diff --git a/package.json b/package.json
index bdfaa67..921bdd0 100644
--- a/package.json
+++ b/package.json
@@ -17,14 +17,10 @@
     "prettier:fix": "prettier --write './packages/**/*.{js,jsx,ts,tsx}' --cache --cache-location=.yarn/prettier-cache"
   },
   "dependencies": {
-    "class-variance-authority": "^0.7.0",
-    "clsx": "^2.1.1",
-    "lucide-react": "^0.414.0",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-router-dom": "^6.25.1",
-    "tailwind-merge": "^2.4.0",
-    "tailwindcss-animate": "^1.0.7"
+    "tailwind-merge": "^2.4.0"
   },
   "devDependencies": {
     "@types/eslint": "^8",
@@ -33,7 +29,6 @@
     "@types/react-dom": "^18.3.0",
     "@typescript-eslint/eslint-plugin": "^7.16.1",
     "@typescript-eslint/parser": "^7.16.1",
-    "autoprefixer": "^10.4.19",
     "eslint": "8.57.0",
     "eslint-config-airbnb": "^19.0.4",
     "eslint-config-airbnb-typescript": "^18.0.0",
@@ -46,10 +41,8 @@
     "eslint-plugin-react": "^7.35.0",
     "eslint-plugin-react-hooks": "^4.6.2",
     "eslint-plugin-react-refresh": "^0.4.7",
-    "postcss": "^8.4.39",
     "prettier": "^3.3.3",
     "prettier-plugin-tailwindcss": "^0.6.5",
-    "tailwindcss": "^3.4.6",
     "typescript": "^5.2.2"
   },
   "packageManager": "yarn@4.3.1"
diff --git a/packages/admin/package.json b/packages/admin/package.json
index 2da129e..be49ef7 100644
--- a/packages/admin/package.json
+++ b/packages/admin/package.json
@@ -18,7 +18,6 @@
     "@vitejs/plugin-react": "^4.3.1",
     "class-variance-authority": "^0.7.0",
     "clsx": "^2.1.1",
-    "tailwind-merge": "^2.4.0",
     "tailwindcss-animate": "^1.0.7",
     "vite": "^5.3.4"
   },
diff --git a/packages/admin/src/routes/router.tsx b/packages/admin/src/routes/router.tsx
index 657fcf0..bad95ef 100644
--- a/packages/admin/src/routes/router.tsx
+++ b/packages/admin/src/routes/router.tsx
@@ -1,9 +1,10 @@
 import { createBrowserRouter, RouteObject } from 'react-router-dom';
+import { Button } from 'src/components/ui/button';
 import RoutePaths from 'src/constants/routePath';
 
 const routes:RouteObject[] = [{
   path: RoutePaths.HOME,
-  element: <>home</>,
+  element: <Button>hi</Button>,
 }];
 
 const router = createBrowserRouter(routes);
diff --git a/packages/admin/vite.config.ts b/packages/admin/vite.config.ts
index 48f3b3c..ac4cda0 100644
--- a/packages/admin/vite.config.ts
+++ b/packages/admin/vite.config.ts
@@ -4,9 +4,6 @@ import { defineConfig } from 'vite';
 
 export default defineConfig({
 	plugins: [react()],
-	css: {
-		postcss: path.resolve(__dirname, '../../postcss.config.js'),
-	},
 	cacheDir: './.yarn/.vite',
 	resolve: {
 		alias: {
diff --git a/packages/user/package.json b/packages/user/package.json
index 7c64028..5f94a7e 100644
--- a/packages/user/package.json
+++ b/packages/user/package.json
@@ -21,7 +21,6 @@
     "class-variance-authority": "^0.7.0",
     "clsx": "^2.1.1",
     "jsdom": "^24.1.1",
-    "tailwind-merge": "^2.4.0",
     "tailwindcss-animate": "^1.0.7",
     "vite": "^5.3.4"
   },
diff --git a/packages/user/vite.config.ts b/packages/user/vite.config.ts
index 20a0d8e..6b2fd77 100644
--- a/packages/user/vite.config.ts
+++ b/packages/user/vite.config.ts
@@ -9,9 +9,6 @@ interface VitestConfigExport extends UserConfig {
 export default defineConfig({
 	plugins: [react()],
 	server: { port: 3000 },
-	css: {
-		postcss: path.resolve(__dirname, '../../postcss.config.js'),
-	},
 	cacheDir: './.yarn/.vite',
 	test: {
     globals: true,
diff --git a/postcss.config.js b/postcss.config.js
deleted file mode 100644
index 2aa7205..0000000
--- a/postcss.config.js
+++ /dev/null
@@ -1,6 +0,0 @@
-export default {
-  plugins: {
-    tailwindcss: {},
-    autoprefixer: {},
-  },
-};
diff --git a/tailwind.config.cjs b/tailwind.config.cjs
deleted file mode 100644
index 62d39a8..0000000
--- a/tailwind.config.cjs
+++ /dev/null
@@ -1,9 +0,0 @@
-/** @type {import('tailwindcss').Config} */
-module.exports = {
-  darkMode: ['class'],
-  content: [
-    './packages/**/*.{js,jsx,ts,tsx}',
-  ],
-  theme: {},
-  plugins: [],
-};
diff --git a/yarn.lock b/yarn.lock
index 95e2c5d..6a59487 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1138,7 +1138,6 @@ __metadata:
     class-variance-authority: "npm:^0.7.0"
     clsx: "npm:^2.1.1"
     postcss: "npm:^8.4.39"
-    tailwind-merge: "npm:^2.4.0"
     tailwindcss: "npm:^3.4.6"
     tailwindcss-animate: "npm:^1.0.7"
     vite: "npm:^5.3.4"
@@ -3701,15 +3700,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"lucide-react@npm:^0.414.0":
-  version: 0.414.0
-  resolution: "lucide-react@npm:0.414.0"
-  peerDependencies:
-    react: ^16.5.1 || ^17.0.0 || ^18.0.0 || ^19.0.0
-  checksum: 10c0/280123f5f43cad653aa74f519ad2294fdc82c32028c780e3228c2a92997e987e4708a20527af64731882a9dedc6117f98ba0582946e86751a8f02f8297f8f815
-  languageName: node
-  linkType: hard
-
 "magic-string@npm:^0.30.10":
   version: 0.30.10
   resolution: "magic-string@npm:0.30.10"
@@ -4984,9 +4974,6 @@ __metadata:
     "@types/react-dom": "npm:^18.3.0"
     "@typescript-eslint/eslint-plugin": "npm:^7.16.1"
     "@typescript-eslint/parser": "npm:^7.16.1"
-    autoprefixer: "npm:^10.4.19"
-    class-variance-authority: "npm:^0.7.0"
-    clsx: "npm:^2.1.1"
     eslint: "npm:8.57.0"
     eslint-config-airbnb: "npm:^19.0.4"
     eslint-config-airbnb-typescript: "npm:^18.0.0"
@@ -4999,16 +4986,12 @@ __metadata:
     eslint-plugin-react: "npm:^7.35.0"
     eslint-plugin-react-hooks: "npm:^4.6.2"
     eslint-plugin-react-refresh: "npm:^0.4.7"
-    lucide-react: "npm:^0.414.0"
-    postcss: "npm:^8.4.39"
     prettier: "npm:^3.3.3"
     prettier-plugin-tailwindcss: "npm:^0.6.5"
     react: "npm:^18.3.1"
     react-dom: "npm:^18.3.1"
     react-router-dom: "npm:^6.25.1"
     tailwind-merge: "npm:^2.4.0"
-    tailwindcss: "npm:^3.4.6"
-    tailwindcss-animate: "npm:^1.0.7"
     typescript: "npm:^5.2.2"
   languageName: unknown
   linkType: soft
@@ -5619,7 +5602,6 @@ __metadata:
     clsx: "npm:^2.1.1"
     jsdom: "npm:^24.1.1"
     postcss: "npm:^8.4.39"
-    tailwind-merge: "npm:^2.4.0"
     tailwindcss: "npm:^3.4.6"
     tailwindcss-animate: "npm:^1.0.7"
     vite: "npm:^5.3.4"