diff --git a/src/server.ts b/src/server.ts
index 037110d..5428466 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -50,7 +50,6 @@ class ServerApplication{
         
         let diff_router = createDiffRouter(this.diffManger);
         this.diffManger.register("manga","testdata");
-        const index_html = readFileSync("index.html");
         let router = new Router();
         
         router.use('/api/diff',diff_router.routes());