diff --git a/src/controllers/quotation-controller.ts b/src/controllers/quotation-controller.ts
index f586168..628d259 100644
--- a/src/controllers/quotation-controller.ts
+++ b/src/controllers/quotation-controller.ts
@@ -496,5 +496,25 @@ export class QuotationController extends Controller {
 
   @Delete("{quotationId}")
   @Security("keycloak")
-  async deleteQuotationById(@Request() req: RequestWithUser, @Path() quotationId: string) {}
+  async deleteQuotationById(@Request() req: RequestWithUser, @Path() quotationId: string) {
+    const record = await prisma.quotation.findUnique({
+      where: { id: quotationId },
+    });
+
+    if (!record) {
+      throw new HttpError(HttpStatus.NOT_FOUND, "Quotation not found.", "quotationNotFound");
+    }
+
+    if (record.status !== Status.CREATED) {
+      throw new HttpError(HttpStatus.FORBIDDEN, "Quotation is in used.", "quotationInUsed");
+    }
+
+    return await prisma.quotation.delete({
+      include: {
+        createdBy: true,
+        updatedBy: true,
+      },
+      where: { id: quotationId },
+    });
+  }
 }