diff --git a/ecs/jskult-webapp/src/db/database.py b/ecs/jskult-webapp/src/db/database.py
index e1571d03..32e1fdc2 100644
--- a/ecs/jskult-webapp/src/db/database.py
+++ b/ecs/jskult-webapp/src/db/database.py
@@ -114,14 +114,6 @@ class DatabaseClient:
             raise DBException('DBに接続していません')
         return self.__session
 
-    def connect(self):
-        # FIXME: 未使用。後ほど削除
-        ...
-
-    def disconnect(self):
-        # FIXME: エラーにしないための仮実装。後で消す
-        ...
-
     def execute_select(self, select_query: str, parameters=None) -> list[dict]:
         """SELECTクエリを実行します。
 
@@ -190,11 +182,10 @@ class DatabaseClient:
         if self.session.in_transaction():
             self.session.rollback()
 
-    # def disconnect(self):
-    #     """DB接続を切断します。"""
-    #     if self.session is not None:
-    #         self.session.close()
-    #         self.__session = None
+    def disconnect(self):
+        """DB接続を切断します。"""
+        self.session.close()
+        self.__session = None
 
     def to_jst(self):
         self.execute('SET time_zone = "+9:00"')
diff --git a/ecs/jskult-webapp/src/depends/database.py b/ecs/jskult-webapp/src/depends/database.py
index 1a26214c..3813ca54 100644
--- a/ecs/jskult-webapp/src/depends/database.py
+++ b/ecs/jskult-webapp/src/depends/database.py
@@ -11,5 +11,3 @@ def get_database(request: Request) -> DatabaseClient:
         yield database
     finally:
         database.disconnect()
-        # FIXME; リポジトリを直し終えたら消す
-        session.close()