diff --git a/modules/customer-invoices/src/api/application/proformas/services/proforma-finder.ts b/modules/customer-invoices/src/api/application/proformas/services/proforma-finder.ts
index 39a3e048..3bbe2aae 100644
--- a/modules/customer-invoices/src/api/application/proformas/services/proforma-finder.ts
+++ b/modules/customer-invoices/src/api/application/proformas/services/proforma-finder.ts
@@ -13,12 +13,6 @@ export interface IProformaFinder {
     transaction?: unknown
   ): Promise<Result<Proforma, Error>>;
 
-  findProformaByFactuGESId(
-    companyId: UniqueID,
-    factugesId: string,
-    transaction?: unknown
-  ): Promise<Result<Proforma, Error>>;
-
   proformaExists(
     companyId: UniqueID,
     invoiceId: UniqueID,
@@ -43,14 +37,6 @@ export class ProformaFinder implements IProformaFinder {
     return this.repository.getByIdInCompany(companyId, proformaId, transaction);
   }
 
-  async findProformaByFactuGESId(
-    companyId: UniqueID,
-    factugesId: string,
-    transaction?: unknown
-  ): Promise<Result<Proforma, Error>> {
-    return this.repository.getByFactuGESIdInCompany(companyId, factugesId, transaction);
-  }
-
   async proformaExists(
     companyId: UniqueID,
     proformaId: UniqueID,
diff --git a/modules/customer-invoices/src/common/dto/request/proformas/get-proforma-by-id.request.dto.ts b/modules/customer-invoices/src/common/dto/request/proformas/get-proforma-by-id.request.dto.ts
index fb74d29d..db223070 100644
--- a/modules/customer-invoices/src/common/dto/request/proformas/get-proforma-by-id.request.dto.ts
+++ b/modules/customer-invoices/src/common/dto/request/proformas/get-proforma-by-id.request.dto.ts
@@ -1,7 +1,7 @@
 import { z } from "zod/v4";
 
 export const GetProformaByIdRequestSchema = z.object({
-  proforma_id: z.string(),
+  proforma_id: z.uuid(),
 });
 
 export type GetProformaByIdRequestDTO = z.infer<typeof GetProformaByIdRequestSchema>;