diff --git a/prisma/migrations/20240607113031_/migration.sql b/prisma/migrations/20240607113031_/migration.sql
new file mode 100644
index 0000000..9c4017f
--- /dev/null
+++ b/prisma/migrations/20240607113031_/migration.sql
@@ -0,0 +1,11 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `id_offer` on the `Trade` table. All the data in the column will be lost.
+
+*/
+-- DropForeignKey
+ALTER TABLE "Trade" DROP CONSTRAINT "Trade_id_offer_fkey";
+
+-- AlterTable
+ALTER TABLE "Trade" DROP COLUMN "id_offer";
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index ce0b3c2..4448e2a 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -33,7 +33,6 @@ model Offer {
 
   Crypto             Crypto @relation(fields: [id_crypto], references: [id])
   User             User @relation(fields: [id_user], references: [id])
-  Trade      Trade[]
 
   }
 
@@ -61,11 +60,9 @@ model Trade {
   id_receiver      String
   id_crypto        String
   amount_traded    Float
-  id_offer         String 
   created_at       DateTime  @default(now())
   updated_at       DateTime  @updatedAt @default(now())
 
-  Offer             Offer @relation(fields: [id_offer], references: [id])
   Giver            User      @relation("Giver", fields: [id_giver], references: [id])
   Receiver         User      @relation("Receiver", fields: [id_receiver], references: [id])
   Crypto           Crypto    @relation(fields: [id_crypto], references: [id])
diff --git a/src/trade/dto/promoCode.dto.ts b/src/trade/dto/promoCode.dto.ts
deleted file mode 100644
index 8013811..0000000
--- a/src/trade/dto/promoCode.dto.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-import { IsInt, IsString } from 'class-validator';
-
-export class PromoCodeDto {
-  @IsString()
-  name: string;
-
-  @IsInt()
-  value: number;
-}
diff --git a/src/trade/trade.service.ts b/src/trade/trade.service.ts
index 6b8fb1a..eb79761 100644
--- a/src/trade/trade.service.ts
+++ b/src/trade/trade.service.ts
@@ -76,7 +76,6 @@ export class TradeService {
         id_receiver: userId,
         id_crypto: offer.id_crypto,
         amount_traded: offer.amount,
-        id_offer: offer.id,
       },
     });