diff --git a/packages/frontend/src/pages/settings/timelineHeader.vue b/packages/frontend/src/pages/settings/timelineHeader.vue
index a7f8b42857..16ec626dfe 100644
--- a/packages/frontend/src/pages/settings/timelineHeader.vue
+++ b/packages/frontend/src/pages/settings/timelineHeader.vue
@@ -50,11 +50,11 @@ import { defaultStore } from '@/store.js';
 import { unisonReload } from '@/scripts/unison-reload.js';
 import { i18n } from '@/i18n.js';
 import { definePageMetadata } from '@/scripts/page-metadata.js';
-import { timelineHeaderItemDef } from '@/timelineHeader.js';
+import { timelineHeaderItemDef } from '@/timeline-header.js';
 
 const Sortable = defineAsyncComponent(() => import('vuedraggable').then(x => x.default));
 
-const items = ref(defaultStore.state.timelineTopBar.map(x => ({
+const items = ref(defaultStore.state.timelineHeader.map(x => ({
 	id: Math.random().toString(),
 	type: x,
 })));
@@ -70,7 +70,7 @@ async function reloadAsk() {
 }
 
 async function addItem() {
-	const menu = Object.keys(timelineHeaderItemDef).filter(k => !defaultStore.state.timelineTopBar.includes(k));
+	const menu = Object.keys(timelineHeaderItemDef).filter(k => !defaultStore.state.timelineHeader.includes(k));
 	const { canceled, result: item } = await os.select({
 		title: i18n.ts.addItem,
 		items: [...menu.map(k => ({
@@ -89,12 +89,12 @@ function removeItem(index: number) {
 }
 
 async function save() {
-	defaultStore.set('timelineTopBar', items.value.map(x => x.type));
+	defaultStore.set('timelineHeader', items.value.map(x => x.type));
 	await reloadAsk();
 }
 
 function reset() {
-	items.value = defaultStore.def.timelineTopBar.default.map(x => ({
+	items.value = defaultStore.def.timelineHeader.default.map(x => ({
 		id: Math.random().toString(),
 		type: x,
 	}));
diff --git a/packages/frontend/src/pages/timeline.vue b/packages/frontend/src/pages/timeline.vue
index 2d88cda853..69b0fcbb33 100644
--- a/packages/frontend/src/pages/timeline.vue
+++ b/packages/frontend/src/pages/timeline.vue
@@ -53,12 +53,11 @@ import { deviceKind } from '@/scripts/device-kind.js';
 import { deepMerge } from '@/scripts/merge.js';
 import { MenuItem } from '@/types/menu.js';
 import { miLocalStorage } from '@/local-storage.js';
-import { timelineHeaderItemDef } from '@/timelineHeader.js';
+import { timelineHeaderItemDef } from '@/timeline-header.js';
+import { isLocalTimelineAvailable, isGlobalTimelineAvailable } from '@/scripts/get-timeline-available.js';
 
 provide('shouldOmitHeaderTitle', true);
 
-const isLocalTimelineAvailable = ($i == null && instance.policies.ltlAvailable) || ($i != null && $i.policies.ltlAvailable);
-const isGlobalTimelineAvailable = ($i == null && instance.policies.gtlAvailable) || ($i != null && $i.policies.gtlAvailable);
 const keymap = {
 	't': focus,
 };
@@ -278,23 +277,37 @@ const headerActions = computed(() => {
 	}
 	return tmp;
 });
-let headerTabs = computed(() => defaultStore.reactiveState.timelineTopBar.value.map(tab => ({
-	...(tab !== 'lists' && tab !== 'antennas' && tab !== 'channels' ? {
-		key: tab,
-	} : {}),
-	title: timelineHeaderItemDef[tab].title,
-	icon: timelineHeaderItemDef[tab].icon,
-	iconOnly: timelineHeaderItemDef[tab].iconOnly,
-	...(tab === 'lists' ? {
-		onClick: (ev) => chooseList(ev),
-	} : {}),
-	...(tab === 'antennas' ? {
-		onClick: (ev) => chooseAntenna(ev),
-	} : {}),
-	...(tab === 'channels' ? {
-		onClick: (ev) => chooseChannel(ev),
-	} : {}),
-})) as Tab[]);
+const headerTabs = computed(() => defaultStore.reactiveState.timelineHeader.value.map(tab => {
+	if ((tab === 'local' || tab === 'social') && !isLocalTimelineAvailable) {
+		return {};
+	} else if (tab === 'global' && !isGlobalTimelineAvailable) {
+		return {};
+	}
+
+	const tabDef = timelineHeaderItemDef[tab];
+	if (!tabDef) {
+		return {};
+	}
+
+	return {
+		...(!['channels', 'antennas', 'lists'].includes(tab) ? {
+			key: tab,
+		} : {}),
+		title: tabDef.title,
+		icon: tabDef.icon,
+		iconOnly: tabDef.iconOnly,
+		...(tab === 'lists' ? {
+			onClick: (ev) => chooseList(ev),
+		} : {}),
+		...(tab === 'antennas' ? {
+			onClick: (ev) => chooseAntenna(ev),
+		} : {}),
+		...(tab === 'channels' ? {
+			onClick: (ev) => chooseChannel(ev),
+		} : {}),
+	};
+}) as Tab[]);
+
 const headerTabsWhenNotLogin = computed(() => [
 	...(isLocalTimelineAvailable ? [{
 		key: 'local',
diff --git a/packages/frontend/src/router/definition.ts b/packages/frontend/src/router/definition.ts
index b63a9e7509..360930b363 100644
--- a/packages/frontend/src/router/definition.ts
+++ b/packages/frontend/src/router/definition.ts
@@ -113,7 +113,7 @@ const routes: RouteDef[] = [{
 		name: 'navbar',
 		component: page(() => import('@/pages/settings/navbar.vue')),
 	}, {
-		path: '/timelineheader',
+		path: '/timeline-header',
 		name: 'timelineHeader',
 		component: page(() => import('@/pages/settings/timelineHeader.vue')),
 	}, {
diff --git a/packages/frontend/src/scripts/get-timeline-available.ts b/packages/frontend/src/scripts/get-timeline-available.ts
new file mode 100644
index 0000000000..30197441ea
--- /dev/null
+++ b/packages/frontend/src/scripts/get-timeline-available.ts
@@ -0,0 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+import { $i } from '@/account.js';
+import { instance } from '@/instance.js';
+export const isLocalTimelineAvailable = ($i == null && instance.policies.ltlAvailable) || ($i != null && $i.policies.ltlAvailable);
+export const isGlobalTimelineAvailable = ($i == null && instance.policies.gtlAvailable) || ($i != null && $i.policies.gtlAvailable);
diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index 09a1f13f72..961cbee9ff 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -9,7 +9,7 @@ import { miLocalStorage } from './local-storage.js';
 import type { SoundType } from '@/scripts/sound.js';
 import { Storage } from '@/pizzax.js';
 import { hemisphere } from '@/scripts/intl-const.js';
-
+import { isLocalTimelineAvailable, isGlobalTimelineAvailable } from '@/scripts/get-timeline-available.js';
 interface PostFormAction {
 	title: string,
 	handler: <T>(form: T, update: (key: unknown, value: unknown) => void) => void;
@@ -52,8 +52,6 @@ export type SoundStore = {
 
 	volume: number;
 }
-export const isLocalTimelineAvailable = ($i == null && instance.policies.ltlAvailable) || ($i != null && $i.policies.ltlAvailable);
-export const isGlobalTimelineAvailable = ($i == null && instance.policies.gtlAvailable) || ($i != null && $i.policies.gtlAvailable);
 export const postFormActions: PostFormAction[] = [];
 export const userActions: UserAction[] = [];
 export const noteActions: NoteAction[] = [];
@@ -149,7 +147,7 @@ export const defaultStore = markRaw(new Storage('base', {
 			'ui',
 		],
 	},
-	timelineTopBar: {
+	timelineHeader: {
 		where: 'deviceAccount',
 		default: [
 			'home',
@@ -163,7 +161,7 @@ export const defaultStore = markRaw(new Storage('base', {
 			'lists',
 			'antennas',
 			'channels',
-		],
+		] as TimelineHeaderItem[],
 	},
 	visibility: {
 		where: 'deviceAccount',
@@ -539,8 +537,7 @@ interface Watcher {
  */
 import lightTheme from '@/themes/l-light.json5';
 import darkTheme from '@/themes/d-green-lime.json5';
-import { $i } from '@/account.js';
-import { instance } from '@/instance.js';
+import { TimelineHeaderItem } from '@/timeline-header.js';
 
 export class ColdDeviceStorage {
 	public static default = {
diff --git a/packages/frontend/src/timelineHeader.ts b/packages/frontend/src/timeline-header.ts
similarity index 74%
rename from packages/frontend/src/timelineHeader.ts
rename to packages/frontend/src/timeline-header.ts
index f603dc4206..5cf27c0c7b 100644
--- a/packages/frontend/src/timelineHeader.ts
+++ b/packages/frontend/src/timeline-header.ts
@@ -6,13 +6,30 @@
 import { reactive } from 'vue';
 import { i18n } from '@/i18n.js';
 import { userListsCache } from '@/cache.js';
-import { isLocalTimelineAvailable, isGlobalTimelineAvailable } from '@/store.js';
+import { isLocalTimelineAvailable, isGlobalTimelineAvailable } from '@/scripts/get-timeline-available.js';
+
+export type TimelineHeaderItem =
+	'home' |
+	'local' |
+	'social' |
+	'global' |
+	'lists' |
+	'antennas' |
+	'channels' |
+	`list:${string}`
+
+type TimelineHeaderItemsDef = {
+	title: string;
+	icon: string;
+	iconOnly?: boolean; // わからん
+}
+
 const lists = await userListsCache.fetch();
-export const timelineHeaderItemDef = reactive({
+export const timelineHeaderItemDef = reactive<Partial<Record<TimelineHeaderItem, TimelineHeaderItemsDef>>>({
 	home: {
 		title: i18n.ts._timelines.home,
 		icon: 'ti ti-home',
-		iconOnly: false,
+		iconOnly: true,
 	},
 	...(isLocalTimelineAvailable ? {
 		local: {