diff --git a/ecs/jskult-webapp/src/db/database.py b/ecs/jskult-webapp/src/db/database.py
index 7dab8455..bd828db3 100644
--- a/ecs/jskult-webapp/src/db/database.py
+++ b/ecs/jskult-webapp/src/db/database.py
@@ -189,9 +189,7 @@ class DatabaseClient:
         self.__session = None
 
     def to_jst(self):
-        # self.session.begin()
         self.execute('SET SESSION time_zone = "Asia/Tokyo"')
-        # self.session.commit()
 
     def __execute_with_transaction(self, query: str, parameters: dict):
         # トランザクションを開始してクエリを実行する