diff --git a/src/entities/pengguna.entity.ts b/src/entities/pengguna.entity.ts
index da7a922c6ae3fd0a80abbcfa6e0b4213f9f702f7..e1d014aa3f0e121befc89647f955816e7192de1a 100644
--- a/src/entities/pengguna.entity.ts
+++ b/src/entities/pengguna.entity.ts
@@ -9,17 +9,14 @@ import { PendaftaranTesis } from "./pendaftaranTesis.entity";
 
 export enum RoleEnum {
   ADMIN = "ADMIN",
-  TU = "TU",
   S2_MAHASISWA = "S2_MAHASISWA",
   S2_PEMBIMBING = "S2_PEMBIMBING",
   S2_PENGUJI = "S2_PENGUJI",
   S2_TIM_TESIS = "S2_TIM_TESIS",
-  S2_KULIAH = "S2_KULIAH",
   S1_MAHASISWA = "S1_MAHASISWA",
   S1_PEMBIMBING = "S1_PEMBIMBING",
   S1_PENGUJI = "S1_PENGUJI",
   S1_TIM_TA = "S1_TIM_TA",
-  S1_KULIAH = "S1_KULIAH",
 }
 
 @Entity()
diff --git a/src/helper/validation.ts b/src/helper/validation.ts
deleted file mode 100644
index cfc65eb722c4859bd1569749bccb0e8785721b77..0000000000000000000000000000000000000000
--- a/src/helper/validation.ts
+++ /dev/null
@@ -1,17 +0,0 @@
-import { NotFoundException } from "@nestjs/common";
-import { validate as uuidValidate } from "uuid";
-
-interface ID {
-  id: string;
-  object: string;
-}
-
-export function validateId(items: ID[]) {
-  for (const item of items) {
-    const isValidUUID = uuidValidate(item.id);
-
-    if (!isValidUUID) {
-      throw new NotFoundException(`${item.object} not found.`);
-    }
-  }
-}