diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/SettingStorage.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/SettingStorage.kt
index e629ece14..f9ea37d63 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/SettingStorage.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/SettingStorage.kt
@@ -67,7 +67,7 @@ public interface MemorySettingStorage : SettingStorage, Map<Class<out Setting>,
     /**
      * 当任一 [Setting] 实例拥有的 [Value] 的值被改变后调用的回调函数.
      */
-    public /* fun */ interface OnChangedCallback { // TODO: 2020/7/24 make `fun` in 1.4
+    public fun interface OnChangedCallback {
         public fun onChanged(storage: MemorySettingStorage, value: Value<*>)
 
         /**