diff --git a/packages/backend/src/core/NoteReadService.ts b/packages/backend/src/core/NoteReadService.ts
index 82825b8b1..f4395725d 100644
--- a/packages/backend/src/core/NoteReadService.ts
+++ b/packages/backend/src/core/NoteReadService.ts
@@ -9,9 +9,9 @@ import { IdService } from '@/core/IdService.js';
 import { GlobalEventService } from '@/core/GlobalEventService.js';
 import type { UsersRepository, NoteUnreadsRepository, MutingsRepository, NoteThreadMutingsRepository, FollowingsRepository, ChannelFollowingsRepository, AntennaNotesRepository } from '@/models/index.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
+import { bindThis } from '@/decorators.js';
 import { NotificationService } from './NotificationService.js';
 import { AntennaService } from './AntennaService.js';
-import { bindThis } from '@/decorators.js';
 import { PushNotificationService } from './PushNotificationService.js';
 
 @Injectable()
@@ -107,12 +107,6 @@ export class NoteReadService {
 			followingChannels: Set<Channel['id']>;
 		},
 	): Promise<void> {
-		const following = info?.following ? info.following : new Set<string>((await this.followingsRepository.find({
-			where: {
-				followerId: userId,
-			},
-			select: ['followeeId'],
-		})).map(x => x.followeeId));
 		const followingChannels = info?.followingChannels ? info.followingChannels : new Set<string>((await this.channelFollowingsRepository.find({
 			where: {
 				followerId: userId,
@@ -139,7 +133,7 @@ export class NoteReadService {
 	
 			if (note.user != null) { // たぶんnullになることは無いはずだけど一応
 				for (const antenna of myAntennas) {
-					if (await this.antennaService.checkHitAntenna(antenna, note, note.user, undefined, Array.from(following))) {
+					if (await this.antennaService.checkHitAntenna(antenna, note, note.user)) {
 						readAntennaNotes.push(note);
 					}
 				}
diff --git a/packages/backend/src/misc/extract-custom-emojis-from-mfm.ts b/packages/backend/src/misc/extract-custom-emojis-from-mfm.ts
index 8fb3f4b19..14c25922a 100644
--- a/packages/backend/src/misc/extract-custom-emojis-from-mfm.ts
+++ b/packages/backend/src/misc/extract-custom-emojis-from-mfm.ts
@@ -4,7 +4,7 @@ import { unique } from '@/misc/prelude/array.js';
 export function extractCustomEmojisFromMfm(nodes: mfm.MfmNode[]): string[] {
 	const emojiNodes = mfm.extract(nodes, (node) => {
 		return (node.type === 'emojiCode' && node.props.name.length <= 100);
-	});
+	}) as mfm.MfmEmojiCode[];
 
 	return unique(emojiNodes.map(x => x.props.name));
 }
diff --git a/packages/backend/src/misc/extract-hashtags.ts b/packages/backend/src/misc/extract-hashtags.ts
index f8cabda3d..d293fd7f5 100644
--- a/packages/backend/src/misc/extract-hashtags.ts
+++ b/packages/backend/src/misc/extract-hashtags.ts
@@ -2,7 +2,7 @@ import * as mfm from 'mfm-js';
 import { unique } from '@/misc/prelude/array.js';
 
 export function extractHashtags(nodes: mfm.MfmNode[]): string[] {
-	const hashtagNodes = mfm.extract(nodes, (node) => node.type === 'hashtag');
+	const hashtagNodes = mfm.extract(nodes, (node) => node.type === 'hashtag') as mfm.MfmHashtag[];
 	const hashtags = unique(hashtagNodes.map(x => x.props.hashtag));
 
 	return hashtags;
diff --git a/packages/backend/src/server/api/integration/DiscordServerService.ts b/packages/backend/src/server/api/integration/DiscordServerService.ts
index 0ac273381..cbced901e 100644
--- a/packages/backend/src/server/api/integration/DiscordServerService.ts
+++ b/packages/backend/src/server/api/integration/DiscordServerService.ts
@@ -134,7 +134,7 @@ export class DiscordServerService {
 			reply.redirect(oauth2!.getAuthorizeUrl(params));
 		});
 
-		fastify.get('/dc/cb', async (request, reply) => {
+		fastify.get<{ Querystring: { code: string; state: string; } }>('/dc/cb', async (request, reply) => {
 			const userToken = this.getUserToken(request);
 
 			const oauth2 = await getOAuth2();
diff --git a/packages/backend/src/server/api/integration/GithubServerService.ts b/packages/backend/src/server/api/integration/GithubServerService.ts
index a8c745d2d..76089c935 100644
--- a/packages/backend/src/server/api/integration/GithubServerService.ts
+++ b/packages/backend/src/server/api/integration/GithubServerService.ts
@@ -132,7 +132,7 @@ export class GithubServerService {
 			reply.redirect(oauth2!.getAuthorizeUrl(params));
 		});
 
-		fastify.get('/gh/cb', async (request, reply) => {
+		fastify.get<{ Querystring: { code: string; state: string; } }>('/gh/cb', async (request, reply) => {
 			const userToken = this.getUserToken(request);
 
 			const oauth2 = await getOath2();