diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index ed4dfeb..405e2b7 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -9,6 +9,7 @@ updates:
     # versioning-strategy: increase
     allow:
       - dependency-name: "@nestia/*"
+      - dependency-name: "@nestjs/*"
       - dependency-name: "nestia"
       - dependency-name: "tstl"
       - dependency-name: "typia"
diff --git a/package.json b/package.json
index f3d53bf..b69d2ea 100644
--- a/package.json
+++ b/package.json
@@ -98,7 +98,7 @@
     "dotenv-expand": "^10.0.0",
     "git-last-commit": "^1.0.0",
     "jsonwebtoken": "^9.0.2",
-    "mutex-server": "^0.3.1",
+    "mutex-server": "^0.3.2",
     "prisma": "^5.6.0",
     "prisma-markdown": "^1.0.7",
     "source-map-support": "^0.5.19",
diff --git a/src/executable/server.ts b/src/executable/server.ts
index 2d9b286..2808c1d 100644
--- a/src/executable/server.ts
+++ b/src/executable/server.ts
@@ -3,9 +3,6 @@ import { randint } from "tstl/algorithm/random";
 import { Singleton } from "tstl/thread/Singleton";
 
 import { MyBackend } from "../MyBackend";
-import { MyGlobal } from "../MyGlobal";
-import { MyUpdator } from "../MyUpdator";
-import { MyScheduler } from "../schedulers/MyScheduler";
 import { ErrorUtil } from "../utils/ErrorUtil";
 
 const EXTENSION = __filename.substr(-2);
@@ -58,15 +55,6 @@ async function main(): Promise<void> {
   // UNEXPECTED ERRORS
   global.process.on("uncaughtException", handle_error);
   global.process.on("unhandledRejection", handle_error);
-
-  // SCHEDULER ONLY WHEN MASTER
-  if (MyGlobal.env.MODE !== "real" || process.argv[3] === "master") {
-    if (MyGlobal.env.MODE === "local")
-      try {
-        await MyUpdator.master();
-      } catch {}
-    await MyScheduler.repeat();
-  }
 }
 main().catch((exp) => {
   console.log(exp);
diff --git a/src/schedulers/MyScheduler.ts b/src/schedulers/MyScheduler.ts
deleted file mode 100644
index 2576e95..0000000
--- a/src/schedulers/MyScheduler.ts
+++ /dev/null
@@ -1,39 +0,0 @@
-import { DynamicExecutor } from "@nestia/e2e";
-import mutex from "mutex-server";
-import { sleep_for } from "tstl/thread/global";
-
-import { MyGlobal } from "../MyGlobal";
-import { MapUtil } from "../utils/MapUtil";
-
-export namespace MyScheduler {
-  export async function repeat(): Promise<never> {
-    const critical: mutex.MutexConnector<string, null> =
-      await MyGlobal.critical.get();
-    const mutex: mutex.RemoteMutex = await critical.getMutex("scheduler");
-    await mutex.lock();
-
-    const dict: Map<string, number> = new Map();
-    await once(dict, Date.now());
-
-    while (true) {
-      await sleep_for(INTERVAL);
-      await once(dict, INTERVAL);
-    }
-  }
-
-  async function once(
-    dict: Map<string, number>,
-    interval: number,
-  ): Promise<void> {
-    await DynamicExecutor.assert({
-      prefix: "schedule",
-      parameters: (key) => [MapUtil.take(dict)(key, () => interval)],
-      wrapper: async (key, closure) => {
-        const slept: number = MapUtil.take(dict)(key, () => interval);
-        if ((await closure(slept)) === false) dict.set(key, slept + interval);
-      },
-    })(__dirname + "/features");
-  }
-}
-
-const INTERVAL = 60_000;
diff --git a/src/schedulers/features/schedule_something_in_every_day.ts b/src/schedulers/features/schedule_something_in_every_day.ts
deleted file mode 100644
index ca3fb32..0000000
--- a/src/schedulers/features/schedule_something_in_every_day.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-export async function schedule_something_in_every_day(
-  interval: number,
-): Promise<void> {
-  if (interval < ONE_DAY) return;
-
-  // DO SOMETHING
-}
-
-const ONE_DAY = 24 * 60 * 60 * 1000;
diff --git a/src/schedulers/features/schedule_something_in_every_hour.ts b/src/schedulers/features/schedule_something_in_every_hour.ts
deleted file mode 100644
index 3e59f18..0000000
--- a/src/schedulers/features/schedule_something_in_every_hour.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-export async function schedule_something_in_every_hour(
-  interval: number,
-): Promise<void> {
-  if (interval < ONE_HOUR) return;
-
-  // DO SOMETHING
-}
-
-const ONE_HOUR = 60 * 60 * 1000;
diff --git a/src/schedulers/features/schedule_something_in_every_minutes.ts b/src/schedulers/features/schedule_something_in_every_minutes.ts
deleted file mode 100644
index c96c613..0000000
--- a/src/schedulers/features/schedule_something_in_every_minutes.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-export async function schedule_something_in_every_minutes(): Promise<void> {
-  // DO SOMETHING
-}
diff --git a/test/webpack.ts b/test/webpack.ts
index eeae716..94f2bd0 100644
--- a/test/webpack.ts
+++ b/test/webpack.ts
@@ -11,9 +11,10 @@ const webpackTest = async (): Promise<void> => {
     throw new Error("Run npm run webpack command first.");
 
   // START BACKEND SERVER
-  const backend = cp.fork("server.js", {
+  const backend = cp.fork(`${MyConfiguration.ROOT}/dist/server.js`, {
     cwd: `${MyConfiguration.ROOT}/dist`,
   });
+  console.log(__dirname + "/features");
   await sleep_for(2_500);
 
   // DO TEST
diff --git a/webpack.config.js b/webpack.config.js
index 5d349b7..101ec22 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -59,10 +59,6 @@ module.exports = {
           from: "./node_modules/.prisma/client/*.node",
           to: () => Promise.resolve("[path][name][ext]"),
         },
-        {
-          from: "./node_modules/ws/**/*.*",
-          to: () => Promise.resolve("[path][name][ext]"),
-        },
       ],
     }),
     new WriteFilePlugin(),