diff --git a/packages/frontend/src/cache.ts b/packages/frontend/src/cache.ts
index b286528de6..bfe8fbe0e4 100644
--- a/packages/frontend/src/cache.ts
+++ b/packages/frontend/src/cache.ts
@@ -11,3 +11,4 @@ export const clipsCache = new Cache<Misskey.entities.Clip[]>(1000 * 60 * 30, ()
 export const rolesCache = new Cache(1000 * 60 * 30, () => misskeyApi('admin/roles/list'));
 export const userListsCache = new Cache<Misskey.entities.UserList[]>(1000 * 60 * 30, () => misskeyApi('users/lists/list'));
 export const antennasCache = new Cache<Misskey.entities.Antenna[]>(1000 * 60 * 30, () => misskeyApi('antennas/list'));
+export const favoritedChannelsCache = new Cache<Misskey.entities.Channel[]>(1000 * 60 * 30, () => misskeyApi('channels/my-favorites', { limit: 100 }));
diff --git a/packages/frontend/src/pages/channel.vue b/packages/frontend/src/pages/channel.vue
index 611ae6feca..a895df76e8 100644
--- a/packages/frontend/src/pages/channel.vue
+++ b/packages/frontend/src/pages/channel.vue
@@ -83,6 +83,7 @@ import { definePageMetadata } from '@/scripts/page-metadata.js';
 import { deviceKind } from '@/scripts/device-kind.js';
 import MkNotes from '@/components/MkNotes.vue';
 import { url } from '@/config.js';
+import { favoritedChannelsCache } from '@/cache.js';
 import MkButton from '@/components/MkButton.vue';
 import MkInput from '@/components/MkInput.vue';
 import { defaultStore } from '@/store.js';
@@ -153,6 +154,7 @@ function favorite() {
 		channelId: channel.value.id,
 	}).then(() => {
 		favorited.value = true;
+		favoritedChannelsCache.delete();
 	});
 }
 
@@ -168,6 +170,7 @@ async function unfavorite() {
 		channelId: channel.value.id,
 	}).then(() => {
 		favorited.value = false;
+		favoritedChannelsCache.delete();
 	});
 }
 
diff --git a/packages/frontend/src/pages/timeline.vue b/packages/frontend/src/pages/timeline.vue
index 48dfc1fd44..98744c6318 100644
--- a/packages/frontend/src/pages/timeline.vue
+++ b/packages/frontend/src/pages/timeline.vue
@@ -48,7 +48,7 @@ import { i18n } from '@/i18n.js';
 import { instance } from '@/instance.js';
 import { $i } from '@/account.js';
 import { definePageMetadata } from '@/scripts/page-metadata.js';
-import { antennasCache, userListsCache } from '@/cache.js';
+import { antennasCache, userListsCache, favoritedChannelsCache } from '@/cache.js';
 import { deviceKind } from '@/scripts/device-kind.js';
 import { deepMerge } from '@/scripts/merge.js';
 import { MenuItem } from '@/types/menu.js';
@@ -173,9 +173,7 @@ async function chooseAntenna(ev: MouseEvent): Promise<void> {
 }
 
 async function chooseChannel(ev: MouseEvent): Promise<void> {
-	const channels = await misskeyApi('channels/my-favorites', {
-		limit: 100,
-	});
+	const channels = await favoritedChannelsCache.fetch();
 	const items: MenuItem[] = [
 		...channels.map(channel => {
 			const lastReadedAt = miLocalStorage.getItemAsJson(`channelLastReadedAt:${channel.id}`) ?? null;
diff --git a/packages/frontend/src/scripts/get-note-menu.ts b/packages/frontend/src/scripts/get-note-menu.ts
index e7c9a848e0..71ad299f50 100644
--- a/packages/frontend/src/scripts/get-note-menu.ts
+++ b/packages/frontend/src/scripts/get-note-menu.ts
@@ -16,7 +16,7 @@ import { url } from '@/config.js';
 import { defaultStore, noteActions } from '@/store.js';
 import { miLocalStorage } from '@/local-storage.js';
 import { getUserMenu } from '@/scripts/get-user-menu.js';
-import { clipsCache } from '@/cache.js';
+import { clipsCache, favoritedChannelsCache } from '@/cache.js';
 import { MenuItem } from '@/types/menu.js';
 import MkRippleEffect from '@/components/MkRippleEffect.vue';
 import { isSupportShare } from '@/scripts/navigator.js';
@@ -603,9 +603,7 @@ export function getRenoteMenu(props: {
 			icon: 'ti ti-repeat',
 			text: appearNote.channel ? i18n.ts.renoteToOtherChannel : i18n.ts.renoteToChannel,
 			children: async () => {
-				const channels = await misskeyApi('channels/my-favorites', {
-					limit: 30,
-				});
+				const channels = await favoritedChannelsCache.fetch();
 				return channels.filter((channel) => {
 					if (!appearNote.channelId) return true;
 					return channel.id !== appearNote.channelId;
diff --git a/packages/frontend/src/ui/deck/channel-column.vue b/packages/frontend/src/ui/deck/channel-column.vue
index bd3b059497..28c741bba2 100644
--- a/packages/frontend/src/ui/deck/channel-column.vue
+++ b/packages/frontend/src/ui/deck/channel-column.vue
@@ -26,6 +26,7 @@ import { updateColumn, Column } from './deck-store.js';
 import MkTimeline from '@/components/MkTimeline.vue';
 import MkButton from '@/components/MkButton.vue';
 import * as os from '@/os.js';
+import { favoritedChannelsCache } from '@/cache.js';
 import { misskeyApi } from '@/scripts/misskey-api.js';
 import { i18n } from '@/i18n.js';
 
@@ -42,20 +43,18 @@ if (props.column.channelId == null) {
 }
 
 async function setChannel() {
-	const channels = await misskeyApi('channels/my-favorites', {
-		limit: 100,
-	});
-	const { canceled, result: channel } = await os.select({
+	const channels = await favoritedChannelsCache.fetch();
+	const { canceled, result: chosenChannel } = await os.select({
 		title: i18n.ts.selectChannel,
 		items: channels.map(x => ({
 			value: x, text: x.name,
 		})),
 		default: props.column.channelId,
 	});
-	if (canceled) return;
+	if (canceled || chosenChannel == null) return;
 	updateColumn(props.column.id, {
-		channelId: channel.id,
-		name: channel.name,
+		channelId: chosenChannel.id,
+		name: chosenChannel.name,
 	});
 }