diff --git a/src/client/mios.ts b/src/client/mios.ts
index ba42f3a161..c54b6fff87 100644
--- a/src/client/mios.ts
+++ b/src/client/mios.ts
@@ -1,3 +1,5 @@
+// TODO: このファイル消したい
+
 import autobind from 'autobind-decorator';
 import Vue from 'vue';
 import { EventEmitter } from 'eventemitter3';