diff --git a/002_source/pocketbase/pb_migrations/1746681012_deleted_UserMetas.js b/002_source/pocketbase/pb_migrations/1746681012_deleted_UserMetas.js
deleted file mode 100644
index 29d91b2..0000000
--- a/002_source/pocketbase/pb_migrations/1746681012_deleted_UserMetas.js
+++ /dev/null
@@ -1,136 +0,0 @@
-/// <reference path="../pb_data/types.d.ts" />
-migrate((app) => {
-  const collection = app.findCollectionByNameOrId("pbc_1305841361");
-
-  return app.delete(collection);
-}, (app) => {
-  const collection = new Collection({
-    "createRule": "",
-    "deleteRule": "",
-    "fields": [
-      {
-        "autogeneratePattern": "[a-z0-9]{15}",
-        "hidden": false,
-        "id": "text3208210256",
-        "max": 15,
-        "min": 15,
-        "name": "id",
-        "pattern": "^[a-z0-9]+$",
-        "presentable": false,
-        "primaryKey": true,
-        "required": true,
-        "system": true,
-        "type": "text"
-      },
-      {
-        "autogeneratePattern": "",
-        "hidden": false,
-        "id": "text4192936109",
-        "max": 0,
-        "min": 0,
-        "name": "helloworld",
-        "pattern": "",
-        "presentable": false,
-        "primaryKey": false,
-        "required": false,
-        "system": false,
-        "type": "text"
-      },
-      {
-        "hidden": false,
-        "id": "json3622966325",
-        "maxSize": 0,
-        "name": "meta",
-        "presentable": false,
-        "required": false,
-        "system": false,
-        "type": "json"
-      },
-      {
-        "cascadeDelete": false,
-        "collectionId": "_pb_users_auth_",
-        "hidden": false,
-        "id": "relation2809058197",
-        "maxSelect": 1,
-        "minSelect": 0,
-        "name": "user_id",
-        "presentable": false,
-        "required": false,
-        "system": false,
-        "type": "relation"
-      },
-      {
-        "hidden": false,
-        "id": "autodate2990389176",
-        "name": "created",
-        "onCreate": true,
-        "onUpdate": false,
-        "presentable": false,
-        "system": false,
-        "type": "autodate"
-      },
-      {
-        "hidden": false,
-        "id": "autodate3332085495",
-        "name": "updated",
-        "onCreate": true,
-        "onUpdate": true,
-        "presentable": false,
-        "system": false,
-        "type": "autodate"
-      },
-      {
-        "autogeneratePattern": "",
-        "hidden": false,
-        "id": "text2744374011",
-        "max": 0,
-        "min": 0,
-        "name": "state",
-        "pattern": "",
-        "presentable": false,
-        "primaryKey": false,
-        "required": false,
-        "system": false,
-        "type": "text"
-      },
-      {
-        "hidden": false,
-        "id": "file376926767",
-        "maxSelect": 1,
-        "maxSize": 0,
-        "mimeTypes": [],
-        "name": "avatar",
-        "presentable": false,
-        "protected": false,
-        "required": false,
-        "system": false,
-        "thumbs": [],
-        "type": "file"
-      },
-      {
-        "autogeneratePattern": "",
-        "hidden": false,
-        "id": "text1466534506",
-        "max": 0,
-        "min": 0,
-        "name": "role",
-        "pattern": "",
-        "presentable": false,
-        "primaryKey": false,
-        "required": false,
-        "system": false,
-        "type": "text"
-      }
-    ],
-    "id": "pbc_1305841361",
-    "indexes": [],
-    "listRule": "",
-    "name": "UserMetas",
-    "system": false,
-    "type": "base",
-    "updateRule": "",
-    "viewRule": ""
-  });
-
-  return app.save(collection);
-})
diff --git a/002_source/pocketbase/pb_migrations/1746681213_updated_UserMetas.js b/002_source/pocketbase/pb_migrations/1746681213_updated_UserMetas.js
deleted file mode 100644
index 9ed9628..0000000
--- a/002_source/pocketbase/pb_migrations/1746681213_updated_UserMetas.js
+++ /dev/null
@@ -1,45 +0,0 @@
-/// <reference path="../pb_data/types.d.ts" />
-migrate((app) => {
-  const collection = app.findCollectionByNameOrId("pbc_1305841361")
-
-  // add field
-  collection.fields.addAt(9, new Field({
-    "autogeneratePattern": "",
-    "hidden": false,
-    "id": "text1579384326",
-    "max": 0,
-    "min": 0,
-    "name": "name",
-    "pattern": "",
-    "presentable": false,
-    "primaryKey": false,
-    "required": false,
-    "system": false,
-    "type": "text"
-  }))
-
-  // add field
-  collection.fields.addAt(10, new Field({
-    "exceptDomains": null,
-    "hidden": false,
-    "id": "email3885137012",
-    "name": "email",
-    "onlyDomains": null,
-    "presentable": false,
-    "required": false,
-    "system": false,
-    "type": "email"
-  }))
-
-  return app.save(collection)
-}, (app) => {
-  const collection = app.findCollectionByNameOrId("pbc_1305841361")
-
-  // remove field
-  collection.fields.removeById("text1579384326")
-
-  // remove field
-  collection.fields.removeById("email3885137012")
-
-  return app.save(collection)
-})
diff --git a/002_source/pocketbase/pb_migrations/1746681267_updated_users.js b/002_source/pocketbase/pb_migrations/1746681267_updated_users.js
deleted file mode 100644
index fee62ea..0000000
--- a/002_source/pocketbase/pb_migrations/1746681267_updated_users.js
+++ /dev/null
@@ -1,29 +0,0 @@
-/// <reference path="../pb_data/types.d.ts" />
-migrate((app) => {
-  const collection = app.findCollectionByNameOrId("_pb_users_auth_")
-
-  // add field
-  collection.fields.addAt(11, new Field({
-    "autogeneratePattern": "",
-    "hidden": false,
-    "id": "text1146066909",
-    "max": 0,
-    "min": 0,
-    "name": "phone",
-    "pattern": "",
-    "presentable": false,
-    "primaryKey": false,
-    "required": false,
-    "system": false,
-    "type": "text"
-  }))
-
-  return app.save(collection)
-}, (app) => {
-  const collection = app.findCollectionByNameOrId("_pb_users_auth_")
-
-  // remove field
-  collection.fields.removeById("text1146066909")
-
-  return app.save(collection)
-})
diff --git a/002_source/pocketbase/pb_migrations/1746681302_updated_UserMetas.js b/002_source/pocketbase/pb_migrations/1746681302_updated_UserMetas.js
deleted file mode 100644
index e955407..0000000
--- a/002_source/pocketbase/pb_migrations/1746681302_updated_UserMetas.js
+++ /dev/null
@@ -1,29 +0,0 @@
-/// <reference path="../pb_data/types.d.ts" />
-migrate((app) => {
-  const collection = app.findCollectionByNameOrId("pbc_1305841361")
-
-  // add field
-  collection.fields.addAt(11, new Field({
-    "autogeneratePattern": "",
-    "hidden": false,
-    "id": "text1146066909",
-    "max": 0,
-    "min": 0,
-    "name": "phone",
-    "pattern": "",
-    "presentable": false,
-    "primaryKey": false,
-    "required": false,
-    "system": false,
-    "type": "text"
-  }))
-
-  return app.save(collection)
-}, (app) => {
-  const collection = app.findCollectionByNameOrId("pbc_1305841361")
-
-  // remove field
-  collection.fields.removeById("text1146066909")
-
-  return app.save(collection)
-})
diff --git a/002_source/pocketbase/pb_migrations/1746683304_updated_Teachers.js b/002_source/pocketbase/pb_migrations/1746683304_updated_Teachers.js
deleted file mode 100644
index 7c577b4..0000000
--- a/002_source/pocketbase/pb_migrations/1746683304_updated_Teachers.js
+++ /dev/null
@@ -1,20 +0,0 @@
-/// <reference path="../pb_data/types.d.ts" />
-migrate((app) => {
-  const collection = app.findCollectionByNameOrId("pbc_1413424569")
-
-  // update collection data
-  unmarshal({
-    "name": "Teachers_xxx"
-  }, collection)
-
-  return app.save(collection)
-}, (app) => {
-  const collection = app.findCollectionByNameOrId("pbc_1413424569")
-
-  // update collection data
-  unmarshal({
-    "name": "Teachers"
-  }, collection)
-
-  return app.save(collection)
-})