diff --git a/src/DataService/DataServiceInterface.php b/src/DataService/DataServiceInterface.php
index 0d87469..c378e10 100644
--- a/src/DataService/DataServiceInterface.php
+++ b/src/DataService/DataServiceInterface.php
@@ -38,7 +38,6 @@ interface DataServiceInterface
     // 招考类型相关
     public function getExamTypes(array $data): array;
     public function getExamTypeBy(int $id): array;
-    public function deleteExamType(int $id): bool;
     public function getExamTypesByCampusId(int $campusId): array;
     public function getExamTypeByIds(array $ids): array;