diff --git a/src/lib/web/note/actions.ts b/src/lib/web/note/actions.ts
index 7d90fe196..a1f3bfa11 100644
--- a/src/lib/web/note/actions.ts
+++ b/src/lib/web/note/actions.ts
@@ -1,4 +1,4 @@
-import { Response } from 'express'
+import { Request, Response } from 'express'
 
 import { Note, Revision } from '../../models'
 import { logger } from '../../logger'
@@ -8,7 +8,7 @@ import shortId from 'shortid'
 import moment from 'moment'
 import querystring from 'querystring'
 
-export function getInfo (req: any, res: Response, note: Note): void {
+export function getInfo (req: Request, res: Response, note: Note): void {
   const body = note.content
   const extracted = Note.extractMeta(body)
   const markdown = extracted.markdown
@@ -31,7 +31,7 @@ export function getInfo (req: any, res: Response, note: Note): void {
   res.send(data)
 }
 
-export function createGist (req: any, res: Response, note: Note): void {
+export function createGist (req: Request, res: Response, note: Note): void {
   const data = {
     // eslint-disable-next-line @typescript-eslint/camelcase
     client_id: config.github.clientID,
@@ -44,7 +44,7 @@ export function createGist (req: any, res: Response, note: Note): void {
   res.redirect('https://github.com/login/oauth/authorize?' + query)
 }
 
-export function getRevision (req: any, res: Response, note: Note): void {
+export function getRevision (req: Request, res: Response, note: Note): void {
   const actionId = req.params.actionId
   if (actionId) {
     const time = moment(parseInt(actionId))
diff --git a/src/lib/web/note/controller.ts b/src/lib/web/note/controller.ts
index 79711af85..55de8943a 100644
--- a/src/lib/web/note/controller.ts
+++ b/src/lib/web/note/controller.ts
@@ -1,4 +1,4 @@
-import { NextFunction, Request, Response } from 'express'
+import { Request, Response } from 'express'
 import { config } from '../../config'
 import { errors } from '../../errors'
 import { logger } from '../../logger'
@@ -6,7 +6,7 @@ import { Note, User } from '../../models'
 import * as ActionController from './actions'
 import * as NoteUtils from './util'
 
-export function publishNoteActions (req: any, res: Response, next: NextFunction) {
+export function publishNoteActions (req: Request, res: Response): void {
   NoteUtils.findNoteOrCreate(req, res, function (note) {
     const action = req.params.action
     switch (action) {
@@ -23,7 +23,7 @@ export function publishNoteActions (req: any, res: Response, next: NextFunction)
   })
 }
 
-export function showPublishNote (req: any, res: Response, next: NextFunction) {
+export function showPublishNote (req: Request, res: Response): void {
   const include = [{
     model: User,
     as: 'owner'
@@ -51,10 +51,10 @@ export function showPublishNote (req: any, res: Response, next: NextFunction) {
       logger.error(err)
       return errors.errorInternalError(res)
     })
-  }, include)
+  })
 }
 
-export function showNote (req: any, res: Response, next: NextFunction) {
+export function showNote (req: Request, res: Response): void {
   NoteUtils.findNoteOrCreate(req, res, function (note) {
     // force to use note id
     const noteId = req.params.noteId
@@ -79,7 +79,7 @@ export function showNote (req: any, res: Response, next: NextFunction) {
   })
 }
 
-export function createFromPOST (req: any, res: Response, next: NextFunction) {
+export function createFromPOST (req: Request, res: Response): void {
   let body = ''
   if (req.body && req.body.length > config.documentMaxLength) {
     return errors.errorTooLong(res)
@@ -90,7 +90,7 @@ export function createFromPOST (req: any, res: Response, next: NextFunction) {
   return NoteUtils.newNote(req, res, body)
 }
 
-export function doAction (req: any, res: Response, next: NextFunction) {
+export function doAction (req: Request, res: Response): void {
   const noteId = req.params.noteId
   NoteUtils.findNoteOrCreate(req, res, (note) => {
     const action = req.params.action
@@ -121,7 +121,7 @@ export function doAction (req: any, res: Response, next: NextFunction) {
   })
 }
 
-export function downloadMarkdown (req: Request, res: Response, note: any) {
+export function downloadMarkdown (req: Request, res: Response, note): void {
   const body = note.content
   let filename = Note.decodeTitle(note.title)
   filename = encodeURIComponent(filename)
diff --git a/src/lib/web/note/slide.ts b/src/lib/web/note/slide.ts
index 5008295f1..850c00f08 100644
--- a/src/lib/web/note/slide.ts
+++ b/src/lib/web/note/slide.ts
@@ -5,7 +5,7 @@ import { logger } from '../../logger'
 import { Note, User } from '../../models'
 import * as NoteUtils from './util'
 
-export function publishSlideActions (req: any, res: Response, next: NextFunction) {
+export function publishSlideActions (req: any, res: Response) {
   NoteUtils.findNoteOrCreate(req, res, function (note) {
     const action = req.params.action
     if (action === 'edit') {
@@ -16,7 +16,7 @@ export function publishSlideActions (req: any, res: Response, next: NextFunction
   })
 }
 
-export function showPublishSlide (req: any, res: Response, next: NextFunction) {
+export function showPublishSlide (req: any, res: Response) {
   const include = [{
     model: User,
     as: 'owner'
@@ -44,5 +44,5 @@ export function showPublishSlide (req: any, res: Response, next: NextFunction) {
       logger.error(err)
       return errors.errorInternalError(res)
     })
-  }, include)
+  })
 }
diff --git a/src/lib/web/note/util.ts b/src/lib/web/note/util.ts
index e26d3235e..7c367fd74 100644
--- a/src/lib/web/note/util.ts
+++ b/src/lib/web/note/util.ts
@@ -1,4 +1,4 @@
-import { Response } from 'express'
+import { Request, Response } from 'express'
 import fs from 'fs'
 
 import path from 'path'
@@ -8,7 +8,7 @@ import { errors } from '../../errors'
 import { logger } from '../../logger'
 import { Note, User } from '../../models'
 
-export function newNote (req: any, res: Response, body: string | null) {
+export function newNote (req, res: Response, body: string | null): void {
   let owner = null
   const noteId = req.params.noteId ? req.params.noteId : null
   if (req.isAuthenticated()) {
@@ -33,7 +33,7 @@ export function newNote (req: any, res: Response, body: string | null) {
   })
 }
 
-export function checkViewPermission (req: any, note: any) {
+export function checkViewPermission (req, note: any): boolean {
   if (note.permission === 'private') {
     return req.isAuthenticated() && note.ownerId === req.user.id
   } else if (note.permission === 'limited' || note.permission === 'protected') {
@@ -43,7 +43,7 @@ export function checkViewPermission (req: any, note: any) {
   }
 }
 
-export function findNoteOrCreate (req, res, callback: (note: any) => void, include?: Includeable[]) {
+export function findNoteOrCreate (req: Request, res: Response, callback: (note: Note) => void): void {
   const id = req.params.noteId || req.params.shortid
   Note.parseNoteId(id, function (err, _id) {
     if (err) {
@@ -70,14 +70,14 @@ export function findNoteOrCreate (req, res, callback: (note: any) => void, inclu
   })
 }
 
-function isRevealTheme (theme: string) {
+function isRevealTheme (theme: string): string | undefined {
   if (fs.existsSync(path.join(__dirname, '..', '..', '..', '..', 'public', 'build', 'reveal.js', 'css', 'theme', theme + '.css'))) {
     return theme
   }
   return undefined
 }
 
-export function getPublishData (req: any, res: Response, note: any, callback: (data: any) => void) {
+export function getPublishData (req: Request, res: Response, note, callback: (data) => void): void {
   const body = note.content
   const extracted = Note.extractMeta(body)
   const markdown = extracted.markdown