diff --git a/packages/backend/src/server/api/stream/channels/bubble-timeline.ts b/packages/backend/src/server/api/stream/channels/bubble-timeline.ts
index 2d85d65ba5..01be2d2089 100644
--- a/packages/backend/src/server/api/stream/channels/bubble-timeline.ts
+++ b/packages/backend/src/server/api/stream/channels/bubble-timeline.ts
@@ -4,15 +4,13 @@
  */
 
 import { Injectable } from '@nestjs/common';
-import { checkWordMute } from '@/misc/check-word-mute.js';
-import { isInstanceMuted } from '@/misc/is-instance-muted.js';
-import { isUserRelated } from '@/misc/is-user-related.js';
 import type { Packed } from '@/misc/json-schema.js';
 import { MetaService } from '@/core/MetaService.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { bindThis } from '@/decorators.js';
 import { RoleService } from '@/core/RoleService.js';
 import type { MiMeta } from '@/models/Meta.js';
+import { isRenotePacked, isQuotePacked } from '@/misc/is-renote.js';
 import Channel, { MiChannelService } from '../channel.js';
 
 class BubbleTimelineChannel extends Channel {
@@ -54,36 +52,18 @@ class BubbleTimelineChannel extends Channel {
 	private async onNote(note: Packed<'Note'>) {
 		if (this.withFiles && (note.fileIds == null || note.fileIds.length === 0)) return;
 		if (!this.withBots && note.user.isBot) return;
-		
+
 		if (!(note.user.host != null && this.instance.bubbleInstances.includes(note.user.host) && note.visibility === 'public' )) return;
 
 		if (note.channelId != null) return;
 
-		// 関係ない返信は除外
-		if (note.reply && !this.following[note.userId]?.withReplies) {
-			const reply = note.reply;
-			// 「チャンネル接続主への返信」でもなければ、「チャンネル接続主が行った返信」でもなければ、「投稿者の投稿者自身への返信」でもない場合
-			if (reply.userId !== this.user!.id && note.userId !== this.user!.id && reply.userId !== note.userId) return;
-		}
+		if (isRenotePacked(note) && !isQuotePacked(note) && !this.withRenotes) return;
 
 		if (note.user.isSilenced && !this.following[note.userId] && note.userId !== this.user!.id) return;
 
-		if (note.renote && note.text == null && (note.fileIds == null || note.fileIds.length === 0) && !this.withRenotes) return;
+		if (this.isNoteMutedOrBlocked(note)) return;
 
-		// Ignore notes from instances the user has muted
-		if (isInstanceMuted(note, new Set<string>(this.userProfile?.mutedInstances ?? [])) && !this.following[note.userId]) return;
-
-		// 流れてきたNoteがミュートしているユーザーが関わるものだったら無視する
-		if (isUserRelated(note, this.userIdsWhoMeMuting)) return;
-		// 流れてきたNoteがブロックされているユーザーが関わるものだったら無視する
-		if (isUserRelated(note, this.userIdsWhoBlockingMe)) return;
-
-		if (note.renote && !note.text && note.renote.mentions?.some(mention => this.userIdsWhoMeMuting.has(mention))) return;
-		if (note.mentions?.some(mention => this.userIdsWhoMeMuting.has(mention))) return;
-
-		if (note.renote && !note.text && isUserRelated(note, this.userIdsWhoMeMutingRenotes)) return;
-
-		if (this.user && note.renoteId && !note.text) {
+		if (this.user && isRenotePacked(note) && !isQuotePacked(note)) {
 			if (note.renote && Object.keys(note.renote.reactions).length > 0) {
 				const myRenoteReaction = await this.noteEntityService.populateMyReaction(note.renote, this.user.id);
 				note.renote.myReaction = myRenoteReaction;