diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/permission/ExperimentalPermission.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/permission/ExperimentalPermission.kt
deleted file mode 100644
index 4e0252a7e..000000000
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/permission/ExperimentalPermission.kt
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright 2020 Mamoe Technologies and contributors.
- *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
- *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
- */
-
-package net.mamoe.mirai.console.permission
-
-import kotlin.annotation.AnnotationTarget.*
-
-/**
- * 标记一个实验性的权限系统 API.
- *
- * 权限系统是在 1.0-M4 引入的一个实验性系统, 目前不具有 API 稳定性.
- */
-@Retention(AnnotationRetention.BINARY)
-@RequiresOptIn(level = RequiresOptIn.Level.WARNING)
-@Target(CLASS, TYPEALIAS, FUNCTION, PROPERTY, FIELD, CONSTRUCTOR)
-@MustBeDocumented
-public annotation class ExperimentalPermission(
-    val message: String = ""
-)
\ No newline at end of file