diff --git a/packages/backend/src/misc/check-word-mute.ts b/packages/backend/src/misc/check-word-mute.ts
index 015a368dfd..d7662820af 100644
--- a/packages/backend/src/misc/check-word-mute.ts
+++ b/packages/backend/src/misc/check-word-mute.ts
@@ -18,7 +18,7 @@ export async function checkWordMute(note: NoteLike, me: UserLike | null | undefi
 	if (mutedWords.length > 0) {
 		const text = ((note.cw ?? '') + '\n' + (note.text ?? '')).trim();
 
-		if (text == '') return false;
+		if (text === '') return false;
 
 		const matched = mutedWords.some(filter => {
 			if (Array.isArray(filter)) {
diff --git a/packages/backend/src/remote/activitypub/type.ts b/packages/backend/src/remote/activitypub/type.ts
index 5d00481b75..de7eb0ed83 100644
--- a/packages/backend/src/remote/activitypub/type.ts
+++ b/packages/backend/src/remote/activitypub/type.ts
@@ -201,7 +201,7 @@ export interface IApMention extends IObject {
 	href: string;
 }
 
-export const isMention = (object: IObject): object is IApMention=>
+export const isMention = (object: IObject): object is IApMention =>
 	getApType(object) === 'Mention' &&
 	typeof object.href === 'string';
 
diff --git a/packages/backend/src/server/api/define.ts b/packages/backend/src/server/api/define.ts
index 1529894341..47dcb44ea8 100644
--- a/packages/backend/src/server/api/define.ts
+++ b/packages/backend/src/server/api/define.ts
@@ -21,7 +21,6 @@ ajv.addFormat('misskey:id', /^[a-zA-Z0-9]+$/);
 
 export default function <T extends IEndpointMeta, Ps extends Schema>(meta: T, paramDef: Ps, cb: executor<T, Ps>)
 		: (params: any, user: T['requireCredential'] extends true ? CacheableLocalUser : CacheableLocalUser | null, token: AccessToken | null, file?: any) => Promise<any> {
-
 	const validate = ajv.compile(paramDef);
 
 	return (params: any, user: T['requireCredential'] extends true ? CacheableLocalUser : CacheableLocalUser | null, token: AccessToken | null, file?: any) => {
diff --git a/packages/backend/src/services/note/polls/update.ts b/packages/backend/src/services/note/polls/update.ts
index 43ca3eff4d..68cbb9835a 100644
--- a/packages/backend/src/services/note/polls/update.ts
+++ b/packages/backend/src/services/note/polls/update.ts
@@ -14,7 +14,6 @@ export async function deliverQuestionUpdate(noteId: Note['id']) {
 	if (user == null) throw new Error('note not found');
 
 	if (Users.isLocalUser(user)) {
-
 		const content = renderActivity(renderUpdate(await renderNote(note, false), user));
 		deliverToFollowers(user, content);
 		deliverToRelays(user, content);
diff --git a/packages/client/src/scripts/check-word-mute.ts b/packages/client/src/scripts/check-word-mute.ts
index aafdd8920a..35d40a6e08 100644
--- a/packages/client/src/scripts/check-word-mute.ts
+++ b/packages/client/src/scripts/check-word-mute.ts
@@ -5,7 +5,7 @@ export function checkWordMute(note: Record<string, any>, me: Record<string, any>
 	if (mutedWords.length > 0) {
 		const text = ((note.cw ?? '') + '\n' + (note.text ?? '')).trim();
 
-		if (text == '') return false;
+		if (text === '') return false;
 
 		const matched = mutedWords.some(filter => {
 			if (Array.isArray(filter)) {