diff --git a/app/components/layout/Header/Header.tsx b/app/components/layout/Header/Header.tsx
index cc7de60..b34b7f4 100644
--- a/app/components/layout/Header/Header.tsx
+++ b/app/components/layout/Header/Header.tsx
@@ -2,5 +2,5 @@ import HeaderClient from "./HeaderClient";
 import siteData from "@/app/data/site.json";
 
 export default function Header() {
-  return <HeaderClient brand={siteData.brand} nav={siteData.nav} />;
+  return <HeaderClient brand={siteData.brand} />;
 }
diff --git a/app/components/layout/Header/HeaderClient.tsx b/app/components/layout/Header/HeaderClient.tsx
index 4ea3173..0694b12 100644
--- a/app/components/layout/Header/HeaderClient.tsx
+++ b/app/components/layout/Header/HeaderClient.tsx
@@ -6,14 +6,10 @@ import { useEffect, useMemo, useState } from "react";
 import { useLanguage } from "@/app/context/LanguageContext";
 import { useTranslation } from "@/app/hooks/useTranslation";
 
-type NavItem = { label: string; href: string };
-
 export default function HeaderClient({
   brand,
-  nav,
 }: {
   brand: { name: string };
-  nav: NavItem[];
 }) {
   const pathname = usePathname();
   const [mobileOpen, setMobileOpen] = useState(false);
@@ -21,16 +17,17 @@ export default function HeaderClient({
   const { site } = useTranslation();
 
   const isHome = pathname === "/" || pathname === "/ipv6" || pathname === "/ipv6/";
-  const navItems = useMemo(() => site.nav.filter((x) => x.href !== "/"), [site.nav]);
+  const navItems = useMemo(
+    () => site.nav.filter((x) => !["/", "/registration", "/sponsor"].includes(x.href)),
+    [site.nav],
+  );
 
   const isActive = (href: string) => {
     if (href === "/") return isHome;
     return pathname === href || pathname === `/ipv6${href}` || pathname?.startsWith(`${href}/`) || pathname?.startsWith(`/ipv6${href}/`);
   };
 
-  const registerLabel = lang === "vi" ? "Đăng Ký" : "Register";
   const loginLabel = lang === "vi" ? "Đăng Nhập" : "Log In";
-  const registerNowLabel = lang === "vi" ? "Đăng Ký Ngay" : "Register Now";
   const loginNowLabel = lang === "vi" ? "Đăng Nhập" : "Log In";
   const backLabel = lang === "vi" ? "Trang Chủ" : "Home";
 
@@ -114,12 +111,6 @@ export default function HeaderClient({
             >
               {loginLabel}
             </Link>
-            <Link
-              href="/registration"
-              className="hidden sm:inline-flex gold-gradient-bg text-on-primary px-4 lg:px-6 py-2 lg:py-2.5 font-[var(--font-body-base)] text-xs lg:text-sm font-bold uppercase tracking-wider rounded-lg active:scale-95 transition-transform shadow-lg shadow-primary/10"
-            >
-              {registerLabel}
-            </Link>
             <button
               type="button"
               className="lg:hidden text-primary p-2"
@@ -220,13 +211,6 @@ export default function HeaderClient({
             >
               {loginNowLabel}
             </Link>
-            <Link
-              href="/registration"
-              className="gold-gradient-bg text-on-primary w-full py-5 font-[var(--font-body-base)] text-lg font-bold uppercase tracking-widest rounded-xl text-center shadow-2xl"
-              onClick={() => setMobileOpen(false)}
-            >
-              {registerNowLabel}
-            </Link>
           </div>
         </div>
       </div>
diff --git a/package-lock.json b/package-lock.json
index ede2297..73c4102 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -107,6 +107,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.29.0",
         "@babel/generator": "^7.29.0",
@@ -456,6 +457,7 @@
         }
       ],
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=18"
       },
@@ -479,6 +481,7 @@
         }
       ],
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -2865,7 +2868,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.10.4",
         "@babel/runtime": "^7.12.5",
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       "dev": true,
       "license": "Apache-2.0",
-      "peer": true,
       "dependencies": {
         "dequal": "^2.0.3"
       }
@@ -2977,8 +2978,7 @@
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       "integrity": "sha512-rfT93uj5s0PRL7EzccGMs3brplhcrghnDoV26NqKhCAS1hVo+WdNsPvE/yb6ilfr5hi2MEk6d5EWJTKdxg8jVw==",
       "dev": true,
-      "license": "MIT",
-      "peer": true
+      "license": "MIT"
     },
     "node_modules/@types/babel__core": {
       "version": "7.20.5",
@@ -3052,6 +3052,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "undici-types": "~6.21.0"
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "csstype": "^3.2.2"
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "peerDependencies": {
         "@types/react": "^19.2.0"
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@typescript-eslint/scope-manager": "8.59.2",
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@@ -3820,6 +3824,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
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       "dev": true,
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-      "peer": true,
       "engines": {
         "node": ">=8"
       }
@@ -4211,6 +4215,7 @@
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       ],
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "baseline-browser-mapping": "^2.10.12",
         "caniuse-lite": "^1.0.30001782",
@@ -4653,7 +4658,6 @@
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       "dev": true,
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@@ -4686,8 +4690,7 @@
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       "dev": true,
-      "license": "MIT",
-      "peer": true
+      "license": "MIT"
     },
     "node_modules/dotenv": {
       "version": "17.4.2",
@@ -5053,6 +5056,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
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       "dev": true,
       "license": "MIT",
+      "peer": true,
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "cssstyle": "^4.1.0",
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@@ -7816,8 +7819,7 @@
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       "dev": true,
-      "license": "MIT",
-      "peer": true
+      "license": "MIT"
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     "node_modules/prop-types": {
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@@ -7892,6 +7894,7 @@
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+      "peer": true,
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+      "peer": true,
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       "license": "MIT",
+      "peer": true,
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       "dev": true,
       "license": "MIT",
+      "peer": true,
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       "dev": true,
       "license": "Apache-2.0",
+      "peer": true,
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         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
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       "dev": true,
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }