diff --git a/packages/backend/src/core/entities/EmojiEntityService.ts b/packages/backend/src/core/entities/EmojiEntityService.ts
index 08d83a2753..f9419c5398 100644
--- a/packages/backend/src/core/entities/EmojiEntityService.ts
+++ b/packages/backend/src/core/entities/EmojiEntityService.ts
@@ -6,8 +6,8 @@ import type { Packed } from '@/misc/schema.js';
 import type { } from '@/models/entities/Blocking.js';
 import type { User } from '@/models/entities/User.js';
 import type { Emoji } from '@/models/entities/Emoji.js';
-import { UserEntityService } from './UserEntityService.js';
 import { bindThis } from '@/decorators.js';
+import { UserEntityService } from './UserEntityService.js';
 
 @Injectable()
 export class EmojiEntityService {
@@ -22,6 +22,7 @@ export class EmojiEntityService {
 	@bindThis
 	public async pack(
 		src: Emoji['id'] | Emoji,
+		opts: { omitUrl?: boolean } = {},
 	): Promise<Packed<'Emoji'>> {
 		const emoji = typeof src === 'object' ? src : await this.emojisRepository.findOneByOrFail({ id: src });
 
@@ -32,15 +33,16 @@ export class EmojiEntityService {
 			category: emoji.category,
 			host: emoji.host,
 			// ?? emoji.originalUrl してるのは後方互換性のため
-			url: emoji.publicUrl ?? emoji.originalUrl,
+			url: opts.omitUrl ? undefined : (emoji.publicUrl ?? emoji.originalUrl),
 		};
 	}
 
 	@bindThis
 	public packMany(
 		emojis: any[],
+		opts: { omitUrl?: boolean } = {},
 	) {
-		return Promise.all(emojis.map(x => this.pack(x)));
+		return Promise.all(emojis.map(x => this.pack(x, opts)));
 	}
 }
 
diff --git a/packages/backend/src/models/schema/emoji.ts b/packages/backend/src/models/schema/emoji.ts
index e97fdd5ef6..9a52609b68 100644
--- a/packages/backend/src/models/schema/emoji.ts
+++ b/packages/backend/src/models/schema/emoji.ts
@@ -31,7 +31,7 @@ export const packedEmojiSchema = {
 		},
 		url: {
 			type: 'string',
-			optional: false, nullable: false,
+			optional: true, nullable: false,
 		},
 	},
 } as const;
diff --git a/packages/backend/src/server/api/endpoints/meta.ts b/packages/backend/src/server/api/endpoints/meta.ts
index 05da011979..66c9f0620a 100644
--- a/packages/backend/src/server/api/endpoints/meta.ts
+++ b/packages/backend/src/server/api/endpoints/meta.ts
@@ -309,6 +309,7 @@ export const paramDef = {
 	type: 'object',
 	properties: {
 		detail: { type: 'boolean', default: true },
+		omitEmojiUrl: { type: 'boolean', default: false },
 	},
 	required: [],
 } as const;
@@ -390,7 +391,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 				backgroundImageUrl: instance.backgroundImageUrl,
 				logoImageUrl: instance.logoImageUrl,
 				maxNoteTextLength: MAX_NOTE_TEXT_LENGTH, // 後方互換性のため
-				emojis: await this.emojiEntityService.packMany(emojis),
+				emojis: await this.emojiEntityService.packMany(emojis, { omitUrl: ps.omitEmojiUrl }),
 				defaultLightTheme: instance.defaultLightTheme,
 				defaultDarkTheme: instance.defaultDarkTheme,
 				ads: ads.map(ad => ({
diff --git a/packages/backend/src/server/web/ClientServerService.ts b/packages/backend/src/server/web/ClientServerService.ts
index 2b3f0ce0f5..af1ff91ac9 100644
--- a/packages/backend/src/server/web/ClientServerService.ts
+++ b/packages/backend/src/server/web/ClientServerService.ts
@@ -26,7 +26,7 @@ import { PageEntityService } from '@/core/entities/PageEntityService.js';
 import { GalleryPostEntityService } from '@/core/entities/GalleryPostEntityService.js';
 import { ClipEntityService } from '@/core/entities/ClipEntityService.js';
 import { ChannelEntityService } from '@/core/entities/ChannelEntityService.js';
-import type { ChannelsRepository, ClipsRepository, GalleryPostsRepository, NotesRepository, PagesRepository, UserProfilesRepository, UsersRepository } from '@/models/index.js';
+import type { ChannelsRepository, ClipsRepository, EmojisRepository, GalleryPostsRepository, NotesRepository, PagesRepository, UserProfilesRepository, UsersRepository } from '@/models/index.js';
 import { deepClone } from '@/misc/clone.js';
 import { bindThis } from '@/decorators.js';
 import manifest from './manifest.json' assert { type: 'json' };
@@ -70,6 +70,9 @@ export class ClientServerService {
 		@Inject(DI.pagesRepository)
 		private pagesRepository: PagesRepository,
 
+		@Inject(DI.emojisRepository)
+		private emojisRepository: EmojisRepository,
+
 		private userEntityService: UserEntityService,
 		private noteEntityService: NoteEntityService,
 		private pageEntityService: PageEntityService,
@@ -217,6 +220,33 @@ export class ClientServerService {
 			return reply.sendFile('/apple-touch-icon.png', staticAssets);
 		});
 
+		fastify.get<{ Params: { path: string } }>('/emoji/:path(.*)', async (request, reply) => {
+			const path = request.params.path;
+
+			if (!path.match(/^[a-zA-Z0-9\-_@\.]+?\.webp$/)) {
+				reply.code(404);
+				return;
+			}
+
+			const name = path.split('@')[0].replace('.webp', '');
+			const host = path.split('@')[1]?.replace('.webp', '');
+
+			const emoji = await this.emojisRepository.findOneBy({
+				host: host == null ? IsNull() : host,
+				name: name,
+			});
+
+			if (emoji == null) {
+				reply.code(404);
+				return;
+			}
+
+			reply.header('Content-Security-Policy', 'default-src \'none\'; style-src \'unsafe-inline\'');
+
+			// ?? emoji.originalUrl してるのは後方互換性のため
+			return await reply.redirect(301, emoji.publicUrl ?? emoji.originalUrl);
+		});
+
 		fastify.get<{ Params: { path: string } }>('/fluent-emoji/:path(.*)', async (request, reply) => {
 			const path = request.params.path;
 
diff --git a/packages/frontend/src/components/MkNote.vue b/packages/frontend/src/components/MkNote.vue
index 65e3161c7f..e2e542f514 100644
--- a/packages/frontend/src/components/MkNote.vue
+++ b/packages/frontend/src/components/MkNote.vue
@@ -37,20 +37,20 @@
 			<MkInstanceTicker v-if="showTicker" class="ticker" :instance="appearNote.user.instance"/>
 			<div class="body">
 				<p v-if="appearNote.cw != null" class="cw">
-					<Mfm v-if="appearNote.cw != ''" class="text" :text="appearNote.cw" :author="appearNote.user" :i="$i" :custom-emojis="appearNote.emojis"/>
+					<Mfm v-if="appearNote.cw != ''" class="text" :text="appearNote.cw" :author="appearNote.user" :i="$i"/>
 					<XCwButton v-model="showContent" :note="appearNote"/>
 				</p>
 				<div v-show="appearNote.cw == null || showContent" class="content" :class="{ collapsed, isLong }">
 					<div class="text">
 						<span v-if="appearNote.isHidden" style="opacity: 0.5">({{ i18n.ts.private }})</span>
 						<MkA v-if="appearNote.replyId" class="reply" :to="`/notes/${appearNote.replyId}`"><i class="ti ti-arrow-back-up"></i></MkA>
-						<Mfm v-if="appearNote.text" :text="appearNote.text" :author="appearNote.user" :i="$i" :custom-emojis="appearNote.emojis"/>
+						<Mfm v-if="appearNote.text" :text="appearNote.text" :author="appearNote.user" :i="$i"/>
 						<a v-if="appearNote.renote != null" class="rp">RN:</a>
 						<div v-if="translating || translation" class="translation">
 							<MkLoading v-if="translating" mini/>
 							<div v-else class="translated">
 								<b>{{ $t('translatedFrom', { x: translation.sourceLang }) }}: </b>
-								<Mfm :text="translation.text" :author="appearNote.user" :i="$i" :custom-emojis="appearNote.emojis"/>
+								<Mfm :text="translation.text" :author="appearNote.user" :i="$i"/>
 							</div>
 						</div>
 					</div>
diff --git a/packages/frontend/src/components/MkNoteDetailed.vue b/packages/frontend/src/components/MkNoteDetailed.vue
index c7b7f49b20..c3c49420c5 100644
--- a/packages/frontend/src/components/MkNoteDetailed.vue
+++ b/packages/frontend/src/components/MkNoteDetailed.vue
@@ -48,20 +48,20 @@
 		<div class="main">
 			<div class="body">
 				<p v-if="appearNote.cw != null" class="cw">
-					<Mfm v-if="appearNote.cw != ''" class="text" :text="appearNote.cw" :author="appearNote.user" :i="$i" :custom-emojis="appearNote.emojis"/>
+					<Mfm v-if="appearNote.cw != ''" class="text" :text="appearNote.cw" :author="appearNote.user" :i="$i"/>
 					<XCwButton v-model="showContent" :note="appearNote"/>
 				</p>
 				<div v-show="appearNote.cw == null || showContent" class="content">
 					<div class="text">
 						<span v-if="appearNote.isHidden" style="opacity: 0.5">({{ i18n.ts.private }})</span>
 						<MkA v-if="appearNote.replyId" class="reply" :to="`/notes/${appearNote.replyId}`"><i class="ti ti-arrow-back-up"></i></MkA>
-						<Mfm v-if="appearNote.text" :text="appearNote.text" :author="appearNote.user" :i="$i" :custom-emojis="appearNote.emojis"/>
+						<Mfm v-if="appearNote.text" :text="appearNote.text" :author="appearNote.user" :i="$i"/>
 						<a v-if="appearNote.renote != null" class="rp">RN:</a>
 						<div v-if="translating || translation" class="translation">
 							<MkLoading v-if="translating" mini/>
 							<div v-else class="translated">
 								<b>{{ $t('translatedFrom', { x: translation.sourceLang }) }}: </b>
-								<Mfm :text="translation.text" :author="appearNote.user" :i="$i" :custom-emojis="appearNote.emojis"/>
+								<Mfm :text="translation.text" :author="appearNote.user" :i="$i"/>
 							</div>
 						</div>
 					</div>
diff --git a/packages/frontend/src/components/MkNoteSimple.vue b/packages/frontend/src/components/MkNoteSimple.vue
index 354de1a614..fc6bf40e9f 100644
--- a/packages/frontend/src/components/MkNoteSimple.vue
+++ b/packages/frontend/src/components/MkNoteSimple.vue
@@ -5,7 +5,7 @@
 		<XNoteHeader class="header" :note="note" :mini="true"/>
 		<div class="body">
 			<p v-if="note.cw != null" class="cw">
-				<Mfm v-if="note.cw != ''" class="text" :text="note.cw" :author="note.user" :i="$i" :custom-emojis="note.emojis"/>
+				<Mfm v-if="note.cw != ''" class="text" :text="note.cw" :author="note.user" :i="$i"/>
 				<XCwButton v-model="showContent" :note="note"/>
 			</p>
 			<div v-show="note.cw == null || showContent" class="content">
diff --git a/packages/frontend/src/components/MkNoteSub.vue b/packages/frontend/src/components/MkNoteSub.vue
index 0dbaae59e4..efaf35f5eb 100644
--- a/packages/frontend/src/components/MkNoteSub.vue
+++ b/packages/frontend/src/components/MkNoteSub.vue
@@ -6,7 +6,7 @@
 			<XNoteHeader class="header" :note="note" :mini="true"/>
 			<div class="body">
 				<p v-if="note.cw != null" class="cw">
-					<Mfm v-if="note.cw != ''" class="text" :text="note.cw" :author="note.user" :i="$i" :custom-emojis="note.emojis"/>
+					<Mfm v-if="note.cw != ''" class="text" :text="note.cw" :author="note.user" :i="$i"/>
 					<XCwButton v-model="showContent" :note="note"/>
 				</p>
 				<div v-show="note.cw == null || showContent" class="content">
diff --git a/packages/frontend/src/components/MkNotification.vue b/packages/frontend/src/components/MkNotification.vue
index cb2f384553..c8b197a850 100644
--- a/packages/frontend/src/components/MkNotification.vue
+++ b/packages/frontend/src/components/MkNotification.vue
@@ -34,31 +34,31 @@
 		</header>
 		<MkA v-if="notification.type === 'reaction'" class="text" :to="notePage(notification.note)" :title="getNoteSummary(notification.note)">
 			<i class="ti ti-quote"></i>
-			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full" :custom-emojis="notification.note.emojis"/>
+			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full"/>
 			<i class="ti ti-quote"></i>
 		</MkA>
 		<MkA v-if="notification.type === 'renote'" class="text" :to="notePage(notification.note)" :title="getNoteSummary(notification.note.renote)">
 			<i class="ti ti-quote"></i>
-			<Mfm :text="getNoteSummary(notification.note.renote)" :plain="true" :nowrap="!full" :custom-emojis="notification.note.renote.emojis"/>
+			<Mfm :text="getNoteSummary(notification.note.renote)" :plain="true" :nowrap="!full"/>
 			<i class="ti ti-quote"></i>
 		</MkA>
 		<MkA v-if="notification.type === 'reply'" class="text" :to="notePage(notification.note)" :title="getNoteSummary(notification.note)">
-			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full" :custom-emojis="notification.note.emojis"/>
+			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full"/>
 		</MkA>
 		<MkA v-if="notification.type === 'mention'" class="text" :to="notePage(notification.note)" :title="getNoteSummary(notification.note)">
-			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full" :custom-emojis="notification.note.emojis"/>
+			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full"/>
 		</MkA>
 		<MkA v-if="notification.type === 'quote'" class="text" :to="notePage(notification.note)" :title="getNoteSummary(notification.note)">
-			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full" :custom-emojis="notification.note.emojis"/>
+			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full"/>
 		</MkA>
 		<MkA v-if="notification.type === 'pollVote'" class="text" :to="notePage(notification.note)" :title="getNoteSummary(notification.note)">
 			<i class="ti ti-quote"></i>
-			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full" :custom-emojis="notification.note.emojis"/>
+			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full"/>
 			<i class="ti ti-quote"></i>
 		</MkA>
 		<MkA v-if="notification.type === 'pollEnded'" class="text" :to="notePage(notification.note)" :title="getNoteSummary(notification.note)">
 			<i class="ti ti-quote"></i>
-			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full" :custom-emojis="notification.note.emojis"/>
+			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full"/>
 			<i class="ti ti-quote"></i>
 		</MkA>
 		<span v-if="notification.type === 'follow'" class="text" style="opacity: 0.6;">{{ i18n.ts.youGotNewFollower }}<div v-if="full"><MkFollowButton :user="notification.user" :full="true"/></div></span>
diff --git a/packages/frontend/src/components/MkPoll.vue b/packages/frontend/src/components/MkPoll.vue
index a1b927e42a..f2e3a8ee4d 100644
--- a/packages/frontend/src/components/MkPoll.vue
+++ b/packages/frontend/src/components/MkPoll.vue
@@ -5,7 +5,7 @@
 			<div class="backdrop" :style="{ 'width': `${showResult ? (choice.votes / total * 100) : 0}%` }"></div>
 			<span>
 				<template v-if="choice.isVoted"><i class="ti ti-check"></i></template>
-				<Mfm :text="choice.text" :plain="true" :custom-emojis="note.emojis"/>
+				<Mfm :text="choice.text" :plain="true"/>
 				<span v-if="showResult" class="votes">({{ $t('_poll.votesCount', { n: choice.votes }) }})</span>
 			</span>
 		</li>
diff --git a/packages/frontend/src/components/MkReactionIcon.vue b/packages/frontend/src/components/MkReactionIcon.vue
index 5638c9a816..6e9d2b1a6c 100644
--- a/packages/frontend/src/components/MkReactionIcon.vue
+++ b/packages/frontend/src/components/MkReactionIcon.vue
@@ -1,5 +1,5 @@
 <template>
-<MkEmoji :emoji="reaction" :custom-emojis="customEmojis || []" :is-reaction="true" :normal="true" :no-style="noStyle"/>
+<MkEmoji :emoji="reaction" :is-reaction="true" :normal="true" :no-style="noStyle"/>
 </template>
 
 <script lang="ts" setup>
@@ -7,7 +7,6 @@ import { } from 'vue';
 
 const props = defineProps<{
 	reaction: string;
-	customEmojis?: any[]; // TODO
 	noStyle?: boolean;
 }>();
 </script>
diff --git a/packages/frontend/src/components/MkReactionTooltip.vue b/packages/frontend/src/components/MkReactionTooltip.vue
index 310d5954fc..34ebc4da2d 100644
--- a/packages/frontend/src/components/MkReactionTooltip.vue
+++ b/packages/frontend/src/components/MkReactionTooltip.vue
@@ -1,7 +1,7 @@
 <template>
 <MkTooltip ref="tooltip" :showing="showing" :target-element="targetElement" :max-width="340" @closed="emit('closed')">
 	<div class="beeadbfb">
-		<XReactionIcon :reaction="reaction" :custom-emojis="emojis" class="icon" :no-style="true"/>
+		<XReactionIcon :reaction="reaction" class="icon" :no-style="true"/>
 		<div class="name">{{ reaction.replace('@.', '') }}</div>
 	</div>
 </MkTooltip>
@@ -15,7 +15,6 @@ import XReactionIcon from '@/components/MkReactionIcon.vue';
 defineProps<{
 	showing: boolean;
 	reaction: string;
-	emojis: any[]; // TODO
 	targetElement: HTMLElement;
 }>();
 
diff --git a/packages/frontend/src/components/MkReactionsViewer.details.vue b/packages/frontend/src/components/MkReactionsViewer.details.vue
index 29902a5075..aae647b6af 100644
--- a/packages/frontend/src/components/MkReactionsViewer.details.vue
+++ b/packages/frontend/src/components/MkReactionsViewer.details.vue
@@ -2,7 +2,7 @@
 <MkTooltip ref="tooltip" :showing="showing" :target-element="targetElement" :max-width="340" @closed="emit('closed')">
 	<div class="bqxuuuey">
 		<div class="reaction">
-			<XReactionIcon :reaction="reaction" :custom-emojis="emojis" class="icon" :no-style="true"/>
+			<XReactionIcon :reaction="reaction" class="icon" :no-style="true"/>
 			<div class="name">{{ getReactionName(reaction) }}</div>
 		</div>
 		<div class="users">
@@ -27,7 +27,6 @@ defineProps<{
 	reaction: string;
 	users: any[]; // TODO
 	count: number;
-	emojis: any[]; // TODO
 	targetElement: HTMLElement;
 }>();
 
diff --git a/packages/frontend/src/components/MkReactionsViewer.reaction.vue b/packages/frontend/src/components/MkReactionsViewer.reaction.vue
index 31342b0b48..5387f490a1 100644
--- a/packages/frontend/src/components/MkReactionsViewer.reaction.vue
+++ b/packages/frontend/src/components/MkReactionsViewer.reaction.vue
@@ -7,7 +7,7 @@
 	:class="{ reacted: note.myReaction == reaction, canToggle }"
 	@click="toggleReaction()"
 >
-	<XReactionIcon class="icon" :reaction="reaction" :custom-emojis="note.emojis"/>
+	<XReactionIcon class="icon" :reaction="reaction"/>
 	<span class="count">{{ count }}</span>
 </button>
 </template>
diff --git a/packages/frontend/src/components/MkSubNoteContent.vue b/packages/frontend/src/components/MkSubNoteContent.vue
index 210923be46..a2d1d8ae48 100644
--- a/packages/frontend/src/components/MkSubNoteContent.vue
+++ b/packages/frontend/src/components/MkSubNoteContent.vue
@@ -4,7 +4,7 @@
 		<span v-if="note.isHidden" style="opacity: 0.5">({{ i18n.ts.private }})</span>
 		<span v-if="note.deletedAt" style="opacity: 0.5">({{ i18n.ts.deleted }})</span>
 		<MkA v-if="note.replyId" class="reply" :to="`/notes/${note.replyId}`"><i class="ti ti-arrow-back-up"></i></MkA>
-		<Mfm v-if="note.text" :text="note.text" :author="note.user" :i="$i" :custom-emojis="note.emojis"/>
+		<Mfm v-if="note.text" :text="note.text" :author="note.user" :i="$i"/>
 		<MkA v-if="note.renoteId" class="rp" :to="`/notes/${note.renoteId}`">RN: ...</MkA>
 	</div>
 	<details v-if="note.files.length > 0">
diff --git a/packages/frontend/src/components/MkUserInfo.vue b/packages/frontend/src/components/MkUserInfo.vue
index 036cbea304..6071fef66e 100644
--- a/packages/frontend/src/components/MkUserInfo.vue
+++ b/packages/frontend/src/components/MkUserInfo.vue
@@ -9,7 +9,7 @@
 	<span v-if="$i && $i.id !== user.id && user.isFollowed" class="followed">{{ $ts.followsYou }}</span>
 	<div class="description">
 		<div v-if="user.description" class="mfm">
-			<Mfm :text="user.description" :author="user" :i="$i" :custom-emojis="user.emojis"/>
+			<Mfm :text="user.description" :author="user" :i="$i"/>
 		</div>
 		<span v-else style="opacity: 0.7;">{{ i18n.ts.noAccountDescription }}</span>
 	</div>
diff --git a/packages/frontend/src/components/MkUserPreview.vue b/packages/frontend/src/components/MkUserPreview.vue
index 4de2e8baa2..d367d7b5c2 100644
--- a/packages/frontend/src/components/MkUserPreview.vue
+++ b/packages/frontend/src/components/MkUserPreview.vue
@@ -11,7 +11,7 @@
 				<p class="username"><MkAcct :user="user"/></p>
 			</div>
 			<div class="description">
-				<Mfm v-if="user.description" :text="user.description" :author="user" :i="$i" :custom-emojis="user.emojis"/>
+				<Mfm v-if="user.description" :text="user.description" :author="user" :i="$i"/>
 			</div>
 			<div class="status">
 				<div>
diff --git a/packages/frontend/src/components/global/MkEmoji.vue b/packages/frontend/src/components/global/MkEmoji.vue
index ce1299a39f..9a8418758d 100644
--- a/packages/frontend/src/components/global/MkEmoji.vue
+++ b/packages/frontend/src/components/global/MkEmoji.vue
@@ -1,5 +1,5 @@
 <template>
-<img v-if="customEmoji" class="mk-emoji custom" :class="{ normal, noStyle }" :src="url" :alt="alt" :title="alt" decoding="async"/>
+<img v-if="isCustom" class="mk-emoji custom" :class="{ normal, noStyle }" :src="url" :alt="alt" :title="alt" decoding="async"/>
 <img v-else-if="char && !useOsNativeEmojis" class="mk-emoji" :src="url" :alt="alt" decoding="async" @pointerenter="computeTitle"/>
 <span v-else-if="char && useOsNativeEmojis" :alt="alt" @pointerenter="computeTitle">{{ char }}</span>
 <span v-else>{{ emoji }}</span>
@@ -7,44 +7,40 @@
 
 <script lang="ts" setup>
 import { computed } from 'vue';
-import { CustomEmoji } from 'misskey-js/built/entities';
 import { getStaticImageUrl } from '@/scripts/get-static-image-url';
 import { char2twemojiFilePath, char2fluentEmojiFilePath } from '@/scripts/emoji-base';
 import { defaultStore } from '@/store';
-import { instance } from '@/instance';
 import { getEmojiName } from '@/scripts/emojilist';
 
 const props = defineProps<{
 	emoji: string;
 	normal?: boolean;
 	noStyle?: boolean;
-	customEmojis?: CustomEmoji[];
 	isReaction?: boolean;
 }>();
 
 const char2path = defaultStore.state.emojiStyle === 'twemoji' ? char2twemojiFilePath : char2fluentEmojiFilePath;
 
 const isCustom = computed(() => props.emoji.startsWith(':'));
+const customEmojiName = props.emoji.substr(1, props.emoji.length - 2);
 const char = computed(() => isCustom.value ? undefined : props.emoji);
 const useOsNativeEmojis = computed(() => defaultStore.state.emojiStyle === 'native' && !props.isReaction);
-const ce = computed(() => props.customEmojis ?? instance.emojis ?? []);
-const customEmoji = computed(() => isCustom.value ? ce.value.find(x => x.name === props.emoji.substr(1, props.emoji.length - 2)) : undefined);
 const url = computed(() => {
 	if (char.value) {
 		return char2path(char.value);
 	} else {
-		const rawUrl = (customEmoji.value as CustomEmoji).url;
+		const rawUrl = '/emoji/' + customEmojiName + '.webp';
 		return defaultStore.state.disableShowingAnimatedImages
 			? getStaticImageUrl(rawUrl)
 			: rawUrl;
 	}
 });
-const alt = computed(() => customEmoji.value ? `:${customEmoji.value.name}:` : char.value);
+const alt = computed(() => isCustom.value ? `:${customEmojiName}:` : char.value);
 
 // Searching from an array with 2000 items for every emoji felt like too energy-consuming, so I decided to do it lazily on pointerenter
 function computeTitle(event: PointerEvent): void {
-	const title = customEmoji.value
-		? `:${customEmoji.value.name}:`
+	const title = isCustom.value
+		? `:${customEmojiName}:`
 		: (getEmojiName(char.value as string) ?? char.value as string);
 	(event.target as HTMLElement).title = title;
 }
diff --git a/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.vue b/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.vue
index 70d0108e9f..7b2ae03f59 100644
--- a/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.vue
+++ b/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.vue
@@ -1,5 +1,5 @@
 <template>
-<MfmCore :text="text" :plain="plain" :nowrap="nowrap" :author="author" :customEmojis="customEmojis" :isNote="isNote" class="havbbuyv" :class="{ nowrap }"/>
+<MfmCore :text="text" :plain="plain" :nowrap="nowrap" :author="author" :is-note="isNote" class="havbbuyv" :class="{ nowrap }"/>
 </template>
 
 <script lang="ts" setup>
@@ -11,7 +11,6 @@ const props = withDefaults(defineProps<{
 	plain?: boolean;
 	nowrap?: boolean;
 	author?: any;
-	customEmojis?: any;
 	isNote?: boolean;
 }>(), {
 	plain: false,
diff --git a/packages/frontend/src/components/global/MkUserName.vue b/packages/frontend/src/components/global/MkUserName.vue
index 090de3df30..c5fc61a182 100644
--- a/packages/frontend/src/components/global/MkUserName.vue
+++ b/packages/frontend/src/components/global/MkUserName.vue
@@ -1,5 +1,5 @@
 <template>
-<Mfm :text="user.name || user.username" :plain="true" :nowrap="nowrap" :custom-emojis="user.emojis"/>
+<Mfm :text="user.name || user.username" :plain="true" :nowrap="nowrap"/>
 </template>
 
 <script lang="ts" setup>
diff --git a/packages/frontend/src/components/mfm.ts b/packages/frontend/src/components/mfm.ts
index 5b5b1caae3..c077d84441 100644
--- a/packages/frontend/src/components/mfm.ts
+++ b/packages/frontend/src/components/mfm.ts
@@ -35,9 +35,6 @@ export default defineComponent({
 			type: Object,
 			default: null,
 		},
-		customEmojis: {
-			required: false,
-		},
 		isNote: {
 			type: Boolean,
 			default: true,
@@ -275,7 +272,6 @@ export default defineComponent({
 					return [h(MkEmoji, {
 						key: Math.random(),
 						emoji: `:${token.props.name}:`,
-						customEmojis: this.customEmojis,
 						normal: this.plain,
 					})];
 				}
@@ -284,7 +280,6 @@ export default defineComponent({
 					return [h(MkEmoji, {
 						key: Math.random(),
 						emoji: token.props.emoji,
-						customEmojis: this.customEmojis,
 						normal: this.plain,
 					})];
 				}
diff --git a/packages/frontend/src/instance.ts b/packages/frontend/src/instance.ts
index 51464f32fb..c6fd1756a5 100644
--- a/packages/frontend/src/instance.ts
+++ b/packages/frontend/src/instance.ts
@@ -15,6 +15,7 @@ export const instance: Misskey.entities.InstanceMetadata = reactive(instanceData
 export async function fetchInstance() {
 	const meta = await api('meta', {
 		detail: false,
+		omitEmojiUrl: true,
 	});
 
 	for (const [k, v] of Object.entries(meta)) {
diff --git a/packages/frontend/src/pages/about-misskey.vue b/packages/frontend/src/pages/about-misskey.vue
index 3ec972bcda..6d241f1cbc 100644
--- a/packages/frontend/src/pages/about-misskey.vue
+++ b/packages/frontend/src/pages/about-misskey.vue
@@ -9,7 +9,7 @@
 					<img src="/client-assets/about-icon.png" alt="" class="icon" draggable="false" @load="iconLoaded" @click="gravity"/>
 					<div class="misskey">Misskey</div>
 					<div class="version">v{{ version }}</div>
-					<span v-for="emoji in easterEggEmojis" :key="emoji.id" class="emoji" :data-physics-x="emoji.left" :data-physics-y="emoji.top" :class="{ _physics_circle_: !emoji.emoji.startsWith(':') }"><MkEmoji class="emoji" :emoji="emoji.emoji" :custom-emojis="$instance.emojis" :is-reaction="false" :normal="true" :no-style="true"/></span>
+					<span v-for="emoji in easterEggEmojis" :key="emoji.id" class="emoji" :data-physics-x="emoji.left" :data-physics-y="emoji.top" :class="{ _physics_circle_: !emoji.emoji.startsWith(':') }"><MkEmoji class="emoji" :emoji="emoji.emoji" :is-reaction="false" :normal="true" :no-style="true"/></span>
 				</div>
 				<div class="_formBlock" style="text-align: center;">
 					{{ i18n.ts._aboutMisskey.about }}<br><a href="https://misskey-hub.net/docs/misskey.html" target="_blank" class="_link">{{ i18n.ts.learnMore }}</a>
diff --git a/packages/frontend/src/pages/follow-requests.vue b/packages/frontend/src/pages/follow-requests.vue
index b20679ccc1..b9d614b356 100644
--- a/packages/frontend/src/pages/follow-requests.vue
+++ b/packages/frontend/src/pages/follow-requests.vue
@@ -19,7 +19,7 @@
 								<p class="acct">@{{ acct(req.follower) }}</p>
 							</div>
 							<div v-if="req.follower.description" class="description" :title="req.follower.description">
-								<Mfm :text="req.follower.description" :is-note="false" :author="req.follower" :i="$i" :custom-emojis="req.follower.emojis" :plain="true" :nowrap="true"/>
+								<Mfm :text="req.follower.description" :is-note="false" :author="req.follower" :i="$i" :plain="true" :nowrap="true"/>
 							</div>
 							<div class="actions">
 								<button class="_button" @click="accept(req.follower)"><i class="ti ti-check"></i></button>
diff --git a/packages/frontend/src/pages/user/home.vue b/packages/frontend/src/pages/user/home.vue
index ce544890e1..55420ebb24 100644
--- a/packages/frontend/src/pages/user/home.vue
+++ b/packages/frontend/src/pages/user/home.vue
@@ -41,7 +41,7 @@
 						</div>
 					</div>
 					<div class="description">
-						<Mfm v-if="user.description" :text="user.description" :is-note="false" :author="user" :i="$i" :custom-emojis="user.emojis"/>
+						<Mfm v-if="user.description" :text="user.description" :is-note="false" :author="user" :i="$i"/>
 						<p v-else class="empty">{{ i18n.ts.noAccountDescription }}</p>
 					</div>
 					<div class="fields system">
@@ -61,10 +61,10 @@
 					<div v-if="user.fields.length > 0" class="fields">
 						<dl v-for="(field, i) in user.fields" :key="i" class="field">
 							<dt class="name">
-								<Mfm :text="field.name" :plain="true" :custom-emojis="user.emojis" :colored="false"/>
+								<Mfm :text="field.name" :plain="true" :colored="false"/>
 							</dt>
 							<dd class="value">
-								<Mfm :text="field.value" :author="user" :i="$i" :custom-emojis="user.emojis" :colored="false"/>
+								<Mfm :text="field.value" :author="user" :i="$i" :colored="false"/>
 							</dd>
 						</dl>
 					</div>
diff --git a/packages/frontend/src/pages/user/reactions.vue b/packages/frontend/src/pages/user/reactions.vue
index ab3df34301..bc4f39a74f 100644
--- a/packages/frontend/src/pages/user/reactions.vue
+++ b/packages/frontend/src/pages/user/reactions.vue
@@ -4,7 +4,7 @@
 		<div v-for="item in items" :key="item.id" :to="`/clips/${item.id}`" class="item _panel _gap afdcfbfb">
 			<div class="header">
 				<MkAvatar class="avatar" :user="user"/>
-				<MkReactionIcon class="reaction" :reaction="item.type" :custom-emojis="item.note.emojis" :no-style="true"/>
+				<MkReactionIcon class="reaction" :reaction="item.type" :no-style="true"/>
 				<MkTime :time="item.createdAt" class="createdAt"/>
 			</div>
 			<MkNote :key="item.id" :note="item.note"/>
diff --git a/packages/frontend/src/pages/welcome.timeline.vue b/packages/frontend/src/pages/welcome.timeline.vue
index d6a88540d1..5c83057139 100644
--- a/packages/frontend/src/pages/welcome.timeline.vue
+++ b/packages/frontend/src/pages/welcome.timeline.vue
@@ -5,7 +5,7 @@
 			<div class="content _panel">
 				<div class="body">
 					<MkA v-if="note.replyId" class="reply" :to="`/notes/${note.replyId}`"><i class="ti ti-arrow-back-up"></i></MkA>
-					<Mfm v-if="note.text" :text="note.text" :author="note.user" :i="$i" :custom-emojis="note.emojis"/>
+					<Mfm v-if="note.text" :text="note.text" :author="note.user" :i="$i"/>
 					<MkA v-if="note.renoteId" class="rp" :to="`/notes/${note.renoteId}`">RN: ...</MkA>
 				</div>
 				<div v-if="note.files.length > 0" class="richcontent">
diff --git a/packages/frontend/src/ui/_common_/statusbar-user-list.vue b/packages/frontend/src/ui/_common_/statusbar-user-list.vue
index f4d989c387..cbed11ec61 100644
--- a/packages/frontend/src/ui/_common_/statusbar-user-list.vue
+++ b/packages/frontend/src/ui/_common_/statusbar-user-list.vue
@@ -6,7 +6,7 @@
 				<span v-for="note in notes" :key="note.id" class="item">
 					<img class="avatar" :src="note.user.avatarUrl" decoding="async"/>
 					<MkA class="text" :to="notePage(note)">
-						<Mfm class="text" :text="getNoteSummary(note)" :plain="true" :nowrap="true" :custom-emojis="note.emojis"/>
+						<Mfm class="text" :text="getNoteSummary(note)" :plain="true" :nowrap="true"/>
 					</MkA>
 					<span class="divider"></span>
 				</span>