4 files changed, 4 insertions, 5 deletions
diff --git a/src/server/api/endpoints/hashtags/search.ts b/src/server/api/endpoints/hashtags/search.ts
index 4d753808d4..d8a2156357 100644
--- a/src/server/api/endpoints/hashtags/search.ts
+++ b/src/server/api/endpoints/hashtags/search.ts
@@ -1,7 +1,7 @@
 import $ from 'cafy';
 import Hashtag from '../../../../models/hashtag';
 import define from '../../define';
-const escapeRegexp = require('escape-regexp');
+import * as escapeRegexp from 'escape-regexp';
 
 export const meta = {
 	desc: {
diff --git a/src/server/api/endpoints/i/update.ts b/src/server/api/endpoints/i/update.ts
index 4b02e393bf..d087687a51 100644
--- a/src/server/api/endpoints/i/update.ts
+++ b/src/server/api/endpoints/i/update.ts
@@ -9,7 +9,7 @@ import getDriveFileUrl from '../../../../misc/get-drive-file-url';
 import { parse, parsePlain } from '../../../../mfm/parse';
 import extractEmojis from '../../../../misc/extract-emojis';
 import extractHashtags from '../../../../misc/extract-hashtags';
-const langmap = require('langmap');
+import * as langmap from 'langmap';
 
 export const meta = {
 	desc: {
diff --git a/src/server/api/endpoints/users/search.ts b/src/server/api/endpoints/users/search.ts
index 86b16dcbb1..b0a789c7d5 100644
--- a/src/server/api/endpoints/users/search.ts
+++ b/src/server/api/endpoints/users/search.ts
@@ -1,5 +1,5 @@
 import $ from 'cafy';
-const escapeRegexp = require('escape-regexp');
+import * as escapeRegexp from 'escape-regexp';
 import User, { pack, validateUsername, IUser } from '../../../../models/user';
 import define from '../../define';
 
diff --git a/src/server/api/private/signup.ts b/src/server/api/private/signup.ts
index b89629bcd1..6318eabdb8 100644
--- a/src/server/api/private/signup.ts
+++ b/src/server/api/private/signup.ts
@@ -8,14 +8,13 @@ import Meta from '../../../models/meta';
 import RegistrationTicket from '../../../models/registration-tickets';
 import usersChart from '../../../chart/users';
 import fetchMeta from '../../../misc/fetch-meta';
+import * as recaptcha from 'recaptcha-promise';
 
 export default async (ctx: Koa.BaseContext) => {
 	const body = ctx.request.body as any;
 
 	const instance = await fetchMeta();
 
-	const recaptcha = require('recaptcha-promise');
-
 	// Verify recaptcha
 	// ただしテスト時はこの機構は障害となるため無効にする
 	if (process.env.NODE_ENV !== 'test' && instance.enableRecaptcha) {