diff --git a/dictation_server/src/gateways/adb2c/adb2c.service.ts b/dictation_server/src/gateways/adb2c/adb2c.service.ts
index 144813e..7d8c17b 100644
--- a/dictation_server/src/gateways/adb2c/adb2c.service.ts
+++ b/dictation_server/src/gateways/adb2c/adb2c.service.ts
@@ -246,7 +246,6 @@ export class AdB2cService {
     try {
       // https://learn.microsoft.com/en-us/graph/api/user-delete?view=graph-rest-1.0&tabs=javascript#example
       await this.graphClient.api(`users/${externalId}`).delete();
-      throw new Error('ADB2C Error');
     } catch (e) {
       this.logger.error(`error=${e}`);
       throw e;
diff --git a/dictation_server/src/repositories/users/users.repository.service.ts b/dictation_server/src/repositories/users/users.repository.service.ts
index 617d3ff..7683de3 100644
--- a/dictation_server/src/repositories/users/users.repository.service.ts
+++ b/dictation_server/src/repositories/users/users.repository.service.ts
@@ -398,6 +398,5 @@ export class UsersRepositoryService {
       // プライマリ管理者を削除
       await usersRepo.delete({ id: userId });
     });
-    throw new Error('DB Error');
   }
 }