diff --git a/docs/astro.config.ts b/docs/astro.config.ts
index bae49de4a..1db067e40 100644
--- a/docs/astro.config.ts
+++ b/docs/astro.config.ts
@@ -33,7 +33,6 @@ export default defineConfig({
       ],
       head: [
         { tag: 'link', attrs: { rel: 'icon', type: 'image/svg+xml', href: '/favicon.svg', sizes: 'any' } },
-        { tag: 'link', attrs: { rel: 'shortcut icon', href: '/favicon.ico' } },
         { tag: 'link', attrs: { rel: 'apple-touch-icon', sizes: '180x180', href: '/apple-touch-icon.png' } },
         { tag: 'meta', attrs: { name: 'apple-mobile-web-app-title', content: 'Airi' } },
         { tag: 'link', attrs: { ref: 'manifest', href: '/site.webmanifest' } },
diff --git a/docs/src/assets/houston.webp b/docs/src/assets/houston.webp
deleted file mode 100644
index 930c16497..000000000
Binary files a/docs/src/assets/houston.webp and /dev/null differ