diff --git a/.eslintrc.js b/.eslintrc.js
index c6ea09b46..eb674c08a 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -12,7 +12,7 @@ module.exports = {
 		'plugin:import/typescript'
 	],
 	rules: {
-		'indent': ['error', 'tab', {
+		'indent': ['warn', 'tab', {
 			'SwitchCase': 1,
 			'MemberExpression': 'off',
 			'flatTernaryExpressions': true,
@@ -29,11 +29,14 @@ module.exports = {
 		'no-multi-spaces': ['error'],
 		'no-var': ['error'],
 		'prefer-arrow-callback': ['error'],
-		'no-throw-literal': ['error'],
+		'no-throw-literal': ['warn'],
 		'no-param-reassign': ['warn'],
 		'no-constant-condition': ['warn'],
 		'no-empty-pattern': ['warn'],
+		'no-async-promise-executor': ['off'],
 		'@typescript-eslint/no-inferrable-types': ['warn'],
+		'@typescript-eslint/no-empty-function': ['off'],
+		'@typescript-eslint/no-non-null-assertion': ['off'],
 		'import/no-unresolved': ['off'],
 		'import/no-default-export': ['warn'],
 	},
diff --git a/src/remote/activitypub/models/question.ts b/src/remote/activitypub/models/question.ts
index 79f93c3a3..eee94022a 100644
--- a/src/remote/activitypub/models/question.ts
+++ b/src/remote/activitypub/models/question.ts
@@ -1,6 +1,6 @@
 import config from '@/config/index';
 import Resolver from '../resolver';
-import { IObject, IQuestion, isQuestion,  } from '../type';
+import { IObject, IQuestion, isQuestion, } from '../type';
 import { apLogger } from '../logger';
 import { Notes, Polls } from '@/models/index';
 import { IPoll } from '@/models/entities/poll';
@@ -40,7 +40,7 @@ export async function extractPollFromQuestion(source: string | IObject, resolver
  * @param uri URI of AP Question object
  * @returns true if updated
  */
-export async function updateQuestion(value: any) {
+export async function updateQuestion(value: string | IObject): Promise<boolean> {
 	const uri = typeof value === 'string' ? value : value.id;
 
 	// URIがこのサーバーを指しているならスキップ
diff --git a/src/server/web/feed.ts b/src/server/web/feed.ts
index 4b6de517b..7795f5b34 100644
--- a/src/server/web/feed.ts
+++ b/src/server/web/feed.ts
@@ -4,7 +4,8 @@ import { User } from '@/models/entities/user';
 import { Notes, DriveFiles, UserProfiles } from '@/models/index';
 import { In } from 'typeorm';
 
-export default async function(user: User) {
+// eslint-disable-next-line import/no-default-export
+export default async function(user: User): Promise<Feed> {
 	const author = {
 		link: `${config.url}/@${user.username}`,
 		name: user.name || user.username