From c925e3d281268e2d225d77d21c8cd29536372baf Mon Sep 17 00:00:00 2001
From: tamaina <tamaina@hotmail.co.jp>
Date: Thu, 23 Feb 2023 14:01:18 +0000
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---
 CHANGELOG.md                                           | 9 ++++++++-
 packages/backend/migration/1676434944993-drop-group.js | 1 -
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2521396b0b..7f2e6cc843 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,11 +8,18 @@
 
 You should also include the user name that made the change.
 -->
+## 13.7.4 (unreleased)
+
+### Note
+~~13.7.0以前から直接このバージョンにアップデートする場合は全ての通知が削除**されません。**~~
+
+### Bugfixes
+- 全ての通知が削除されてしまうのを修正
 
 ## 13.7.3 (2023/02/23)
 
 ### Note
-13.7.0以前から直接このバージョンにアップデートする場合は全ての通知が削除**されません。**
+~~13.7.0以前から直接このバージョンにアップデートする場合は全ての通知が削除**されません。**~~
 
 ### Improvements
 
diff --git a/packages/backend/migration/1676434944993-drop-group.js b/packages/backend/migration/1676434944993-drop-group.js
index 0f29664338..c856046eb9 100644
--- a/packages/backend/migration/1676434944993-drop-group.js
+++ b/packages/backend/migration/1676434944993-drop-group.js
@@ -2,7 +2,6 @@ export class dropGroup1676434944993 {
     name = 'dropGroup1676434944993'
 
     async up(queryRunner) {
-		await queryRunner.query(`TRUNCATE TABLE "notification"`, undefined);
         await queryRunner.query(`ALTER TABLE "antenna" DROP CONSTRAINT "FK_ccbf5a8c0be4511133dcc50ddeb"`);
         await queryRunner.query(`ALTER TABLE "notification" DROP CONSTRAINT "FK_8fe87814e978053a53b1beb7e98"`);
         await queryRunner.query(`ALTER TABLE "antenna" DROP COLUMN "userGroupJoiningId"`);