
+            $cart = $purchase->cart()->lockForUpdate()->first();
+            if ($cart === null || $cart->status !== 'checkout') {
+                throw ValidationException::withMessages([
+                    'items' => __('api.purchase.inconsistent_reservation'),
+                ]);
+            }
+
+            $cartItems = $cart->items()->orderBy('id')->lockForUpdate()->get();
+            if ($cartItems->isEmpty()) {
+                throw ValidationException::withMessages([
+                    'items' => __('api.purchase.inconsistent_reservation'),
+                ]);
+            }
+
+            $this->loadCartItems($cartItems);
+            $purchase->items()->createMany(
+                $this->snapshots->fromCartItems($cartItems),
+            );
+
+            foreach ($cartItems as $cartItem) {
+                $selection = $cartItem->selectedItem();
+                if ($selection === null) {
+                    throw ValidationException::withMessages([
+                        'items' => __('api.purchase.inconsistent_reservation'),
+                    ]);
+                }
 
                 try {
-                    $this->inventory->commit($selection, (int) $item->cantidad);
+                    $this->reservations->commit($cartItem, $selection);
                 } catch (\InvalidArgumentException) {
                     throw ValidationException::withMessages([
                         'items' => __('api.purchase.inconsistent_reservation'),
                     ]);
                 }
-
-                $item->update([
-                    'reservation_status' => PurchaseItem::RESERVATION_COMMITTED,
-                ]);
             }
 
             $this->sourceCart->finalize($purchase);
diff --git a/app/Domains/Purchase/Services/Checkout/EditCheckoutService.php b/app/Domains/Purchase/Services/Checkout/EditCheckoutService.php
index 6bee44a..0151a2b 100644
--- a/app/Domains/Purchase/Services/Checkout/EditCheckoutService.php
+++ b/app/Domains/Purchase/Services/Checkout/EditCheckoutService.php
@@ -4,10 +4,8 @@ namespace App\Domains\Purchase\Services\Checkout;
 
 use App\Domains\Cart\Models\CartItem;
 use App\Domains\Catalog\Models\Variant;
-use App\Domains\Catalog\Services\CatalogInventoryService;
 use App\Domains\Catalog\Services\StockReservationService;
 use App\Domains\Purchase\Models\Purchase;
-use App\Domains\Purchase\Models\PurchaseItem;
 use App\Domains\Purchase\Services\UserPurchaseLimitService;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Validation\ValidationException;
@@ -16,11 +14,9 @@ use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 class EditCheckoutService
 {
     public function __construct(
-        private readonly CatalogInventoryService $inventory,
         private readonly StockReservationService $reservations,
         private readonly UserPurchaseLimitService $purchaseLimits,
         private readonly CatalogSelectionResolver $selections,
-        private readonly SourceCartService $sourceCart,
     ) {}
 
     /** @param array<string, string> $customerData */
@@ -50,28 +46,7 @@ class EditCheckoutService
                 ]);
             }
 
-            if (! $purchase->items()->exists()) {
-                return $this->updateCartItemQuantity($purchase, $itemId, $quantity);
-            }
-
-            $purchaseItem = $this->lockPurchaseItem($purchase, $itemId);
-            $difference = $quantity - (int) $purchaseItem->cantidad;
-
-            if ($difference !== 0) {
-                $this->adjustReservation($purchase, $purchaseItem, $quantity, $difference);
-
-                $purchaseItem->update([
-                    'cantidad' => $quantity,
-                    'total' => (float) $purchaseItem->precio_unitario * $quantity,
-                ]);
-                $this->sourceCart->syncItemQuantity($purchase, $purchaseItem, $quantity);
-            }
-
-            $purchase->update([
-                'total' => $purchase->calculateCurrentTotalAmount(),
-            ]);
-
-            return $this->loadPurchase($purchase);
+            return $this->updateCartItemQuantity($purchase, $itemId, $quantity);
         });
     }
 
@@ -91,9 +66,7 @@ class EditCheckoutService
                 ),
             ]);
 
-            if (! $purchase->items()->exists()) {
-                $this->attachCartReservations($purchase);
-            }
+            $this->attachCartReservations($purchase);
 
             return $this->loadPurchase($purchase);
         });
@@ -151,60 +124,6 @@ class EditCheckoutService
         return $this->loadPurchase($purchase);
     }
 
-    private function adjustReservation(
-        Purchase $purchase,
-        PurchaseItem $purchaseItem,
-        int $quantity,
-        int $difference,
-    ): void {
-        $selection = $this->selections->resolvePurchaseItem($purchase->tenant, $purchaseItem);
-
-        try {
-            if ($difference > 0) {
-                $otherItemQuantity = (int) $purchase->items()
-                    ->where('source_catalog_item_id', $purchaseItem->source_catalog_item_id)
-                    ->whereKeyNot($purchaseItem->getKey())
-                    ->sum('cantidad');
-                $catalogItem = $selection instanceof Variant ? $selection->catalogItem : $selection;
-
-                $this->purchaseLimits->assertCanPurchase(
-                    $catalogItem,
-                    (int) $purchase->user_id,
-                    $otherItemQuantity + $quantity,
-                    $purchase->getKey(),
-                );
-                $this->inventory->reserve($selection, $difference);
-            } else {
-                $this->inventory->release($selection, abs($difference));
-            }
-        } catch (\InvalidArgumentException) {
-            throw ValidationException::withMessages([
-                'quantity' => __('api.purchase.insufficient_stock'),
-            ]);
-        }
-    }
-
-    private function lockPurchaseItem(Purchase $purchase, int $itemId): PurchaseItem
-    {
-        /** @var PurchaseItem|null $lockedItem */
-        $lockedItem = $purchase->items()
-            ->whereKey($itemId)
-            ->lockForUpdate()
-            ->first();
-
-        if ($lockedItem === null) {
-            throw new NotFoundHttpException('Purchase item not found.');
-        }
-
-        if ($lockedItem->reservation_status !== PurchaseItem::RESERVATION_ACTIVE) {
-            throw ValidationException::withMessages([
-                'item' => __('api.purchase.item_not_editable'),
-            ]);
-        }
-
-        return $lockedItem;
-    }
-
     private function attachCartReservations(Purchase $purchase): void
     {
         $cartItems = $purchase->cart?->items()->lockForUpdate()->get() ?? collect();
diff --git a/app/Domains/Purchase/Services/Checkout/PurchaseItemSnapshotFactory.php b/app/Domains/Purchase/Services/Checkout/PurchaseItemSnapshotFactory.php
index e1711a2..582dfc1 100644
--- a/app/Domains/Purchase/Services/Checkout/PurchaseItemSnapshotFactory.php
+++ b/app/Domains/Purchase/Services/Checkout/PurchaseItemSnapshotFactory.php
@@ -5,7 +5,6 @@ namespace App\Domains\Purchase\Services\Checkout;
 use App\Domains\Attachable\Models\Attachment;
 use App\Domains\Cart\Models\CartItem;
 use App\Domains\Catalog\Models\Variant;
-use App\Domains\Purchase\Models\PurchaseItem;
 use Illuminate\Support\Collection;
 
 class PurchaseItemSnapshotFactory
@@ -38,7 +37,6 @@ class PurchaseItemSnapshotFactory
                     'discount_total' => null,
                     'tax_total' => null,
                     'total' => $unitPrice * $quantity,
-                    'reservation_status' => PurchaseItem::RESERVATION_ACTIVE,
                 ];
             })
             ->all();
diff --git a/app/Domains/Purchase/Services/Checkout/ReleaseCheckoutService.php b/app/Domains/Purchase/Services/Checkout/ReleaseCheckoutService.php
index 8dc3ab9..dcf7c68 100644
--- a/app/Domains/Purchase/Services/Checkout/ReleaseCheckoutService.php
+++ b/app/Domains/Purchase/Services/Checkout/ReleaseCheckoutService.php
@@ -3,19 +3,15 @@
 namespace App\Domains\Purchase\Services\Checkout;
 
 use App\Domains\Catalog\Models\StockReservation;
-use App\Domains\Catalog\Services\CatalogInventoryService;
 use App\Domains\Catalog\Services\StockReservationService;
 use App\Domains\Purchase\Models\Purchase;
-use App\Domains\Purchase\Models\PurchaseItem;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Validation\ValidationException;
 
 class ReleaseCheckoutService
 {
     public function __construct(
-        private readonly CatalogInventoryService $inventory,
         private readonly StockReservationService $reservations,
-        private readonly CatalogSelectionResolver $selections,
         private readonly SourceCartService $sourceCart,
     ) {}
 
@@ -80,29 +76,15 @@ class ReleaseCheckoutService
                 return $this->loadPurchase($purchase);
             }
 
-            $items = $purchase->items()
-                ->where('reservation_status', PurchaseItem::RESERVATION_ACTIVE)
-                ->lockForUpdate()
-                ->get();
-            $reservationReturnedToCart = $restoreCart && $this->sourceCart->restore($purchase);
-
-            if ($items->isEmpty() && ! $purchase->items()->exists()) {
-                $this->releaseCartReservations($purchase, $reservationReturnedToCart, $targetStatus);
-                $purchase->update(['status' => $targetStatus]);
-
-                return $this->loadPurchase($purchase);
-            }
-
-            foreach ($items as $item) {
-                if (! $reservationReturnedToCart) {
-                    $this->releaseInventory($purchase, $item);
-                }
-
-                $item->update([
-                    'reservation_status' => PurchaseItem::RESERVATION_RELEASED,
+            if ($purchase->items()->exists()) {
+                throw ValidationException::withMessages([
+                    'items' => __('api.purchase.inconsistent_reservation'),
                 ]);
             }
 
+            $reservationReturnedToCart = $restoreCart && $this->sourceCart->restore($purchase);
+            $this->releaseCartReservations($purchase, $reservationReturnedToCart, $targetStatus);
+
             $purchase->update(['status' => $targetStatus]);
 
             return $this->loadPurchase($purchase);
@@ -162,19 +144,6 @@ class ReleaseCheckoutService
         }
     }
 
-    private function releaseInventory(Purchase $purchase, PurchaseItem $item): void
-    {
-        $selection = $this->selections->resolvePurchaseItem($purchase->tenant, $item);
-
-        try {
-            $this->inventory->release($selection, (int) $item->cantidad);
-        } catch (\InvalidArgumentException) {
-            throw ValidationException::withMessages([
-                'items' => __('api.purchase.inconsistent_reservation'),
-            ]);
-        }
-    }
-
     private function isAlreadyReleased(Purchase $purchase): bool
     {
         return in_array($purchase->status, [
diff --git a/app/Domains/Purchase/Services/Checkout/SourceCartService.php b/app/Domains/Purchase/Services/Checkout/SourceCartService.php
index d81a843..f21078d 100644
--- a/app/Domains/Purchase/Services/Checkout/SourceCartService.php
+++ b/app/Domains/Purchase/Services/Checkout/SourceCartService.php
@@ -6,7 +6,6 @@ use App\Domains\Cart\Models\Cart;
 use App\Domains\Cart\Models\CartItem;
 use App\Domains\Catalog\Services\StockReservationService;
 use App\Domains\Purchase\Models\Purchase;
-use App\Domains\Purchase\Models\PurchaseItem;
 
 class SourceCartService
 {
@@ -63,23 +62,6 @@ class SourceCartService
         return true;
     }
 
-    public function syncItemQuantity(
-        Purchase $purchase,
-        PurchaseItem $purchaseItem,
-        int $quantity,
-    ): void {
-        $sourceCart = $this->findSourceCart($purchase);
-
-        if ($sourceCart === null) {
-            return;
-        }
-
-        $sourceCart->items()
-            ->where('catalog_item_id', $purchaseItem->source_catalog_item_id)
-            ->where('variant_id', $purchaseItem->source_variant_id)
-            ->update(['cantidad' => $quantity]);
-    }
-
     public function finalize(Purchase $purchase): void
     {
         $sourceCart = $this->findSourceCart($purchase);
diff --git a/database/migrations/2026_08_19_020000_drop_reservation_status_from_compra_items_table.php b/database/migrations/2026_08_19_020000_drop_reservation_status_from_compra_items_table.php
new file mode 100644
index 0000000..4ea3563
--- /dev/null
+++ b/database/migrations/2026_08_19_020000_drop_reservation_status_from_compra_items_table.php
@@ -0,0 +1,24 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('compra_items', function (Blueprint $table): void {
+            $table->dropColumn('reservation_status');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('compra_items', function (Blueprint $table): void {
+            $table->string('reservation_status')
+                ->default('committed')
+                ->after('total');
+        });
+    }
+};
diff --git a/lang/en/api.php b/lang/en/api.php
index fb1dbcf..f047b0e 100644
--- a/lang/en/api.php
+++ b/lang/en/api.php
@@ -37,7 +37,6 @@ return [
         'source_required' => 'A cart or direct item is required.',
         'payment_method_required' => 'The purchase payment method must be selected before finalizing.',
         'not_editable' => 'The purchase is no longer editable.',
-        'item_not_editable' => 'The purchase item is no longer editable.',
         'insufficient_stock' => 'There is not enough stock available.',
         'cannot_confirm' => 'A cancelled, rejected, or expired purchase cannot be confirmed.',
         'inconsistent_reservation' => 'The purchase has an inconsistent stock reservation.',
diff --git a/lang/es/api.php b/lang/es/api.php
index f6ecbe7..52f6313 100644
--- a/lang/es/api.php
+++ b/lang/es/api.php
@@ -37,7 +37,6 @@ return [
         'source_required' => 'Se requiere un carrito o un producto directo.',
         'payment_method_required' => 'Debes seleccionar el método de pago antes de finalizar la compra.',
         'not_editable' => 'La compra ya no se puede modificar.',
-        'item_not_editable' => 'El producto de la compra ya no se puede modificar.',
         'insufficient_stock' => 'No hay suficiente stock disponible.',
         'cannot_confirm' => 'Una compra cancelada, rechazada o vencida no se puede confirmar.',
         'inconsistent_reservation' => 'La compra tiene una reserva de stock inconsistente.',
diff --git a/tests/Feature/Cart/CartControllerTest.php b/tests/Feature/Cart/CartControllerTest.php
index 0238693..c31214a 100644
--- a/tests/Feature/Cart/CartControllerTest.php
+++ b/tests/Feature/Cart/CartControllerTest.php
@@ -523,7 +523,6 @@ class CartControllerTest extends TestCase
             'cantidad' => $quantity,
             'precio_unitario' => $item->precio,
             'total' => (float) $item->precio * $quantity,
-            'reservation_status' => PurchaseItem::RESERVATION_COMMITTED,
         ]);
     }
 
diff --git a/tests/Feature/Purchase/PurchaseCatalogItemTest.php b/tests/Feature/Purchase/PurchaseCatalogItemTest.php
index 79627bd..8d1ac8e 100644
--- a/tests/Feature/Purchase/PurchaseCatalogItemTest.php
+++ b/tests/Feature/Purchase/PurchaseCatalogItemTest.php
@@ -71,6 +71,7 @@ class PurchaseCatalogItemTest extends TestCase
         $this->assertFalse(Schema::hasColumn('compra_items', 'variant_id'));
         $this->assertFalse(Schema::hasColumn('compra_items', 'buyable_type'));
         $this->assertFalse(Schema::hasColumn('compra_items', 'buyable_id'));
+        $this->assertFalse(Schema::hasColumn('compra_items', 'reservation_status'));
         $this->assertDatabaseHas('compra_items', [
             'compra_id' => $purchase->id,
             'source_catalog_item_id' => $catalogItem->id,
diff --git a/tests/Feature/Purchase/StorePurchaseTest.php b/tests/Feature/Purchase/StorePurchaseTest.php
index b4fb977..7cee351 100644
--- a/tests/Feature/Purchase/StorePurchaseTest.php
+++ b/tests/Feature/Purchase/StorePurchaseTest.php
@@ -559,7 +559,7 @@ class StorePurchaseTest extends TestCase
         ]);
     }
 
-    public function test_it_updates_a_created_purchase_item_quantity_and_its_stock_reservation(): void
+    public function test_it_updates_a_checkout_cart_item_quantity_and_its_stock_reservation(): void
     {
         $this->createTenant('sonder', 'Sonder', 'sonder.com.ar');
         $user = User::factory()->create();