diff --git a/index.html b/index.html
index 3a421c8..41076fd 100644
--- a/index.html
+++ b/index.html
@@ -8,28 +8,19 @@
     <meta name="twitter:creator" content="@syusui-s" />
     <meta
       name="twitter:image"
-      content="https://syusui-s.github.io/rabbit/images/rabbit_app_1280.png"
+      content="https://rabbit.syusui.net/images/rabbit_app_1280.png"
     />
     <meta property="og:type" content="website" />
-    <meta property="og:url" content="https://syusui-s.github.io/rabbit/" />
+    <meta property="og:url" content="https://rabbit.syusui.net/" />
     <meta property="og:title" content="🐰rabbit" />
-    <meta property="og:description" content="Nostr Client" />
+    <meta property="og:description" content="A nostr client supports multi-columns." />
     <meta
       property="og:image"
-      content="https://syusui-s.github.io/rabbit/images/rabbit_app_1280.png"
+      content="https://rabbit.syusui.net/images/rabbit_app_1280.png"
     />
     <meta property="og:locale" content="ja_JP" />
     <link rel="manifest" href="manifest.json" />
     <link rel="shortcut icon" type="image/png" href="./images/rabbit_256.png" />
-    <script>
-      /*
-      if (location.hostname === 'syusui-s.github.io' && location.pathname.startsWith('/rabbit/')) {
-        const url = new URL('https://rabbit.syusui.net/');
-        url.pathname = location.pathname.replace(/^\/rabbit/, '');
-        location.href = url.href;
-      }
-      */
-    </script>
     <title>Rabbit</title>
   </head>
   <body>
diff --git a/src/App.tsx b/src/App.tsx
index 1ea9472..8c30a15 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -6,7 +6,6 @@ import { persistQueryClient } from '@tanstack/query-persist-client-core';
 import { QueryClient, QueryClientProvider } from '@tanstack/solid-query';
 import { get as getItem, set as setItem, del as removeItem } from 'idb-keyval';
 
-import DomainTransferInfo from '@/components/DomainTransferInfo';
 import useColorTheme from '@/hooks/useColorTheme';
 import usePersistStatus from '@/hooks/usePersistStatus';
 import i18nextInstance from '@/i18n/i18n';
@@ -64,14 +63,12 @@ const App: Component = () => {
   return (
     <I18NextProvider i18next={i18next}>
       <QueryClientProvider client={queryClient}>
-        <DomainTransferInfo>
-          <HashRouter>
-            <Route path="/hello" component={() => <Navigate href="/" />} />
-            <Route path="/" component={() => <EntryPoint />} />
-            <Route path="/:id" component={() => <Permalink />} matchFilters={permalinkFilters} />
-            <Route path="/*" component={() => <NotFound />} />
-          </HashRouter>
-        </DomainTransferInfo>
+        <HashRouter>
+          <Route path="/hello" component={() => <Navigate href="/" />} />
+          <Route path="/" component={() => <EntryPoint />} />
+          <Route path="/:id" component={() => <Permalink />} matchFilters={permalinkFilters} />
+          <Route path="/*" component={() => <NotFound />} />
+        </HashRouter>
       </QueryClientProvider>
     </I18NextProvider>
   );
diff --git a/src/components/DomainTransferInfo.tsx b/src/components/DomainTransferInfo.tsx
deleted file mode 100644
index fba7611..0000000
--- a/src/components/DomainTransferInfo.tsx
+++ /dev/null
@@ -1,47 +0,0 @@
-import { createSignal, Show, type Component, type JSX } from 'solid-js';
-
-import XMark from 'heroicons/24/outline/x-mark.svg';
-
-import SafeLink from '@/components/utils/SafeLink';
-import { useTranslation } from '@/i18n/useTranslation';
-
-const isPermittedDomain = (url: URL | Location) =>
-  url.host === 'rabbit.syusui.net' || url.host.startsWith('localhost');
-
-const DomainTransferInfo: Component<{ children: JSX.Element }> = (props) => {
-  const i18n = useTranslation();
-  const [showContent, setShowContent] = createSignal(false);
-
-  return (
-    <Show
-      when={isPermittedDomain(window.location) || showContent()}
-      fallback={
-        <div class="flex h-svh w-screen shrink-0 flex-col items-center justify-center border-b border-border bg-bg-tertiary text-fg">
-          <h3 class="text-2xl font-bold">{i18n.t('domainTransfer.announcementHead')}</h3>
-          <div>{i18n.t('domainTransfer.announcementDescription')}</div>
-          <SafeLink class="text-lg text-link underline" href="https://rabbit.syusui.net/" />
-          <SafeLink
-            class="mt-4 text-sm text-link underline"
-            href="https://scrapbox.io/nostr/Rabbit#659be5fa1246d700005facb8"
-          >
-            {i18n.t('domainTransfer.howToMigrateSettings')}
-          </SafeLink>
-          <button
-            type="button"
-            class="mt-4 flex items-center text-fg-secondary"
-            onClick={() => setShowContent(true)}
-          >
-            <span class="inline-block size-5">
-              <XMark />
-            </span>
-            {i18n.t('domainTransfer.close')}
-          </button>
-        </div>
-      }
-    >
-      {props.children}
-    </Show>
-  );
-};
-
-export default DomainTransferInfo;
diff --git a/src/components/modal/Config.tsx b/src/components/modal/Config.tsx
index afea40e..97722b6 100644
--- a/src/components/modal/Config.tsx
+++ b/src/components/modal/Config.tsx
@@ -634,7 +634,6 @@ const OtherConfig = () => {
 const ConfigUI = (props: ConfigProps) => {
   const i18n = useTranslation();
   const [menuIndex, setMenuIndex] = createSignal<number | null>(null);
-  const { config, setConfig } = useConfig();
 
   const menu = [
     {
@@ -691,41 +690,6 @@ const ConfigUI = (props: ConfigProps) => {
           fallback={
             <>
               <h2 class="flex-1 text-center text-lg font-bold">{i18n.t('config.config')}</h2>
-              <div class="flex gap-1">
-                <Show when={window.location.host === 'syusui-s.github.io'}>
-                  <button
-                    type="button"
-                    class="rounded bg-primary p-2 text-primary-fg"
-                    onClick={() => {
-                      navigator.clipboard
-                        .writeText(JSON.stringify(config(), null, 2))
-                        .then(() => window.alert('OK'))
-                        .catch(() => window.alert('failed to copy'));
-                    }}
-                  >
-                    {i18n.t('config.copyToClipboard')}
-                  </button>
-                </Show>
-                <Show when={window.location.host === 'rabbit.syusui.net'}>
-                  <button
-                    type="button"
-                    class="rounded bg-primary p-2 text-primary-fg"
-                    onClick={() => {
-                      const text = window.prompt('Paste config') ?? '';
-                      if (text.length === 0) {
-                        window.alert('empty');
-                        return;
-                      }
-                      const json = JSON.parse(text) as ReturnType<typeof config>;
-                      if (window.confirm(`import?:\n${text}`)) {
-                        setConfig(json);
-                      }
-                    }}
-                  >
-                    {i18n.t('config.importFromClipboard')}
-                  </button>
-                </Show>
-              </div>
               <ul class="flex flex-col">
                 <For each={menu}>
                   {(menuItem, i) => (
