diff --git a/backend/typescript/services/interfaces/serviceRequest.ts b/backend/typescript/services/interfaces/serviceRequest.ts
index f2ce44c..1ac832b 100644
--- a/backend/typescript/services/interfaces/serviceRequest.ts
+++ b/backend/typescript/services/interfaces/serviceRequest.ts
@@ -1,4 +1,4 @@
-import { CreateServiceRequestDTO, ServiceRequestDTO } from "../../types";
+import { Prisma } from "@prisma/client";
 
 interface IServiceRequest {
   // get method here
@@ -10,7 +10,9 @@ interface IServiceRequest {
    * @returns a ServiceRequestDTO with the created serviceRequest's information
    * @throws Error if serviceRequest creation fails
    */
-  postServiceRequest(serviceRequest: CreateServiceRequestDTO): Promise<ServiceRequestDTO>;
+  postServiceRequest(
+    serviceRequest: Prisma.serviceRequestCreateInput,
+  ): Promise<Prisma.serviceRequestCreateInput>;
 
   /**
    * Delete a serviceRequest by id
diff --git a/backend/typescript/types.ts b/backend/typescript/types.ts
index 6728cf1..320b30b 100644
--- a/backend/typescript/types.ts
+++ b/backend/typescript/types.ts
@@ -34,21 +34,4 @@ export type NodemailerConfig = {
   };
 };
 
-export type SignUpMethod = "PASSWORD" | "GOOGLE";
-
-export type ServiceRequestDTO = {
-  id: string;
-  requestName: string;
-  requesterId: string;
-  location: string;
-  shiftTime?: Date;
-  description?: string;
-  meal?: string;
-  cookingMethod: string;
-  frequency: string;
-  requestType: ServiceRequestType;
-};
-
-export type CreateServiceRequestDTO = Omit<ServiceRequestDTO, "id">;
-
-export type ServiceRequestType = "SITE" | "KITCHEN";
\ No newline at end of file
+export type SignUpMethod = "PASSWORD" | "GOOGLE";
\ No newline at end of file