45 files changed, 270 insertions, 234 deletions

diff --git a/server/controllers/activitypub/client.ts b/server/controllers/activitypub/client.ts
index cc2671fc1..e06aa35f4 100644
--- a/server/controllers/activitypub/client.ts
+++ b/server/controllers/activitypub/client.ts
@@ -169,27 +169,27 @@ export {
 // ---------------------------------------------------------------------------
 
 function accountController (req: express.Request, res: express.Response) {
-  const account: AccountModel = res.locals.account
+  const account = res.locals.account
 
   return activityPubResponse(activityPubContextify(account.toActivityPubObject()), res)
 }
 
 async function accountFollowersController (req: express.Request, res: express.Response) {
-  const account: AccountModel = res.locals.account
+  const account = res.locals.account
   const activityPubResult = await actorFollowers(req, account.Actor)
 
   return activityPubResponse(activityPubContextify(activityPubResult), res)
 }
 
 async function accountFollowingController (req: express.Request, res: express.Response) {
-  const account: AccountModel = res.locals.account
+  const account = res.locals.account
   const activityPubResult = await actorFollowing(req, account.Actor)
 
   return activityPubResponse(activityPubContextify(activityPubResult), res)
 }
 
 async function accountPlaylistsController (req: express.Request, res: express.Response) {
-  const account: AccountModel = res.locals.account
+  const account = res.locals.account
   const activityPubResult = await actorPlaylists(req, account)
 
   return activityPubResponse(activityPubContextify(activityPubResult), res)
@@ -197,7 +197,7 @@ async function accountPlaylistsController (req: express.Request, res: express.Re
 
 function getAccountVideoRate (rateType: VideoRateType) {
   return (req: express.Request, res: express.Response) => {
-    const accountVideoRate: AccountVideoRateModel = res.locals.accountVideoRate
+    const accountVideoRate = res.locals.accountVideoRate
 
     const byActor = accountVideoRate.Account.Actor
     const url = getRateUrl(rateType, byActor, accountVideoRate.Video)
@@ -211,7 +211,7 @@ function getAccountVideoRate (rateType: VideoRateType) {
 
 async function videoController (req: express.Request, res: express.Response) {
   // We need more attributes
-  const video: VideoModel = await VideoModel.loadForGetAPI(res.locals.video.id)
+  const video = await VideoModel.loadForGetAPI(res.locals.video.id)
 
   if (video.url.startsWith(CONFIG.WEBSERVER.URL) === false) return res.redirect(video.url)
 
@@ -230,7 +230,7 @@ async function videoController (req: express.Request, res: express.Response) {
 }
 
 async function videoAnnounceController (req: express.Request, res: express.Response) {
-  const share = res.locals.videoShare as VideoShareModel
+  const share = res.locals.videoShare
 
   if (share.url.startsWith(CONFIG.WEBSERVER.URL) === false) return res.redirect(share.url)
 
@@ -240,7 +240,7 @@ async function videoAnnounceController (req: express.Request, res: express.Respo
 }
 
 async function videoAnnouncesController (req: express.Request, res: express.Response) {
-  const video: VideoModel = res.locals.video
+  const video = res.locals.video
 
   const handler = async (start: number, count: number) => {
     const result = await VideoShareModel.listAndCountByVideoId(video.id, start, count)
@@ -255,21 +255,21 @@ async function videoAnnouncesController (req: express.Request, res: express.Resp
 }
 
 async function videoLikesController (req: express.Request, res: express.Response) {
-  const video: VideoModel = res.locals.video
+  const video = res.locals.video
   const json = await videoRates(req, 'like', video, getVideoLikesActivityPubUrl(video))
 
   return activityPubResponse(activityPubContextify(json), res)
 }
 
 async function videoDislikesController (req: express.Request, res: express.Response) {
-  const video: VideoModel = res.locals.video
+  const video = res.locals.video
   const json = await videoRates(req, 'dislike', video, getVideoDislikesActivityPubUrl(video))
 
   return activityPubResponse(activityPubContextify(json), res)
 }
 
 async function videoCommentsController (req: express.Request, res: express.Response) {
-  const video: VideoModel = res.locals.video
+  const video = res.locals.video
 
   const handler = async (start: number, count: number) => {
     const result = await VideoCommentModel.listAndCountByVideoId(video.id, start, count)
@@ -284,27 +284,27 @@ async function videoCommentsController (req: express.Request, res: express.Respo
 }
 
 async function videoChannelController (req: express.Request, res: express.Response) {
-  const videoChannel: VideoChannelModel = res.locals.videoChannel
+  const videoChannel = res.locals.videoChannel
 
   return activityPubResponse(activityPubContextify(videoChannel.toActivityPubObject()), res)
 }
 
 async function videoChannelFollowersController (req: express.Request, res: express.Response) {
-  const videoChannel: VideoChannelModel = res.locals.videoChannel
+  const videoChannel = res.locals.videoChannel
   const activityPubResult = await actorFollowers(req, videoChannel.Actor)
 
   return activityPubResponse(activityPubContextify(activityPubResult), res)
 }
 
 async function videoChannelFollowingController (req: express.Request, res: express.Response) {
-  const videoChannel: VideoChannelModel = res.locals.videoChannel
+  const videoChannel = res.locals.videoChannel
   const activityPubResult = await actorFollowing(req, videoChannel.Actor)
 
   return activityPubResponse(activityPubContextify(activityPubResult), res)
 }
 
 async function videoCommentController (req: express.Request, res: express.Response) {
-  const videoComment: VideoCommentModel = res.locals.videoComment
+  const videoComment = res.locals.videoComment
 
   if (videoComment.url.startsWith(CONFIG.WEBSERVER.URL) === false) return res.redirect(videoComment.url)
 
@@ -323,7 +323,7 @@ async function videoCommentController (req: express.Request, res: express.Respon
 }
 
 async function videoRedundancyController (req: express.Request, res: express.Response) {
-  const videoRedundancy: VideoRedundancyModel = res.locals.videoRedundancy
+  const videoRedundancy = res.locals.videoRedundancy
   if (videoRedundancy.url.startsWith(CONFIG.WEBSERVER.URL) === false) return res.redirect(videoRedundancy.url)
 
   const serverActor = await getServerActor()
@@ -340,7 +340,7 @@ async function videoRedundancyController (req: express.Request, res: express.Res
 }
 
 async function videoPlaylistController (req: express.Request, res: express.Response) {
-  const playlist: VideoPlaylistModel = res.locals.videoPlaylist
+  const playlist = res.locals.videoPlaylist
 
   // We need more attributes
   playlist.OwnerAccount = await AccountModel.load(playlist.ownerAccountId)
@@ -353,7 +353,7 @@ async function videoPlaylistController (req: express.Request, res: express.Respo
 }
 
 async function videoPlaylistElementController (req: express.Request, res: express.Response) {
-  const videoPlaylistElement: VideoPlaylistElementModel = res.locals.videoPlaylistElement
+  const videoPlaylistElement = res.locals.videoPlaylistElement
 
   const json = videoPlaylistElement.toActivityPubObject()
   return activityPubResponse(activityPubContextify(json), res)
diff --git a/server/controllers/activitypub/inbox.ts b/server/controllers/activitypub/inbox.ts
index f0e65015b..38d5c51df 100644
--- a/server/controllers/activitypub/inbox.ts
+++ b/server/controllers/activitypub/inbox.ts
@@ -5,8 +5,6 @@ import { logger } from '../../helpers/logger'
 import { processActivities } from '../../lib/activitypub/process/process'
 import { asyncMiddleware, checkSignature, localAccountValidator, localVideoChannelValidator, signatureValidator } from '../../middlewares'
 import { activityPubValidator } from '../../middlewares/validators/activitypub/activity'
-import { VideoChannelModel } from '../../models/video/video-channel'
-import { AccountModel } from '../../models/account/account'
 import { queue } from 'async'
 import { ActorModel } from '../../models/activitypub/actor'
 
@@ -66,12 +64,7 @@ function inboxController (req: express.Request, res: express.Response) {
   activities = activities.filter(a => isActivityValid(a))
   logger.debug('We keep %d activities.', activities.length, { activities })
 
-  let accountOrChannel: VideoChannelModel | AccountModel
-  if (res.locals.account) {
-    accountOrChannel = res.locals.account
-  } else if (res.locals.videoChannel) {
-    accountOrChannel = res.locals.videoChannel
-  }
+  const accountOrChannel = res.locals.account || res.locals.videoChannel
 
   logger.info('Receiving inbox requests for %d activities by %s.', activities.length, res.locals.signature.actor.url)
 
diff --git a/server/controllers/activitypub/outbox.ts b/server/controllers/activitypub/outbox.ts
index e060affb2..38b6ec976 100644
--- a/server/controllers/activitypub/outbox.ts
+++ b/server/controllers/activitypub/outbox.ts
@@ -33,7 +33,7 @@ export {
 // ---------------------------------------------------------------------------
 
 async function outboxController (req: express.Request, res: express.Response) {
-  const accountOrVideoChannel: AccountModel | VideoChannelModel = res.locals.account || res.locals.videoChannel
+  const accountOrVideoChannel = res.locals.account || res.locals.videoChannel
   const actor = accountOrVideoChannel.Actor
   const actorOutboxUrl = actor.url + '/outbox'
 
diff --git a/server/controllers/api/accounts.ts b/server/controllers/api/accounts.ts
index e24545de8..adbf69781 100644
--- a/server/controllers/api/accounts.ts
+++ b/server/controllers/api/accounts.ts
@@ -17,7 +17,6 @@ import { VideoChannelModel } from '../../models/video/video-channel'
 import { JobQueue } from '../../lib/job-queue'
 import { logger } from '../../helpers/logger'
 import { VideoPlaylistModel } from '../../models/video/video-playlist'
-import { UserModel } from '../../models/account/user'
 import { commonVideoPlaylistFiltersValidator } from '../../middlewares/validators/videos/video-playlists'
 
 const accountsRouter = express.Router()
@@ -71,7 +70,7 @@ export {
 // ---------------------------------------------------------------------------
 
 function getAccount (req: express.Request, res: express.Response) {
-  const account: AccountModel = res.locals.account
+  const account = res.locals.account
 
   if (account.isOutdated()) {
     JobQueue.Instance.createJob({ type: 'activitypub-refresher', payload: { type: 'actor', url: account.Actor.url } })
@@ -98,7 +97,7 @@ async function listAccountPlaylists (req: express.Request, res: express.Response
 
   // Allow users to see their private/unlisted video playlists
   let privateAndUnlisted = false
-  if (res.locals.oauth && (res.locals.oauth.token.User as UserModel).Account.id === res.locals.account.id) {
+  if (res.locals.oauth && res.locals.oauth.token.User.Account.id === res.locals.account.id) {
     privateAndUnlisted = true
   }
 
@@ -116,7 +115,7 @@ async function listAccountPlaylists (req: express.Request, res: express.Response
 }
 
 async function listAccountVideos (req: express.Request, res: express.Response) {
-  const account: AccountModel = res.locals.account
+  const account = res.locals.account
   const followerActorId = isUserAbleToSearchRemoteURI(res) ? null : undefined
 
   const resultList = await VideoModel.listForApi({
diff --git a/server/controllers/api/index.ts b/server/controllers/api/index.ts
index ed4b33dea..60a84036e 100644
--- a/server/controllers/api/index.ts
+++ b/server/controllers/api/index.ts
@@ -41,6 +41,6 @@ export { apiRouter }
 
 // ---------------------------------------------------------------------------
 
-function pong (req: express.Request, res: express.Response, next: express.NextFunction) {
+function pong (req: express.Request, res: express.Response) {
   return res.send('pong').status(200).end()
 }
diff --git a/server/controllers/api/server/follows.ts b/server/controllers/api/server/follows.ts
index 9fa6c34ba..99d211bfc 100644
--- a/server/controllers/api/server/follows.ts
+++ b/server/controllers/api/server/follows.ts
@@ -59,7 +59,7 @@ export {
 
 // ---------------------------------------------------------------------------
 
-async function listFollowing (req: express.Request, res: express.Response, next: express.NextFunction) {
+async function listFollowing (req: express.Request, res: express.Response) {
   const serverActor = await getServerActor()
   const resultList = await ActorFollowModel.listFollowingForApi(
     serverActor.id,
@@ -72,7 +72,7 @@ async function listFollowing (req: express.Request, res: express.Response, next:
   return res.json(getFormattedObjects(resultList.data, resultList.total))
 }
 
-async function listFollowers (req: express.Request, res: express.Response, next: express.NextFunction) {
+async function listFollowers (req: express.Request, res: express.Response) {
   const serverActor = await getServerActor()
   const resultList = await ActorFollowModel.listFollowersForApi(
     serverActor.id,
@@ -85,7 +85,7 @@ async function listFollowers (req: express.Request, res: express.Response, next:
   return res.json(getFormattedObjects(resultList.data, resultList.total))
 }
 
-async function followInstance (req: express.Request, res: express.Response, next: express.NextFunction) {
+async function followInstance (req: express.Request, res: express.Response) {
   const hosts = req.body.hosts as string[]
   const follower = await getServerActor()
 
@@ -103,8 +103,8 @@ async function followInstance (req: express.Request, res: express.Response, next
   return res.status(204).end()
 }
 
-async function removeFollow (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const follow: ActorFollowModel = res.locals.follow
+async function removeFollow (req: express.Request, res: express.Response) {
+  const follow = res.locals.follow
 
   await sequelizeTypescript.transaction(async t => {
     if (follow.state === 'accepted') await sendUndoFollow(follow, t)
diff --git a/server/controllers/api/server/redundancy.ts b/server/controllers/api/server/redundancy.ts
index 4140c4991..f8109070d 100644
--- a/server/controllers/api/server/redundancy.ts
+++ b/server/controllers/api/server/redundancy.ts
@@ -2,7 +2,6 @@ import * as express from 'express'
 import { UserRight } from '../../../../shared/models/users'
 import { asyncMiddleware, authenticate, ensureUserHasRight } from '../../../middlewares'
 import { updateServerRedundancyValidator } from '../../../middlewares/validators/redundancy'
-import { ServerModel } from '../../../models/server/server'
 import { removeRedundancyOf } from '../../../lib/redundancy'
 import { logger } from '../../../helpers/logger'
 
@@ -23,8 +22,8 @@ export {
 
 // ---------------------------------------------------------------------------
 
-async function updateRedundancy (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const server = res.locals.server as ServerModel
+async function updateRedundancy (req: express.Request, res: express.Response) {
+  const server = res.locals.server
 
   server.redundancyAllowed = req.body.redundancyAllowed
 
diff --git a/server/controllers/api/server/server-blocklist.ts b/server/controllers/api/server/server-blocklist.ts
index 3cb3a96e2..d165db191 100644
--- a/server/controllers/api/server/server-blocklist.ts
+++ b/server/controllers/api/server/server-blocklist.ts
@@ -18,11 +18,9 @@ import {
   unblockAccountByServerValidator,
   unblockServerByServerValidator
 } from '../../../middlewares/validators'
-import { AccountModel } from '../../../models/account/account'
 import { AccountBlocklistModel } from '../../../models/account/account-blocklist'
 import { addAccountInBlocklist, addServerInBlocklist, removeAccountFromBlocklist, removeServerFromBlocklist } from '../../../lib/blocklist'
 import { ServerBlocklistModel } from '../../../models/server/server-blocklist'
-import { ServerModel } from '../../../models/server/server'
 import { UserRight } from '../../../../shared/models/users'
 
 const serverBlocklistRouter = express.Router()
@@ -91,7 +89,7 @@ async function listBlockedAccounts (req: express.Request, res: express.Response)
 
 async function blockAccount (req: express.Request, res: express.Response) {
   const serverActor = await getServerActor()
-  const accountToBlock: AccountModel = res.locals.account
+  const accountToBlock = res.locals.account
 
   await addAccountInBlocklist(serverActor.Account.id, accountToBlock.id)
 
@@ -99,7 +97,7 @@ async function blockAccount (req: express.Request, res: express.Response) {
 }
 
 async function unblockAccount (req: express.Request, res: express.Response) {
-  const accountBlock: AccountBlocklistModel = res.locals.accountBlock
+  const accountBlock = res.locals.accountBlock
 
   await removeAccountFromBlocklist(accountBlock)
 
@@ -116,7 +114,7 @@ async function listBlockedServers (req: express.Request, res: express.Response)
 
 async function blockServer (req: express.Request, res: express.Response) {
   const serverActor = await getServerActor()
-  const serverToBlock: ServerModel = res.locals.server
+  const serverToBlock = res.locals.server
 
   await addServerInBlocklist(serverActor.Account.id, serverToBlock.id)
 
@@ -124,7 +122,7 @@ async function blockServer (req: express.Request, res: express.Response) {
 }
 
 async function unblockServer (req: express.Request, res: express.Response) {
-  const serverBlock: ServerBlocklistModel = res.locals.serverBlock
+  const serverBlock = res.locals.serverBlock
 
   await removeServerFromBlocklist(serverBlock)
 
diff --git a/server/controllers/api/users/index.ts b/server/controllers/api/users/index.ts
index f7edbddf3..2117bdfeb 100644
--- a/server/controllers/api/users/index.ts
+++ b/server/controllers/api/users/index.ts
@@ -221,8 +221,8 @@ async function registerUser (req: express.Request, res: express.Response) {
   return res.type('json').status(204).end()
 }
 
-async function unblockUser (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const user: UserModel = res.locals.user
+async function unblockUser (req: express.Request, res: express.Response) {
+  const user = res.locals.user
 
   await changeUserBlock(res, user, false)
 
@@ -230,7 +230,7 @@ async function unblockUser (req: express.Request, res: express.Response, next: e
 }
 
 async function blockUser (req: express.Request, res: express.Response) {
-  const user: UserModel = res.locals.user
+  const user = res.locals.user
   const reason = req.body.reason
 
   await changeUserBlock(res, user, true, reason)
@@ -239,7 +239,7 @@ async function blockUser (req: express.Request, res: express.Response) {
 }
 
 function getUser (req: express.Request, res: express.Response) {
-  return res.json((res.locals.user as UserModel).toFormattedJSON())
+  return res.json(res.locals.user.toFormattedJSON())
 }
 
 async function autocompleteUsers (req: express.Request, res: express.Response) {
@@ -255,7 +255,7 @@ async function listUsers (req: express.Request, res: express.Response) {
 }
 
 async function removeUser (req: express.Request, res: express.Response) {
-  const user: UserModel = res.locals.user
+  const user = res.locals.user
 
   await user.destroy()
 
@@ -266,7 +266,7 @@ async function removeUser (req: express.Request, res: express.Response) {
 
 async function updateUser (req: express.Request, res: express.Response) {
   const body: UserUpdate = req.body
-  const userToUpdate = res.locals.user as UserModel
+  const userToUpdate = res.locals.user
   const oldUserAuditView = new UserAuditView(userToUpdate.toFormattedJSON())
   const roleChanged = body.role !== undefined && body.role !== userToUpdate.role
 
@@ -289,8 +289,8 @@ async function updateUser (req: express.Request, res: express.Response) {
   return res.sendStatus(204)
 }
 
-async function askResetUserPassword (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const user = res.locals.user as UserModel
+async function askResetUserPassword (req: express.Request, res: express.Response) {
+  const user = res.locals.user
 
   const verificationString = await Redis.Instance.setResetPasswordVerificationString(user.id)
   const url = CONFIG.WEBSERVER.URL + '/reset-password?userId=' + user.id + '&verificationString=' + verificationString
@@ -299,8 +299,8 @@ async function askResetUserPassword (req: express.Request, res: express.Response
   return res.status(204).end()
 }
 
-async function resetUserPassword (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const user = res.locals.user as UserModel
+async function resetUserPassword (req: express.Request, res: express.Response) {
+  const user = res.locals.user
   user.password = req.body.password
 
   await user.save()
@@ -315,16 +315,16 @@ async function sendVerifyUserEmail (user: UserModel) {
   return
 }
 
-async function askSendVerifyUserEmail (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const user = res.locals.user as UserModel
+async function askSendVerifyUserEmail (req: express.Request, res: express.Response) {
+  const user = res.locals.user
 
   await sendVerifyUserEmail(user)
 
   return res.status(204).end()
 }
 
-async function verifyUserEmail (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const user = res.locals.user as UserModel
+async function verifyUserEmail (req: express.Request, res: express.Response) {
+  const user = res.locals.user
   user.emailVerified = true
 
   await user.save()
@@ -332,7 +332,7 @@ async function verifyUserEmail (req: express.Request, res: express.Response, nex
   return res.status(204).end()
 }
 
-function success (req: express.Request, res: express.Response, next: express.NextFunction) {
+function success (req: express.Request, res: express.Response) {
   res.end()
 }
 
diff --git a/server/controllers/api/users/me.ts b/server/controllers/api/users/me.ts
index d5e154869..3533499be 100644
--- a/server/controllers/api/users/me.ts
+++ b/server/controllers/api/users/me.ts
@@ -93,8 +93,8 @@ export {
 
 // ---------------------------------------------------------------------------
 
-async function getUserVideos (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const user = res.locals.oauth.token.User as UserModel
+async function getUserVideos (req: express.Request, res: express.Response) {
+  const user = res.locals.oauth.token.User
   const resultList = await VideoModel.listUserVideosForApi(
     user.Account.id,
     req.query.start as number,
@@ -111,8 +111,8 @@ async function getUserVideos (req: express.Request, res: express.Response, next:
   return res.json(getFormattedObjects(resultList.data, resultList.total, { additionalAttributes }))
 }
 
-async function getUserVideoImports (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const user = res.locals.oauth.token.User as UserModel
+async function getUserVideoImports (req: express.Request, res: express.Response) {
+  const user = res.locals.oauth.token.User
   const resultList = await VideoImportModel.listUserVideoImportsForApi(
     user.id,
     req.query.start as number,
@@ -123,14 +123,14 @@ async function getUserVideoImports (req: express.Request, res: express.Response,
   return res.json(getFormattedObjects(resultList.data, resultList.total))
 }
 
-async function getUserInformation (req: express.Request, res: express.Response, next: express.NextFunction) {
+async function getUserInformation (req: express.Request, res: express.Response) {
   // We did not load channels in res.locals.user
   const user = await UserModel.loadByUsernameAndPopulateChannels(res.locals.oauth.token.user.username)
 
   return res.json(user.toFormattedJSON())
 }
 
-async function getUserVideoQuotaUsed (req: express.Request, res: express.Response, next: express.NextFunction) {
+async function getUserVideoQuotaUsed (req: express.Request, res: express.Response) {
   // We did not load channels in res.locals.user
   const user = await UserModel.loadByUsernameAndPopulateChannels(res.locals.oauth.token.user.username)
   const videoQuotaUsed = await UserModel.getOriginalVideoFileTotalFromUser(user)
@@ -143,7 +143,7 @@ async function getUserVideoQuotaUsed (req: express.Request, res: express.Respons
   return res.json(data)
 }
 
-async function getUserVideoRating (req: express.Request, res: express.Response, next: express.NextFunction) {
+async function getUserVideoRating (req: express.Request, res: express.Response) {
   const videoId = res.locals.video.id
   const accountId = +res.locals.oauth.token.User.Account.id
 
@@ -158,7 +158,7 @@ async function getUserVideoRating (req: express.Request, res: express.Response,
 }
 
 async function deleteMe (req: express.Request, res: express.Response) {
-  const user: UserModel = res.locals.oauth.token.User
+  const user = res.locals.oauth.token.User
 
   await user.destroy()
 
@@ -170,7 +170,7 @@ async function deleteMe (req: express.Request, res: express.Response) {
 async function updateMe (req: express.Request, res: express.Response) {
   const body: UserUpdateMe = req.body
 
-  const user: UserModel = res.locals.oauth.token.user
+  const user = res.locals.oauth.token.user
   const oldUserAuditView = new UserAuditView(user.toFormattedJSON())
 
   if (body.password !== undefined) user.password = body.password
@@ -199,7 +199,7 @@ async function updateMe (req: express.Request, res: express.Response) {
 
 async function updateMyAvatar (req: express.Request, res: express.Response) {
   const avatarPhysicalFile = req.files[ 'avatarfile' ][ 0 ]
-  const user: UserModel = res.locals.oauth.token.user
+  const user = res.locals.oauth.token.user
   const oldUserAuditView = new UserAuditView(user.toFormattedJSON())
 
   const userAccount = await AccountModel.load(user.Account.id)
diff --git a/server/controllers/api/users/my-blocklist.ts b/server/controllers/api/users/my-blocklist.ts
index 9575eab46..481e75139 100644
--- a/server/controllers/api/users/my-blocklist.ts
+++ b/server/controllers/api/users/my-blocklist.ts
@@ -17,7 +17,6 @@ import {
   serversBlocklistSortValidator,
   unblockServerByAccountValidator
 } from '../../../middlewares/validators'
-import { UserModel } from '../../../models/account/user'
 import { AccountModel } from '../../../models/account/account'
 import { AccountBlocklistModel } from '../../../models/account/account-blocklist'
 import { addAccountInBlocklist, addServerInBlocklist, removeAccountFromBlocklist, removeServerFromBlocklist } from '../../../lib/blocklist'
@@ -75,7 +74,7 @@ export {
 // ---------------------------------------------------------------------------
 
 async function listBlockedAccounts (req: express.Request, res: express.Response) {
-  const user: UserModel = res.locals.oauth.token.User
+  const user = res.locals.oauth.token.User
 
   const resultList = await AccountBlocklistModel.listForApi(user.Account.id, req.query.start, req.query.count, req.query.sort)
 
@@ -83,8 +82,8 @@ async function listBlockedAccounts (req: express.Request, res: express.Response)
 }
 
 async function blockAccount (req: express.Request, res: express.Response) {
-  const user: UserModel = res.locals.oauth.token.User
-  const accountToBlock: AccountModel = res.locals.account
+  const user = res.locals.oauth.token.User
+  const accountToBlock  = res.locals.account
 
   await addAccountInBlocklist(user.Account.id, accountToBlock.id)
 
@@ -92,7 +91,7 @@ async function blockAccount (req: express.Request, res: express.Response) {
 }
 
 async function unblockAccount (req: express.Request, res: express.Response) {
-  const accountBlock: AccountBlocklistModel = res.locals.accountBlock
+  const accountBlock = res.locals.accountBlock
 
   await removeAccountFromBlocklist(accountBlock)
 
@@ -100,7 +99,7 @@ async function unblockAccount (req: express.Request, res: express.Response) {
 }
 
 async function listBlockedServers (req: express.Request, res: express.Response) {
-  const user: UserModel = res.locals.oauth.token.User
+  const user = res.locals.oauth.token.User
 
   const resultList = await ServerBlocklistModel.listForApi(user.Account.id, req.query.start, req.query.count, req.query.sort)
 
@@ -108,8 +107,8 @@ async function listBlockedServers (req: express.Request, res: express.Response)
 }
 
 async function blockServer (req: express.Request, res: express.Response) {
-  const user: UserModel = res.locals.oauth.token.User
-  const serverToBlock: ServerModel = res.locals.server
+  const user = res.locals.oauth.token.User
+  const serverToBlock = res.locals.server
 
   await addServerInBlocklist(user.Account.id, serverToBlock.id)
 
@@ -117,7 +116,7 @@ async function blockServer (req: express.Request, res: express.Response) {
 }
 
 async function unblockServer (req: express.Request, res: express.Response) {
-  const serverBlock: ServerBlocklistModel = res.locals.serverBlock
+  const serverBlock = res.locals.serverBlock
 
   await removeServerFromBlocklist(serverBlock)
 
diff --git a/server/controllers/api/users/my-history.ts b/server/controllers/api/users/my-history.ts
index 6cd782c47..b30d3aec2 100644
--- a/server/controllers/api/users/my-history.ts
+++ b/server/controllers/api/users/my-history.ts
@@ -36,7 +36,7 @@ export {
 // ---------------------------------------------------------------------------
 
 async function listMyVideosHistory (req: express.Request, res: express.Response) {
-  const user: UserModel = res.locals.oauth.token.User
+  const user = res.locals.oauth.token.User
 
   const resultList = await UserVideoHistoryModel.listForApi(user, req.query.start, req.query.count)
 
@@ -44,7 +44,7 @@ async function listMyVideosHistory (req: express.Request, res: express.Response)
 }
 
 async function removeUserHistory (req: express.Request, res: express.Response) {
-  const user: UserModel = res.locals.oauth.token.User
+  const user = res.locals.oauth.token.User
   const beforeDate = req.body.beforeDate || null
 
   await sequelizeTypescript.transaction(t => {
diff --git a/server/controllers/api/users/my-notifications.ts b/server/controllers/api/users/my-notifications.ts
index 76cf97587..bbafda5a6 100644
--- a/server/controllers/api/users/my-notifications.ts
+++ b/server/controllers/api/users/my-notifications.ts
@@ -9,7 +9,6 @@ import {
   setDefaultSort,
   userNotificationsSortValidator
 } from '../../../middlewares'
-import { UserModel } from '../../../models/account/user'
 import { getFormattedObjects } from '../../../helpers/utils'
 import { UserNotificationModel } from '../../../models/account/user-notification'
 import { meRouter } from './me'
@@ -57,8 +56,8 @@ export {
 // ---------------------------------------------------------------------------
 
 async function updateNotificationSettings (req: express.Request, res: express.Response) {
-  const user: UserModel = res.locals.oauth.token.User
-  const body = req.body
+  const user = res.locals.oauth.token.User
+  const body = req.body as UserNotificationSetting
 
   const query = {
     where: {
@@ -84,7 +83,7 @@ async function updateNotificationSettings (req: express.Request, res: express.Re
 }
 
 async function listUserNotifications (req: express.Request, res: express.Response) {
-  const user: UserModel = res.locals.oauth.token.User
+  const user = res.locals.oauth.token.User
 
   const resultList = await UserNotificationModel.listForApi(user.id, req.query.start, req.query.count, req.query.sort, req.query.unread)
 
@@ -92,7 +91,7 @@ async function listUserNotifications (req: express.Request, res: express.Respons
 }
 
 async function markAsReadUserNotifications (req: express.Request, res: express.Response) {
-  const user: UserModel = res.locals.oauth.token.User
+  const user = res.locals.oauth.token.User
 
   await UserNotificationModel.markAsRead(user.id, req.body.ids)
 
@@ -100,7 +99,7 @@ async function markAsReadUserNotifications (req: express.Request, res: express.R
 }
 
 async function markAsReadAllUserNotifications (req: express.Request, res: express.Response) {
-  const user: UserModel = res.locals.oauth.token.User
+  const user = res.locals.oauth.token.User
 
   await UserNotificationModel.markAllAsRead(user.id)
 
diff --git a/server/controllers/api/users/my-subscriptions.ts b/server/controllers/api/users/my-subscriptions.ts
index accca6d52..a173adfd0 100644
--- a/server/controllers/api/users/my-subscriptions.ts
+++ b/server/controllers/api/users/my-subscriptions.ts
@@ -14,7 +14,6 @@ import {
   userSubscriptionGetValidator
 } from '../../../middlewares'
 import { areSubscriptionsExistValidator, userSubscriptionsSortValidator, videosSortValidator } from '../../../middlewares/validators'
-import { UserModel } from '../../../models/account/user'
 import { VideoModel } from '../../../models/video/video'
 import { buildNSFWFilter } from '../../../helpers/express-utils'
 import { VideoFilter } from '../../../../shared/models/videos/video-query.type'
@@ -77,7 +76,7 @@ export {
 
 async function areSubscriptionsExist (req: express.Request, res: express.Response) {
   const uris = req.query.uris as string[]
-  const user = res.locals.oauth.token.User as UserModel
+  const user = res.locals.oauth.token.User
 
   const handles = uris.map(u => {
     let [ name, host ] = u.split('@')
@@ -107,7 +106,7 @@ async function areSubscriptionsExist (req: express.Request, res: express.Respons
 }
 
 async function addUserSubscription (req: express.Request, res: express.Response) {
-  const user = res.locals.oauth.token.User as UserModel
+  const user = res.locals.oauth.token.User
   const [ name, host ] = req.body.uri.split('@')
 
   const payload = {
@@ -123,13 +122,13 @@ async function addUserSubscription (req: express.Request, res: express.Response)
 }
 
 function getUserSubscription (req: express.Request, res: express.Response) {
-  const subscription: ActorFollowModel = res.locals.subscription
+  const subscription = res.locals.subscription
 
   return res.json(subscription.ActorFollowing.VideoChannel.toFormattedJSON())
 }
 
 async function deleteUserSubscription (req: express.Request, res: express.Response) {
-  const subscription: ActorFollowModel = res.locals.subscription
+  const subscription = res.locals.subscription
 
   await sequelizeTypescript.transaction(async t => {
     return subscription.destroy({ transaction: t })
@@ -139,7 +138,7 @@ async function deleteUserSubscription (req: express.Request, res: express.Respon
 }
 
 async function getUserSubscriptions (req: express.Request, res: express.Response) {
-  const user = res.locals.oauth.token.User as UserModel
+  const user = res.locals.oauth.token.User
   const actorId = user.Account.Actor.id
 
   const resultList = await ActorFollowModel.listSubscriptionsForApi(actorId, req.query.start, req.query.count, req.query.sort)
@@ -147,8 +146,8 @@ async function getUserSubscriptions (req: express.Request, res: express.Response
   return res.json(getFormattedObjects(resultList.data, resultList.total))
 }
 
-async function getUserSubscriptionVideos (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const user = res.locals.oauth.token.User as UserModel
+async function getUserSubscriptionVideos (req: express.Request, res: express.Response) {
+  const user = res.locals.oauth.token.User
   const resultList = await VideoModel.listForApi({
     start: req.query.start,
     count: req.query.count,
diff --git a/server/controllers/api/users/my-video-playlists.ts b/server/controllers/api/users/my-video-playlists.ts
index 42da02bff..15e92f4f3 100644
--- a/server/controllers/api/users/my-video-playlists.ts
+++ b/server/controllers/api/users/my-video-playlists.ts
@@ -1,6 +1,5 @@
 import * as express from 'express'
 import { asyncMiddleware, authenticate } from '../../../middlewares'
-import { UserModel } from '../../../models/account/user'
 import { doVideosInPlaylistExistValidator } from '../../../middlewares/validators/videos/video-playlists'
 import { VideoPlaylistModel } from '../../../models/video/video-playlist'
 import { VideoExistInPlaylist } from '../../../../shared/models/videos/playlist/video-exist-in-playlist.model'
@@ -23,7 +22,7 @@ export {
 
 async function doVideosInPlaylistExist (req: express.Request, res: express.Response) {
   const videoIds = req.query.videoIds.map(i => parseInt(i + '', 10))
-  const user = res.locals.oauth.token.User as UserModel
+  const user = res.locals.oauth.token.User
 
   const results = await VideoPlaylistModel.listPlaylistIdsOf(user.Account.id, videoIds)
 
diff --git a/server/controllers/api/video-channel.ts b/server/controllers/api/video-channel.ts
index c13aed4dc..5881cab41 100644
--- a/server/controllers/api/video-channel.ts
+++ b/server/controllers/api/video-channel.ts
@@ -30,7 +30,6 @@ import { updateAvatarValidator } from '../../middlewares/validators/avatar'
 import { updateActorAvatarFile } from '../../lib/avatar'
 import { auditLoggerFactory, getAuditIdFromRes, VideoChannelAuditView } from '../../helpers/audit-logger'
 import { resetSequelizeInstance } from '../../helpers/database-utils'
-import { UserModel } from '../../models/account/user'
 import { JobQueue } from '../../lib/job-queue'
 import { VideoPlaylistModel } from '../../models/video/video-playlist'
 import { commonVideoPlaylistFiltersValidator } from '../../middlewares/validators/videos/video-playlists'
@@ -109,16 +108,16 @@ export {
 
 // ---------------------------------------------------------------------------
 
-async function listVideoChannels (req: express.Request, res: express.Response, next: express.NextFunction) {
+async function listVideoChannels (req: express.Request, res: express.Response) {
   const serverActor = await getServerActor()
   const resultList = await VideoChannelModel.listForApi(serverActor.id, req.query.start, req.query.count, req.query.sort)
 
   return res.json(getFormattedObjects(resultList.data, resultList.total))
 }
 
-async function updateVideoChannelAvatar (req: express.Request, res: express.Response, next: express.NextFunction) {
+async function updateVideoChannelAvatar (req: express.Request, res: express.Response) {
   const avatarPhysicalFile = req.files[ 'avatarfile' ][ 0 ]
-  const videoChannel = res.locals.videoChannel as VideoChannelModel
+  const videoChannel = res.locals.videoChannel
   const oldVideoChannelAuditKeys = new VideoChannelAuditView(videoChannel.toFormattedJSON())
 
   const avatar = await updateActorAvatarFile(avatarPhysicalFile, videoChannel)
@@ -136,7 +135,7 @@ async function addVideoChannel (req: express.Request, res: express.Response) {
   const videoChannelInfo: VideoChannelCreate = req.body
 
   const videoChannelCreated: VideoChannelModel = await sequelizeTypescript.transaction(async t => {
-    const account = await AccountModel.load((res.locals.oauth.token.User as UserModel).Account.id, t)
+    const account = await AccountModel.load(res.locals.oauth.token.User.Account.id, t)
 
     return createVideoChannel(videoChannelInfo, account, t)
   })
@@ -156,7 +155,7 @@ async function addVideoChannel (req: express.Request, res: express.Response) {
 }
 
 async function updateVideoChannel (req: express.Request, res: express.Response) {
-  const videoChannelInstance = res.locals.videoChannel as VideoChannelModel
+  const videoChannelInstance = res.locals.videoChannel
   const videoChannelFieldsSave = videoChannelInstance.toJSON()
   const oldVideoChannelAuditKeys = new VideoChannelAuditView(videoChannelInstance.toFormattedJSON())
   const videoChannelInfoToUpdate = req.body as VideoChannelUpdate
@@ -196,7 +195,7 @@ async function updateVideoChannel (req: express.Request, res: express.Response)
 }
 
 async function removeVideoChannel (req: express.Request, res: express.Response) {
-  const videoChannelInstance: VideoChannelModel = res.locals.videoChannel
+  const videoChannelInstance = res.locals.videoChannel
 
   await sequelizeTypescript.transaction(async t => {
     await VideoPlaylistModel.resetPlaylistsOfChannel(videoChannelInstance.id, t)
@@ -210,7 +209,7 @@ async function removeVideoChannel (req: express.Request, res: express.Response)
   return res.type('json').status(204).end()
 }
 
-async function getVideoChannel (req: express.Request, res: express.Response, next: express.NextFunction) {
+async function getVideoChannel (req: express.Request, res: express.Response) {
   const videoChannelWithVideos = await VideoChannelModel.loadAndPopulateAccountAndVideos(res.locals.videoChannel.id)
 
   if (videoChannelWithVideos.isOutdated()) {
@@ -236,8 +235,8 @@ async function listVideoChannelPlaylists (req: express.Request, res: express.Res
   return res.json(getFormattedObjects(resultList.data, resultList.total))
 }
 
-async function listVideoChannelVideos (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const videoChannelInstance: VideoChannelModel = res.locals.videoChannel
+async function listVideoChannelVideos (req: express.Request, res: express.Response) {
+  const videoChannelInstance = res.locals.videoChannel
   const followerActorId = isUserAbleToSearchRemoteURI(res) ? null : undefined
 
   const resultList = await VideoModel.listForApi({
diff --git a/server/controllers/api/video-playlist.ts b/server/controllers/api/video-playlist.ts
index c7dfc583b..5b1601c4e 100644
--- a/server/controllers/api/video-playlist.ts
+++ b/server/controllers/api/video-playlist.ts
@@ -10,7 +10,6 @@ import {
   setDefaultPagination,
   setDefaultSort
 } from '../../middlewares'
-import { VideoChannelModel } from '../../models/video/video-channel'
 import { videoPlaylistsSortValidator } from '../../middlewares/validators'
 import { buildNSFWFilter, createReqFiles, isUserAbleToSearchRemoteURI } from '../../helpers/express-utils'
 import { CONFIG, MIMETYPES, sequelizeTypescript, THUMBNAILS_SIZE, VIDEO_PLAYLIST_PRIVACIES } from '../../initializers'
@@ -31,7 +30,6 @@ import { VideoPlaylistCreate } from '../../../shared/models/videos/playlist/vide
 import { VideoPlaylistPrivacy } from '../../../shared/models/videos/playlist/video-playlist-privacy.model'
 import { processImage } from '../../helpers/image-utils'
 import { join } from 'path'
-import { UserModel } from '../../models/account/user'
 import { sendCreateVideoPlaylist, sendDeleteVideoPlaylist, sendUpdateVideoPlaylist } from '../../lib/activitypub/send'
 import { getVideoPlaylistActivityPubUrl, getVideoPlaylistElementActivityPubUrl } from '../../lib/activitypub/url'
 import { VideoPlaylistUpdate } from '../../../shared/models/videos/playlist/video-playlist-update.model'
@@ -142,14 +140,14 @@ async function listVideoPlaylists (req: express.Request, res: express.Response)
 }
 
 function getVideoPlaylist (req: express.Request, res: express.Response) {
-  const videoPlaylist = res.locals.videoPlaylist as VideoPlaylistModel
+  const videoPlaylist = res.locals.videoPlaylist
 
   return res.json(videoPlaylist.toFormattedJSON())
 }
 
 async function addVideoPlaylist (req: express.Request, res: express.Response) {
   const videoPlaylistInfo: VideoPlaylistCreate = req.body
-  const user: UserModel = res.locals.oauth.token.User
+  const user = res.locals.oauth.token.User
 
   const videoPlaylist = new VideoPlaylistModel({
     name: videoPlaylistInfo.displayName,
@@ -161,7 +159,7 @@ async function addVideoPlaylist (req: express.Request, res: express.Response) {
   videoPlaylist.url = getVideoPlaylistActivityPubUrl(videoPlaylist) // We use the UUID, so set the URL after building the object
 
   if (videoPlaylistInfo.videoChannelId) {
-    const videoChannel = res.locals.videoChannel as VideoChannelModel
+    const videoChannel = res.locals.videoChannel
 
     videoPlaylist.videoChannelId = videoChannel.id
     videoPlaylist.VideoChannel = videoChannel
@@ -194,7 +192,7 @@ async function addVideoPlaylist (req: express.Request, res: express.Response) {
 }
 
 async function updateVideoPlaylist (req: express.Request, res: express.Response) {
-  const videoPlaylistInstance = res.locals.videoPlaylist as VideoPlaylistModel
+  const videoPlaylistInstance = res.locals.videoPlaylist
   const videoPlaylistFieldsSave = videoPlaylistInstance.toJSON()
   const videoPlaylistInfoToUpdate = req.body as VideoPlaylistUpdate
   const wasPrivatePlaylist = videoPlaylistInstance.privacy === VideoPlaylistPrivacy.PRIVATE
@@ -219,7 +217,7 @@ async function updateVideoPlaylist (req: express.Request, res: express.Response)
         if (videoPlaylistInfoToUpdate.videoChannelId === null) {
           videoPlaylistInstance.videoChannelId = null
         } else {
-          const videoChannel = res.locals.videoChannel as VideoChannelModel
+          const videoChannel = res.locals.videoChannel
 
           videoPlaylistInstance.videoChannelId = videoChannel.id
           videoPlaylistInstance.VideoChannel = videoChannel
@@ -262,7 +260,7 @@ async function updateVideoPlaylist (req: express.Request, res: express.Response)
 }
 
 async function removeVideoPlaylist (req: express.Request, res: express.Response) {
-  const videoPlaylistInstance: VideoPlaylistModel = res.locals.videoPlaylist
+  const videoPlaylistInstance = res.locals.videoPlaylist
 
   await sequelizeTypescript.transaction(async t => {
     await videoPlaylistInstance.destroy({ transaction: t })
@@ -277,8 +275,8 @@ async function removeVideoPlaylist (req: express.Request, res: express.Response)
 
 async function addVideoInPlaylist (req: express.Request, res: express.Response) {
   const body: VideoPlaylistElementCreate = req.body
-  const videoPlaylist: VideoPlaylistModel = res.locals.videoPlaylist
-  const video: VideoModel = res.locals.video
+  const videoPlaylist = res.locals.videoPlaylist
+  const video = res.locals.video
 
   const playlistElement: VideoPlaylistElementModel = await sequelizeTypescript.transaction(async t => {
     const position = await VideoPlaylistElementModel.getNextPositionOf(videoPlaylist.id, t)
@@ -323,8 +321,8 @@ async function addVideoInPlaylist (req: express.Request, res: express.Response)
 
 async function updateVideoPlaylistElement (req: express.Request, res: express.Response) {
   const body: VideoPlaylistElementUpdate = req.body
-  const videoPlaylist: VideoPlaylistModel = res.locals.videoPlaylist
-  const videoPlaylistElement: VideoPlaylistElementModel = res.locals.videoPlaylistElement
+  const videoPlaylist = res.locals.videoPlaylist
+  const videoPlaylistElement = res.locals.videoPlaylistElement
 
   const playlistElement: VideoPlaylistElementModel = await sequelizeTypescript.transaction(async t => {
     if (body.startTimestamp !== undefined) videoPlaylistElement.startTimestamp = body.startTimestamp
@@ -346,8 +344,8 @@ async function updateVideoPlaylistElement (req: express.Request, res: express.Re
 }
 
 async function removeVideoFromPlaylist (req: express.Request, res: express.Response) {
-  const videoPlaylistElement: VideoPlaylistElementModel = res.locals.videoPlaylistElement
-  const videoPlaylist: VideoPlaylistModel = res.locals.videoPlaylist
+  const videoPlaylistElement = res.locals.videoPlaylistElement
+  const videoPlaylist = res.locals.videoPlaylist
   const positionToDelete = videoPlaylistElement.position
 
   await sequelizeTypescript.transaction(async t => {
@@ -368,7 +366,7 @@ async function removeVideoFromPlaylist (req: express.Request, res: express.Respo
 }
 
 async function reorderVideosPlaylist (req: express.Request, res: express.Response) {
-  const videoPlaylist: VideoPlaylistModel = res.locals.videoPlaylist
+  const videoPlaylist = res.locals.videoPlaylist
   const body: VideoPlaylistReorder = req.body
 
   const start: number = body.startPosition
@@ -416,7 +414,7 @@ async function reorderVideosPlaylist (req: express.Request, res: express.Respons
 }
 
 async function getVideoPlaylistVideos (req: express.Request, res: express.Response) {
-  const videoPlaylistInstance: VideoPlaylistModel = res.locals.videoPlaylist
+  const videoPlaylistInstance = res.locals.videoPlaylist
   const followerActorId = isUserAbleToSearchRemoteURI(res) ? null : undefined
 
   const resultList = await VideoModel.listForApi({
diff --git a/server/controllers/api/videos/abuse.ts b/server/controllers/api/videos/abuse.ts
index 32f9c4793..ca70230a2 100644
--- a/server/controllers/api/videos/abuse.ts
+++ b/server/controllers/api/videos/abuse.ts
@@ -17,10 +17,8 @@ import {
   videoAbuseUpdateValidator
 } from '../../../middlewares'
 import { AccountModel } from '../../../models/account/account'
-import { VideoModel } from '../../../models/video/video'
 import { VideoAbuseModel } from '../../../models/video/video-abuse'
 import { auditLoggerFactory, VideoAbuseAuditView } from '../../../helpers/audit-logger'
-import { UserModel } from '../../../models/account/user'
 import { Notifier } from '../../../lib/notifier'
 import { sendVideoAbuse } from '../../../lib/activitypub/send/send-flag'
 
@@ -69,7 +67,7 @@ async function listVideoAbuses (req: express.Request, res: express.Response) {
 }
 
 async function updateVideoAbuse (req: express.Request, res: express.Response) {
-  const videoAbuse: VideoAbuseModel = res.locals.videoAbuse
+  const videoAbuse = res.locals.videoAbuse
 
   if (req.body.moderationComment !== undefined) videoAbuse.moderationComment = req.body.moderationComment
   if (req.body.state !== undefined) videoAbuse.state = req.body.state
@@ -84,7 +82,7 @@ async function updateVideoAbuse (req: express.Request, res: express.Response) {
 }
 
 async function deleteVideoAbuse (req: express.Request, res: express.Response) {
-  const videoAbuse: VideoAbuseModel = res.locals.videoAbuse
+  const videoAbuse = res.locals.videoAbuse
 
   await sequelizeTypescript.transaction(t => {
     return videoAbuse.destroy({ transaction: t })
@@ -96,11 +94,11 @@ async function deleteVideoAbuse (req: express.Request, res: express.Response) {
 }
 
 async function reportVideoAbuse (req: express.Request, res: express.Response) {
-  const videoInstance = res.locals.video as VideoModel
+  const videoInstance = res.locals.video
   const body: VideoAbuseCreate = req.body
 
   const videoAbuse: VideoAbuseModel = await sequelizeTypescript.transaction(async t => {
-    const reporterAccount = await AccountModel.load((res.locals.oauth.token.User as UserModel).Account.id, t)
+    const reporterAccount = await AccountModel.load(res.locals.oauth.token.User.Account.id, t)
 
     const abuseToCreate = {
       reporterAccountId: reporterAccount.id,
diff --git a/server/controllers/api/videos/blacklist.ts b/server/controllers/api/videos/blacklist.ts
index b01296200..d0728eb59 100644
--- a/server/controllers/api/videos/blacklist.ts
+++ b/server/controllers/api/videos/blacklist.ts
@@ -17,7 +17,6 @@ import {
 import { VideoBlacklistModel } from '../../../models/video/video-blacklist'
 import { sequelizeTypescript } from '../../../initializers'
 import { Notifier } from '../../../lib/notifier'
-import { VideoModel } from '../../../models/video/video'
 import { sendDeleteVideo } from '../../../lib/activitypub/send'
 import { federateVideoIfNeeded } from '../../../lib/activitypub'
 
@@ -87,7 +86,7 @@ async function addVideoToBlacklist (req: express.Request, res: express.Response)
 }
 
 async function updateVideoBlacklistController (req: express.Request, res: express.Response) {
-  const videoBlacklist = res.locals.videoBlacklist as VideoBlacklistModel
+  const videoBlacklist = res.locals.videoBlacklist
 
   if (req.body.reason !== undefined) videoBlacklist.reason = req.body.reason
 
@@ -105,8 +104,8 @@ async function listBlacklist (req: express.Request, res: express.Response, next:
 }
 
 async function removeVideoFromBlacklistController (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const videoBlacklist = res.locals.videoBlacklist as VideoBlacklistModel
-  const video: VideoModel = res.locals.video
+  const videoBlacklist = res.locals.videoBlacklist
+  const video = res.locals.video
 
   await sequelizeTypescript.transaction(async t => {
     const unfederated = videoBlacklist.unfederated
diff --git a/server/controllers/api/videos/captions.ts b/server/controllers/api/videos/captions.ts
index 9b3661368..2694577d8 100644
--- a/server/controllers/api/videos/captions.ts
+++ b/server/controllers/api/videos/captions.ts
@@ -5,7 +5,6 @@ import { createReqFiles } from '../../../helpers/express-utils'
 import { CONFIG, MIMETYPES, sequelizeTypescript } from '../../../initializers'
 import { getFormattedObjects } from '../../../helpers/utils'
 import { VideoCaptionModel } from '../../../models/video/video-caption'
-import { VideoModel } from '../../../models/video/video'
 import { logger } from '../../../helpers/logger'
 import { federateVideoIfNeeded } from '../../../lib/activitypub'
 import { moveAndProcessCaptionFile } from '../../../helpers/captions-utils'
@@ -52,7 +51,7 @@ async function listVideoCaptions (req: express.Request, res: express.Response) {
 
 async function addVideoCaption (req: express.Request, res: express.Response) {
   const videoCaptionPhysicalFile = req.files['captionfile'][0]
-  const video = res.locals.video as VideoModel
+  const video = res.locals.video
 
   const videoCaption = new VideoCaptionModel({
     videoId: video.id,
@@ -74,8 +73,8 @@ async function addVideoCaption (req: express.Request, res: express.Response) {
 }
 
 async function deleteVideoCaption (req: express.Request, res: express.Response) {
-  const video = res.locals.video as VideoModel
-  const videoCaption = res.locals.videoCaption as VideoCaptionModel
+  const video = res.locals.video
+  const videoCaption = res.locals.videoCaption
 
   await sequelizeTypescript.transaction(async t => {
     await videoCaption.destroy({ transaction: t })
diff --git a/server/controllers/api/videos/comment.ts b/server/controllers/api/videos/comment.ts
index 70c1148ba..176ee8bd4 100644
--- a/server/controllers/api/videos/comment.ts
+++ b/server/controllers/api/videos/comment.ts
@@ -8,7 +8,8 @@ import { buildFormattedCommentTree, createVideoComment } from '../../../lib/vide
 import {
   asyncMiddleware,
   asyncRetryTransactionMiddleware,
-  authenticate, optionalAuthenticate,
+  authenticate,
+  optionalAuthenticate,
   paginationValidator,
   setDefaultPagination,
   setDefaultSort
@@ -21,11 +22,9 @@ import {
   removeVideoCommentValidator,
   videoCommentThreadsSortValidator
 } from '../../../middlewares/validators'
-import { VideoModel } from '../../../models/video/video'
 import { VideoCommentModel } from '../../../models/video/video-comment'
 import { auditLoggerFactory, CommentAuditView, getAuditIdFromRes } from '../../../helpers/audit-logger'
 import { AccountModel } from '../../../models/account/account'
-import { UserModel } from '../../../models/account/user'
 import { Notifier } from '../../../lib/notifier'
 
 const auditLogger = auditLoggerFactory('comments')
@@ -70,9 +69,9 @@ export {
 
 // ---------------------------------------------------------------------------
 
-async function listVideoThreads (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const video = res.locals.video as VideoModel
-  const user: UserModel = res.locals.oauth ? res.locals.oauth.token.User : undefined
+async function listVideoThreads (req: express.Request, res: express.Response) {
+  const video = res.locals.video
+  const user = res.locals.oauth ? res.locals.oauth.token.User : undefined
 
   let resultList: ResultList<VideoCommentModel>
 
@@ -88,9 +87,9 @@ async function listVideoThreads (req: express.Request, res: express.Response, ne
   return res.json(getFormattedObjects(resultList.data, resultList.total))
 }
 
-async function listVideoThreadComments (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const video = res.locals.video as VideoModel
-  const user: UserModel = res.locals.oauth ? res.locals.oauth.token.User : undefined
+async function listVideoThreadComments (req: express.Request, res: express.Response) {
+  const video = res.locals.video
+  const user = res.locals.oauth ? res.locals.oauth.token.User : undefined
 
   let resultList: ResultList<VideoCommentModel>
 
@@ -110,7 +109,7 @@ async function addVideoCommentThread (req: express.Request, res: express.Respons
   const videoCommentInfo: VideoCommentCreate = req.body
 
   const comment = await sequelizeTypescript.transaction(async t => {
-    const account = await AccountModel.load((res.locals.oauth.token.User as UserModel).Account.id, t)
+    const account = await AccountModel.load(res.locals.oauth.token.User.Account.id, t)
 
     return createVideoComment({
       text: videoCommentInfo.text,
@@ -132,7 +131,7 @@ async function addVideoCommentReply (req: express.Request, res: express.Response
   const videoCommentInfo: VideoCommentCreate = req.body
 
   const comment = await sequelizeTypescript.transaction(async t => {
-    const account = await AccountModel.load((res.locals.oauth.token.User as UserModel).Account.id, t)
+    const account = await AccountModel.load(res.locals.oauth.token.User.Account.id, t)
 
     return createVideoComment({
       text: videoCommentInfo.text,
@@ -149,7 +148,7 @@ async function addVideoCommentReply (req: express.Request, res: express.Response
 }
 
 async function removeVideoComment (req: express.Request, res: express.Response) {
-  const videoCommentInstance: VideoCommentModel = res.locals.videoComment
+  const videoCommentInstance = res.locals.videoComment
 
   await sequelizeTypescript.transaction(async t => {
     await videoCommentInstance.destroy({ transaction: t })
diff --git a/server/controllers/api/videos/import.ts b/server/controllers/api/videos/import.ts
index 626c81eca..cbd2e8514 100644
--- a/server/controllers/api/videos/import.ts
+++ b/server/controllers/api/videos/import.ts
@@ -97,7 +97,7 @@ async function addTorrentImport (req: express.Request, res: express.Response, to
     state: VideoImportState.PENDING,
     userId: user.id
   }
-  const videoImport: VideoImportModel = await insertIntoDB(video, res.locals.videoChannel, tags, videoImportAttributes)
+  const videoImport = await insertIntoDB(video, res.locals.videoChannel, tags, videoImportAttributes)
 
   // Create job to import the video
   const payload = {
@@ -139,7 +139,7 @@ async function addYoutubeDLImport (req: express.Request, res: express.Response)
     state: VideoImportState.PENDING,
     userId: user.id
   }
-  const videoImport: VideoImportModel = await insertIntoDB(video, res.locals.videoChannel, tags, videoImportAttributes)
+  const videoImport = await insertIntoDB(video, res.locals.videoChannel, tags, videoImportAttributes)
 
   // Create job to import the video
   const payload = {
diff --git a/server/controllers/api/videos/index.ts b/server/controllers/api/videos/index.ts
index 27f67895e..db4f4c96f 100644
--- a/server/controllers/api/videos/index.ts
+++ b/server/controllers/api/videos/index.ts
@@ -295,7 +295,7 @@ async function addVideo (req: express.Request, res: express.Response) {
 }
 
 async function updateVideo (req: express.Request, res: express.Response) {
-  const videoInstance: VideoModel = res.locals.video
+  const videoInstance = res.locals.video
   const videoFieldsSave = videoInstance.toJSON()
   const oldVideoAuditView = new VideoAuditView(videoInstance.toFormattedDetailsJSON())
   const videoInfoToUpdate: VideoUpdate = req.body
@@ -407,7 +407,7 @@ async function updateVideo (req: express.Request, res: express.Response) {
 async function getVideo (req: express.Request, res: express.Response) {
   // We need more attributes
   const userId: number = res.locals.oauth ? res.locals.oauth.token.User.id : null
-  const video: VideoModel = await VideoModel.loadForGetAPI(res.locals.video.id, undefined, userId)
+  const video = await VideoModel.loadForGetAPI(res.locals.video.id, undefined, userId)
 
   if (video.isOutdated()) {
     JobQueue.Instance.createJob({ type: 'activitypub-refresher', payload: { type: 'video', url: video.url } })
@@ -472,7 +472,7 @@ async function listVideos (req: express.Request, res: express.Response) {
 }
 
 async function removeVideo (req: express.Request, res: express.Response) {
-  const videoInstance: VideoModel = res.locals.video
+  const videoInstance = res.locals.video
 
   await sequelizeTypescript.transaction(async t => {
     await videoInstance.destroy({ transaction: t })
diff --git a/server/controllers/api/videos/ownership.ts b/server/controllers/api/videos/ownership.ts
index 5ea7d7c6a..fc73856c9 100644
--- a/server/controllers/api/videos/ownership.ts
+++ b/server/controllers/api/videos/ownership.ts
@@ -11,8 +11,6 @@ import {
   videosChangeOwnershipValidator,
   videosTerminateChangeOwnershipValidator
 } from '../../../middlewares'
-import { AccountModel } from '../../../models/account/account'
-import { VideoModel } from '../../../models/video/video'
 import { VideoChangeOwnershipModel } from '../../../models/video/video-change-ownership'
 import { VideoChangeOwnershipStatus, VideoPrivacy, VideoState } from '../../../../shared/models/videos'
 import { VideoChannelModel } from '../../../models/video/video-channel'
@@ -58,9 +56,9 @@ export {
 // ---------------------------------------------------------------------------
 
 async function giveVideoOwnership (req: express.Request, res: express.Response) {
-  const videoInstance = res.locals.video as VideoModel
-  const initiatorAccountId = (res.locals.oauth.token.User as UserModel).Account.id
-  const nextOwner = res.locals.nextOwner as AccountModel
+  const videoInstance = res.locals.video
+  const initiatorAccountId = res.locals.oauth.token.User.Account.id
+  const nextOwner = res.locals.nextOwner
 
   await sequelizeTypescript.transaction(t => {
     return VideoChangeOwnershipModel.findOrCreate({
@@ -85,7 +83,7 @@ async function giveVideoOwnership (req: express.Request, res: express.Response)
 }
 
 async function listVideoOwnership (req: express.Request, res: express.Response) {
-  const currentAccountId = (res.locals.oauth.token.User as UserModel).Account.id
+  const currentAccountId = res.locals.oauth.token.User.Account.id
 
   const resultList = await VideoChangeOwnershipModel.listForApi(
     currentAccountId,
@@ -99,9 +97,9 @@ async function listVideoOwnership (req: express.Request, res: express.Response)
 
 async function acceptOwnership (req: express.Request, res: express.Response) {
   return sequelizeTypescript.transaction(async t => {
-    const videoChangeOwnership = res.locals.videoChangeOwnership as VideoChangeOwnershipModel
+    const videoChangeOwnership = res.locals.videoChangeOwnership
     const targetVideo = videoChangeOwnership.Video
-    const channel = res.locals.videoChannel as VideoChannelModel
+    const channel = res.locals.videoChannel
 
     const oldVideoChannel = await VideoChannelModel.loadByIdAndPopulateAccount(targetVideo.channelId)
 
@@ -123,7 +121,7 @@ async function acceptOwnership (req: express.Request, res: express.Response) {
 
 async function refuseOwnership (req: express.Request, res: express.Response) {
   return sequelizeTypescript.transaction(async t => {
-    const videoChangeOwnership = res.locals.videoChangeOwnership as VideoChangeOwnershipModel
+    const videoChangeOwnership = res.locals.videoChangeOwnership
 
     videoChangeOwnership.set('status', VideoChangeOwnershipStatus.REFUSED)
     await videoChangeOwnership.save({ transaction: t })
diff --git a/server/controllers/api/videos/rate.ts b/server/controllers/api/videos/rate.ts
index 53952a0a2..914c596c3 100644
--- a/server/controllers/api/videos/rate.ts
+++ b/server/controllers/api/videos/rate.ts
@@ -6,7 +6,6 @@ import { getRateUrl, sendVideoRateChange } from '../../../lib/activitypub'
 import { asyncMiddleware, asyncRetryTransactionMiddleware, authenticate, videoUpdateRateValidator } from '../../../middlewares'
 import { AccountModel } from '../../../models/account/account'
 import { AccountVideoRateModel } from '../../../models/account/account-video-rate'
-import { VideoModel } from '../../../models/video/video'
 
 const rateVideoRouter = express.Router()
 
@@ -27,8 +26,8 @@ export {
 async function rateVideo (req: express.Request, res: express.Response) {
   const body: UserVideoRateUpdate = req.body
   const rateType = body.rating
-  const videoInstance: VideoModel = res.locals.video
-  const userAccount: AccountModel = res.locals.oauth.token.User.Account
+  const videoInstance = res.locals.video
+  const userAccount = res.locals.oauth.token.User.Account
 
   await sequelizeTypescript.transaction(async t => {
     const sequelizeOptions = { transaction: t }
diff --git a/server/controllers/api/videos/watching.ts b/server/controllers/api/videos/watching.ts
index e8876b47a..6bc60e045 100644
--- a/server/controllers/api/videos/watching.ts
+++ b/server/controllers/api/videos/watching.ts
@@ -21,7 +21,7 @@ export {
 // ---------------------------------------------------------------------------
 
 async function userWatchVideo (req: express.Request, res: express.Response) {
-  const user = res.locals.oauth.token.User as UserModel
+  const user = res.locals.oauth.token.User
 
   const body: UserWatchingVideo = req.body
   const { id: videoId } = res.locals.video as { id: number }
diff --git a/server/controllers/feeds.ts b/server/controllers/feeds.ts
index 960085af1..cd46b6e0f 100644
--- a/server/controllers/feeds.ts
+++ b/server/controllers/feeds.ts
@@ -11,9 +11,7 @@ import {
 } from '../middlewares'
 import { VideoModel } from '../models/video/video'
 import * as Feed from 'pfeed'
-import { AccountModel } from '../models/account/account'
 import { cacheRoute } from '../middlewares/cache'
-import { VideoChannelModel } from '../models/video/video-channel'
 import { VideoCommentModel } from '../models/video/video-comment'
 import { buildNSFWFilter } from '../helpers/express-utils'
 
@@ -42,10 +40,10 @@ export {
 
 // ---------------------------------------------------------------------------
 
-async function generateVideoCommentsFeed (req: express.Request, res: express.Response, next: express.NextFunction) {
+async function generateVideoCommentsFeed (req: express.Request, res: express.Response) {
   const start = 0
 
-  const video = res.locals.video as VideoModel
+  const video = res.locals.video
   const videoId: number = video ? video.id : undefined
 
   const comments = await VideoCommentModel.listForFeed(start, FEEDS.COUNT, videoId)
@@ -77,11 +75,11 @@ async function generateVideoCommentsFeed (req: express.Request, res: express.Res
   return sendFeed(feed, req, res)
 }
 
-async function generateVideoFeed (req: express.Request, res: express.Response, next: express.NextFunction) {
+async function generateVideoFeed (req: express.Request, res: express.Response) {
   const start = 0
 
-  const account: AccountModel = res.locals.account
-  const videoChannel: VideoChannelModel = res.locals.videoChannel
+  const account = res.locals.account
+  const videoChannel = res.locals.videoChannel
   const nsfw = buildNSFWFilter(res, req.query.nsfw)
 
   let name: string
diff --git a/server/controllers/services.ts b/server/controllers/services.ts
index 680c3c37f..cf7a513af 100644
--- a/server/controllers/services.ts
+++ b/server/controllers/services.ts
@@ -23,8 +23,8 @@ export {
 
 // ---------------------------------------------------------------------------
 
-function generateOEmbed (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const video = res.locals.video as VideoModel
+function generateOEmbed (req: express.Request, res: express.Response) {
+  const video = res.locals.video
   const webserverUrl = CONFIG.WEBSERVER.URL
   const maxHeight = parseInt(req.query.maxheight, 10)
   const maxWidth = parseInt(req.query.maxwidth, 10)
diff --git a/server/controllers/static.ts b/server/controllers/static.ts
index 639445b74..7b14320e4 100644
--- a/server/controllers/static.ts
+++ b/server/controllers/static.ts
@@ -245,7 +245,7 @@ async function downloadVideoFile (req: express.Request, res: express.Response, n
 
 function getVideoAndFile (req: express.Request, res: express.Response) {
   const resolution = parseInt(req.params.resolution, 10)
-  const video: VideoModel = res.locals.video
+  const video = res.locals.video
 
   const videoFile = video.VideoFiles.find(f => f.resolution === resolution)
 
diff --git a/server/controllers/webfinger.ts b/server/controllers/webfinger.ts
index ed781c21b..f2ba3c826 100644
--- a/server/controllers/webfinger.ts
+++ b/server/controllers/webfinger.ts
@@ -1,7 +1,6 @@
 import * as express from 'express'
 import { asyncMiddleware } from '../middlewares'
 import { webfingerValidator } from '../middlewares/validators'
-import { ActorModel } from '../models/activitypub/actor'
 
 const webfingerRouter = express.Router()
 
@@ -18,8 +17,8 @@ export {
 
 // ---------------------------------------------------------------------------
 
-function webfingerController (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const actor = res.locals.actor as ActorModel
+function webfingerController (req: express.Request, res: express.Response) {
+  const actor = res.locals.actor
 
   const json = {
     subject: req.query.resource,
diff --git a/server/helpers/express-utils.ts b/server/helpers/express-utils.ts
index 9a72ee96d..fef2da313 100644
--- a/server/helpers/express-utils.ts
+++ b/server/helpers/express-utils.ts
@@ -5,7 +5,6 @@ import { logger } from './logger'
 import { deleteFileAsync, generateRandomString } from './utils'
 import { extname } from 'path'
 import { isArray } from './custom-validators/misc'
-import { UserModel } from '../models/account/user'
 
 function buildNSFWFilter (res?: express.Response, paramNSFW?: string) {
   if (paramNSFW === 'true') return true
@@ -13,7 +12,7 @@ function buildNSFWFilter (res?: express.Response, paramNSFW?: string) {
   if (paramNSFW === 'both') return undefined
 
   if (res && res.locals.oauth) {
-    const user: UserModel = res.locals.oauth.token.User
+    const user = res.locals.oauth.token.User
 
     // User does not want NSFW videos
     if (user.nsfwPolicy === 'do_not_list') return false
@@ -100,7 +99,7 @@ function createReqFiles (
 }
 
 function isUserAbleToSearchRemoteURI (res: express.Response) {
-  const user: UserModel = res.locals.oauth ? res.locals.oauth.token.User : undefined
+  const user = res.locals.oauth ? res.locals.oauth.token.User : undefined
 
   return CONFIG.SEARCH.REMOTE_URI.ANONYMOUS === true ||
     (CONFIG.SEARCH.REMOTE_URI.USERS === true && user !== undefined)
diff --git a/server/middlewares/activitypub.ts b/server/middlewares/activitypub.ts
index 5fa10cbfd..c528ee250 100644
--- a/server/middlewares/activitypub.ts
+++ b/server/middlewares/activitypub.ts
@@ -4,7 +4,6 @@ import { logger } from '../helpers/logger'
 import { isHTTPSignatureVerified, isJsonLDSignatureVerified, parseHTTPSignature } from '../helpers/peertube-crypto'
 import { ACCEPT_HEADERS, ACTIVITY_PUB, HTTP_SIGNATURE } from '../initializers'
 import { getOrCreateActorAndServerAndModel } from '../lib/activitypub'
-import { ActorModel } from '../models/activitypub/actor'
 import { loadActorUrlOrGetFromWebfinger } from '../helpers/webfinger'
 
 async function checkSignature (req: Request, res: Response, next: NextFunction) {
@@ -12,7 +11,7 @@ async function checkSignature (req: Request, res: Response, next: NextFunction)
     const httpSignatureChecked = await checkHttpSignature(req, res)
     if (httpSignatureChecked !== true) return
 
-    const actor: ActorModel = res.locals.signature.actor
+    const actor = res.locals.signature.actor
 
     // Forwarded activity
     const bodyActor = req.body.actor
diff --git a/server/middlewares/user-right.ts b/server/middlewares/user-right.ts
index 7cea7aa1e..498e3d677 100644
--- a/server/middlewares/user-right.ts
+++ b/server/middlewares/user-right.ts
@@ -2,11 +2,10 @@ import * as express from 'express'
 import 'express-validator'
 import { UserRight } from '../../shared'
 import { logger } from '../helpers/logger'
-import { UserModel } from '../models/account/user'
 
 function ensureUserHasRight (userRight: UserRight) {
   return function (req: express.Request, res: express.Response, next: express.NextFunction) {
-    const user = res.locals.oauth.token.user as UserModel
+    const user = res.locals.oauth.token.user
     if (user.hasRight(userRight) === false) {
       const message = `User ${user.username} does not have right ${UserRight[userRight]} to access to ${req.path}.`
       logger.info(message)
diff --git a/server/middlewares/validators/activitypub/activity.ts b/server/middlewares/validators/activitypub/activity.ts
index 3f9057c0c..7582f65e7 100644
--- a/server/middlewares/validators/activitypub/activity.ts
+++ b/server/middlewares/validators/activitypub/activity.ts
@@ -2,7 +2,6 @@ import * as express from 'express'
 import { isRootActivityValid } from '../../../helpers/custom-validators/activitypub/activity'
 import { logger } from '../../../helpers/logger'
 import { getServerActor } from '../../../helpers/utils'
-import { ActorModel } from '../../../models/activitypub/actor'
 
 async function activityPubValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
   logger.debug('Checking activity pub parameters')
@@ -13,7 +12,7 @@ async function activityPubValidator (req: express.Request, res: express.Response
   }
 
   const serverActor = await getServerActor()
-  const remoteActor = res.locals.signature.actor as ActorModel
+  const remoteActor = res.locals.signature.actor
   if (serverActor.id === remoteActor.id) {
     logger.error('Receiving request in INBOX by ourselves!', req.body)
     return res.status(409).end()
diff --git a/server/middlewares/validators/blocklist.ts b/server/middlewares/validators/blocklist.ts
index d7ec649b6..f5b295f45 100644
--- a/server/middlewares/validators/blocklist.ts
+++ b/server/middlewares/validators/blocklist.ts
@@ -20,7 +20,7 @@ const blockAccountValidator = [
     if (areValidationErrors(req, res)) return
     if (!await doesAccountNameWithHostExist(req.body.accountName, res)) return
 
-    const user = res.locals.oauth.token.User as UserModel
+    const user = res.locals.oauth.token.User
     const accountToBlock = res.locals.account
 
     if (user.Account.id === accountToBlock.id) {
@@ -44,7 +44,7 @@ const unblockAccountByAccountValidator = [
     if (areValidationErrors(req, res)) return
     if (!await doesAccountNameWithHostExist(req.params.accountName, res)) return
 
-    const user = res.locals.oauth.token.User as UserModel
+    const user = res.locals.oauth.token.User
     const targetAccount = res.locals.account
     if (!await doesUnblockAccountExist(user.Account.id, targetAccount.id, res)) return
 
@@ -106,7 +106,7 @@ const unblockServerByAccountValidator = [
 
     if (areValidationErrors(req, res)) return
 
-    const user = res.locals.oauth.token.User as UserModel
+    const user = res.locals.oauth.token.User
     if (!await doesUnblockServerExist(user.Account.id, req.params.host, res)) return
 
     return next()
diff --git a/server/middlewares/validators/redundancy.ts b/server/middlewares/validators/redundancy.ts
index 419921928..76cf89c40 100644
--- a/server/middlewares/validators/redundancy.ts
+++ b/server/middlewares/validators/redundancy.ts
@@ -1,16 +1,12 @@
 import * as express from 'express'
 import 'express-validator'
-import { param, body } from 'express-validator/check'
+import { body, param } from 'express-validator/check'
 import { exists, isBooleanValid, isIdOrUUIDValid, toIntOrNull } from '../../helpers/custom-validators/misc'
 import { doesVideoExist } from '../../helpers/custom-validators/videos'
 import { logger } from '../../helpers/logger'
 import { areValidationErrors } from './utils'
-import { VideoModel } from '../../models/video/video'
 import { VideoRedundancyModel } from '../../models/redundancy/video-redundancy'
 import { isHostValid } from '../../helpers/custom-validators/servers'
-import { getServerActor } from '../../helpers/utils'
-import { ActorFollowModel } from '../../models/activitypub/actor-follow'
-import { SERVER_ACTOR_NAME } from '../../initializers'
 import { ServerModel } from '../../models/server/server'
 
 const videoFileRedundancyGetValidator = [
@@ -29,7 +25,7 @@ const videoFileRedundancyGetValidator = [
     if (areValidationErrors(req, res)) return
     if (!await doesVideoExist(req.params.videoId, res)) return
 
-    const video: VideoModel = res.locals.video
+    const video = res.locals.video
     const videoFile = video.VideoFiles.find(f => {
       return f.resolution === req.params.resolution && (!req.params.fps || f.fps === req.params.fps)
     })
@@ -55,7 +51,7 @@ const videoPlaylistRedundancyGetValidator = [
     if (areValidationErrors(req, res)) return
     if (!await doesVideoExist(req.params.videoId, res)) return
 
-    const video: VideoModel = res.locals.video
+    const video = res.locals.video
     const videoStreamingPlaylist = video.VideoStreamingPlaylists.find(p => p === req.params.streamingPlaylistType)
 
     if (!videoStreamingPlaylist) return res.status(404).json({ error: 'Video playlist not found.' })
diff --git a/server/middlewares/validators/user-subscriptions.ts b/server/middlewares/validators/user-subscriptions.ts
index c5f8d9d4c..fd82ed017 100644
--- a/server/middlewares/validators/user-subscriptions.ts
+++ b/server/middlewares/validators/user-subscriptions.ts
@@ -5,7 +5,6 @@ import { logger } from '../../helpers/logger'
 import { areValidationErrors } from './utils'
 import { ActorFollowModel } from '../../models/activitypub/actor-follow'
 import { areValidActorHandles, isValidActorHandle } from '../../helpers/custom-validators/activitypub/actor'
-import { UserModel } from '../../models/account/user'
 import { CONFIG } from '../../initializers'
 import { toArray } from '../../helpers/custom-validators/misc'
 
@@ -46,7 +45,7 @@ const userSubscriptionGetValidator = [
     let [ name, host ] = req.params.uri.split('@')
     if (host === CONFIG.WEBSERVER.HOST) host = null
 
-    const user: UserModel = res.locals.oauth.token.User
+    const user = res.locals.oauth.token.User
     const subscription = await ActorFollowModel.loadByActorAndTargetNameAndHostForAPI(user.Account.Actor.id, name, host)
 
     if (!subscription || !subscription.ActorFollowing.VideoChannel) {
diff --git a/server/middlewares/validators/users.ts b/server/middlewares/validators/users.ts
index 5e8c8c29b..e8ade0f97 100644
--- a/server/middlewares/validators/users.ts
+++ b/server/middlewares/validators/users.ts
@@ -14,7 +14,8 @@ import {
   isUserRoleValid,
   isUserUsernameValid,
   isUserVideoQuotaDailyValid,
-  isUserVideoQuotaValid, isUserVideosHistoryEnabledValid
+  isUserVideoQuotaValid,
+  isUserVideosHistoryEnabledValid
 } from '../../helpers/custom-validators/users'
 import { doesVideoExist } from '../../helpers/custom-validators/videos'
 import { logger } from '../../helpers/logger'
@@ -100,7 +101,7 @@ const usersBlockingValidator = [
 
 const deleteMeValidator = [
   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
-    const user: UserModel = res.locals.oauth.token.User
+    const user = res.locals.oauth.token.User
     if (user.username === 'root') {
       return res.status(400)
                 .send({ error: 'You cannot delete your root account.' })
@@ -159,8 +160,7 @@ const usersUpdateMeValidator = [
                   .end()
       }
 
-      const user: UserModel = res.locals.oauth.token.User
-
+      const user= res.locals.oauth.token.User
       if (await user.isPasswordMatch(req.body.currentPassword) !== true) {
         return res.status(401)
                   .send({ error: 'currentPassword is invalid.' })
@@ -257,7 +257,7 @@ const usersResetPasswordValidator = [
     if (areValidationErrors(req, res)) return
     if (!await checkUserIdExist(req.params.id, res)) return
 
-    const user = res.locals.user as UserModel
+    const user = res.locals.user
     const redisVerificationString = await Redis.Instance.getResetPasswordLink(user.id)
 
     if (redisVerificationString !== req.body.verificationString) {
@@ -299,7 +299,7 @@ const usersVerifyEmailValidator = [
     if (areValidationErrors(req, res)) return
     if (!await checkUserIdExist(req.params.id, res)) return
 
-    const user = res.locals.user as UserModel
+    const user = res.locals.user
     const redisVerificationString = await Redis.Instance.getVerifyEmailLink(user.id)
 
     if (redisVerificationString !== req.body.verificationString) {
diff --git a/server/middlewares/validators/videos/video-blacklist.ts b/server/middlewares/validators/videos/video-blacklist.ts
index 77ad29cbb..db318dcdb 100644
--- a/server/middlewares/validators/videos/video-blacklist.ts
+++ b/server/middlewares/validators/videos/video-blacklist.ts
@@ -5,7 +5,6 @@ import { doesVideoExist } from '../../../helpers/custom-validators/videos'
 import { logger } from '../../../helpers/logger'
 import { areValidationErrors } from '../utils'
 import { doesVideoBlacklistExist, isVideoBlacklistReasonValid } from '../../../helpers/custom-validators/video-blacklist'
-import { VideoModel } from '../../../models/video/video'
 
 const videosBlacklistRemoveValidator = [
   param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid videoId'),
@@ -37,7 +36,7 @@ const videosBlacklistAddValidator = [
     if (areValidationErrors(req, res)) return
     if (!await doesVideoExist(req.params.videoId, res)) return
 
-    const video: VideoModel = res.locals.video
+    const video = res.locals.video
     if (req.body.unfederate === true && video.remote === true) {
       return res
         .status(409)
diff --git a/server/middlewares/validators/videos/video-playlists.ts b/server/middlewares/validators/videos/video-playlists.ts
index 4bc79f433..55e09e354 100644
--- a/server/middlewares/validators/videos/video-playlists.ts
+++ b/server/middlewares/validators/videos/video-playlists.ts
@@ -103,7 +103,7 @@ const videoPlaylistsDeleteValidator = [
 
     if (!await doesVideoPlaylistExist(req.params.playlistId, res)) return
 
-    const videoPlaylist: VideoPlaylistModel = res.locals.videoPlaylist
+    const videoPlaylist = res.locals.videoPlaylist
     if (videoPlaylist.type === VideoPlaylistType.WATCH_LATER) {
       return res.status(400)
                 .json({ error: 'Cannot delete a watch later playlist.' })
@@ -128,7 +128,7 @@ const videoPlaylistsGetValidator = [
 
     if (!await doesVideoPlaylistExist(req.params.playlistId, res)) return
 
-    const videoPlaylist: VideoPlaylistModel = res.locals.videoPlaylist
+    const videoPlaylist = res.locals.videoPlaylist
 
     // Video is unlisted, check we used the uuid to fetch it
     if (videoPlaylist.privacy === VideoPlaylistPrivacy.UNLISTED) {
@@ -140,8 +140,7 @@ const videoPlaylistsGetValidator = [
     if (videoPlaylist.privacy === VideoPlaylistPrivacy.PRIVATE) {
       await authenticatePromiseIfNeeded(req, res)
 
-      const user: UserModel = res.locals.oauth ? res.locals.oauth.token.User : null
-
+      const user = res.locals.oauth ? res.locals.oauth.token.User : null
       if (
         !user ||
         (videoPlaylist.OwnerAccount.userId !== user.id && !user.hasRight(UserRight.UPDATE_ANY_VIDEO_PLAYLIST))
@@ -177,8 +176,8 @@ const videoPlaylistsAddVideoValidator = [
     if (!await doesVideoPlaylistExist(req.params.playlistId, res, 'all')) return
     if (!await doesVideoExist(req.body.videoId, res, 'only-video')) return
 
-    const videoPlaylist: VideoPlaylistModel = res.locals.videoPlaylist
-    const video: VideoModel = res.locals.video
+    const videoPlaylist = res.locals.videoPlaylist
+    const video = res.locals.video
 
     const videoPlaylistElement = await VideoPlaylistElementModel.loadByPlaylistAndVideo(videoPlaylist.id, video.id)
     if (videoPlaylistElement) {
@@ -217,8 +216,8 @@ const videoPlaylistsUpdateOrRemoveVideoValidator = [
     if (!await doesVideoPlaylistExist(req.params.playlistId, res, 'all')) return
     if (!await doesVideoExist(req.params.videoId, res, 'id')) return
 
-    const videoPlaylist: VideoPlaylistModel = res.locals.videoPlaylist
-    const video: VideoModel = res.locals.video
+    const videoPlaylist = res.locals.videoPlaylist
+    const video = res.locals.video
 
     const videoPlaylistElement = await VideoPlaylistElementModel.loadByPlaylistAndVideo(videoPlaylist.id, video.id)
     if (!videoPlaylistElement) {
@@ -284,7 +283,7 @@ const videoPlaylistsReorderVideosValidator = [
 
     if (!await doesVideoPlaylistExist(req.params.playlistId, res, 'all')) return
 
-    const videoPlaylist: VideoPlaylistModel = res.locals.videoPlaylist
+    const videoPlaylist = res.locals.videoPlaylist
     if (!checkUserCanManageVideoPlaylist(res.locals.oauth.token.User, videoPlaylist, UserRight.UPDATE_ANY_VIDEO_PLAYLIST, res)) return
 
     const nextPosition = await VideoPlaylistElementModel.getNextPositionOf(videoPlaylist.id)
diff --git a/server/middlewares/validators/videos/video-shares.ts b/server/middlewares/validators/videos/video-shares.ts
index f4514f85c..d5cbdb03e 100644
--- a/server/middlewares/validators/videos/video-shares.ts
+++ b/server/middlewares/validators/videos/video-shares.ts
@@ -6,7 +6,6 @@ import { doesVideoExist } from '../../../helpers/custom-validators/videos'
 import { logger } from '../../../helpers/logger'
 import { VideoShareModel } from '../../../models/video/video-share'
 import { areValidationErrors } from '../utils'
-import { VideoModel } from '../../../models/video/video'
 
 const videosShareValidator = [
   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
@@ -18,7 +17,7 @@ const videosShareValidator = [
     if (areValidationErrors(req, res)) return
     if (!await doesVideoExist(req.params.id, res)) return
 
-    const video: VideoModel = res.locals.video
+    const video = res.locals.video
 
     const share = await VideoShareModel.load(req.params.actorId, video.id)
     if (!share) {
diff --git a/server/middlewares/validators/videos/video-watch.ts b/server/middlewares/validators/videos/video-watch.ts
index a3b70c0cc..a3a800d14 100644
--- a/server/middlewares/validators/videos/video-watch.ts
+++ b/server/middlewares/validators/videos/video-watch.ts
@@ -4,7 +4,6 @@ import { isIdOrUUIDValid } from '../../../helpers/custom-validators/misc'
 import { doesVideoExist } from '../../../helpers/custom-validators/videos'
 import { areValidationErrors } from '../utils'
 import { logger } from '../../../helpers/logger'
-import { UserModel } from '../../../models/account/user'
 
 const videoWatchingValidator = [
   param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
@@ -18,7 +17,7 @@ const videoWatchingValidator = [
     if (areValidationErrors(req, res)) return
     if (!await doesVideoExist(req.params.videoId, res, 'id')) return
 
-    const user = res.locals.oauth.token.User as UserModel
+    const user = res.locals.oauth.token.User
     if (user.videosHistoryEnabled === false) {
       logger.warn('Cannot set videos to watch by user %d: videos history is disabled.', user.id)
       return res.status(409).end()
diff --git a/server/middlewares/validators/videos/videos.ts b/server/middlewares/validators/videos/videos.ts
index 92218d4b1..b70abf429 100644
--- a/server/middlewares/validators/videos/videos.ts
+++ b/server/middlewares/validators/videos/videos.ts
@@ -130,7 +130,7 @@ const videosUpdateValidator = getCommonVideoEditAttributes().concat([
 ])
 
 async function checkVideoFollowConstraints (req: express.Request, res: express.Response, next: express.NextFunction) {
-  const video: VideoModel = res.locals.video
+  const video = res.locals.video
 
   // Anybody can watch local videos
   if (video.isOwned() === true) return next()
@@ -164,13 +164,13 @@ const videosCustomGetValidator = (fetchType: VideoFetchType) => {
       if (areValidationErrors(req, res)) return
       if (!await doesVideoExist(req.params.id, res, fetchType)) return
 
-      const video: VideoModel = res.locals.video
+      const video = res.locals.video
 
       // Video private or blacklisted
       if (video.privacy === VideoPrivacy.PRIVATE || video.VideoBlacklist) {
         await authenticatePromiseIfNeeded(req, res)
 
-        const user: UserModel = res.locals.oauth ? res.locals.oauth.token.User : null
+        const user = res.locals.oauth ? res.locals.oauth.token.User : null
 
         // Only the owner or a user that have blacklist rights can see the video
         if (
@@ -256,7 +256,7 @@ const videosTerminateChangeOwnershipValidator = [
     return next()
   },
   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
-    const videoChangeOwnership = res.locals.videoChangeOwnership as VideoChangeOwnershipModel
+    const videoChangeOwnership = res.locals.videoChangeOwnership
 
     if (videoChangeOwnership.status === VideoChangeOwnershipStatus.WAITING) {
       return next()
@@ -275,7 +275,7 @@ const videosAcceptChangeOwnershipValidator = [
     if (!await doesVideoChannelOfAccountExist(body.channelId, res.locals.oauth.token.User, res)) return
 
     const user = res.locals.oauth.token.User
-    const videoChangeOwnership = res.locals.videoChangeOwnership as VideoChangeOwnershipModel
+    const videoChangeOwnership = res.locals.videoChangeOwnership
     const isAble = await user.isAbleToUploadVideo(videoChangeOwnership.Video.getOriginalFile())
     if (isAble === false) {
       res.status(403)
@@ -395,7 +395,7 @@ const commonVideosFiltersValidator = [
 
     if (areValidationErrors(req, res)) return
 
-    const user: UserModel = res.locals.oauth ? res.locals.oauth.token.User : undefined
+    const user = res.locals.oauth ? res.locals.oauth.token.User : undefined
     if (req.query.filter === 'all-local' && (!user || user.hasRight(UserRight.SEE_ALL_VIDEOS) === false)) {
       res.status(401)
          .json({ error: 'You are not allowed to see all local videos.' })
diff --git a/server/typings/express.ts b/server/typings/express.ts
new file mode 100644
index 000000000..324d78662
--- /dev/null
+++ b/server/typings/express.ts
@@ -0,0 +1,82 @@
+import { VideoChannelModel } from '../models/video/video-channel'
+import { VideoPlaylistModel } from '../models/video/video-playlist'
+import { VideoPlaylistElementModel } from '../models/video/video-playlist-element'
+import { UserModel } from '../models/account/user'
+import { VideoModel } from '../models/video/video'
+import { AccountModel } from '../models/account/account'
+import { VideoChangeOwnershipModel } from '../models/video/video-change-ownership'
+import { ActorModel } from '../models/activitypub/actor'
+import { VideoCommentModel } from '../models/video/video-comment'
+import { VideoShareModel } from '../models/video/video-share'
+import { AccountVideoRateModel } from '../models/account/account-video-rate'
+import { ActorFollowModel } from '../models/activitypub/actor-follow'
+import { ServerModel } from '../models/server/server'
+import { VideoFileModel } from '../models/video/video-file'
+import { VideoRedundancyModel } from '../models/redundancy/video-redundancy'
+import { ServerBlocklistModel } from '../models/server/server-blocklist'
+import { AccountBlocklistModel } from '../models/account/account-blocklist'
+import { VideoImportModel } from '../models/video/video-import'
+import { VideoAbuseModel } from '../models/video/video-abuse'
+import { VideoBlacklistModel } from '../models/video/video-blacklist'
+import { VideoCaptionModel } from '../models/video/video-caption'
+import { VideoStreamingPlaylistModel } from '../models/video/video-streaming-playlist'
+
+declare module 'express' {
+
+  interface Response {
+    locals: {
+      video?: VideoModel
+      videoShare?: VideoShareModel
+      videoFile?: VideoFileModel
+
+      videoImport?: VideoImportModel
+
+      videoBlacklist?: VideoBlacklistModel
+
+      videoCaption?: VideoCaptionModel
+
+      videoAbuse?: VideoAbuseModel
+
+      videoStreamingPlaylist?: VideoStreamingPlaylistModel
+
+      videoChannel?: VideoChannelModel
+
+      videoPlaylist?: VideoPlaylistModel
+      videoPlaylistElement?: VideoPlaylistElementModel
+
+      accountVideoRate?: AccountVideoRateModel
+
+      videoComment?: VideoCommentModel
+      videoCommentThread?: VideoCommentModel
+
+      follow?: ActorFollowModel
+      subscription?: ActorFollowModel
+
+      nextOwner?: AccountModel
+      videoChangeOwnership?: VideoChangeOwnershipModel
+      account?: AccountModel
+      actor?: ActorModel
+      user?: UserModel
+
+      server?: ServerModel
+
+      videoRedundancy?: VideoRedundancyModel
+
+      accountBlock?: AccountBlocklistModel
+      serverBlock?: ServerBlocklistModel
+
+      oauth?: {
+        token: {
+          User: UserModel
+          user: UserModel
+        }
+      }
+
+      signature?: {
+        actor: ActorModel
+      }
+
+      authenticated?: boolean
+    }
+  }
+}
diff --git a/tsconfig.json b/tsconfig.json
index c84b179cf..5ad4b3e10 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -14,11 +14,7 @@
       "es2016",
       "es2017"
     ],
-    "types": [
-      "node",
-      "chai-xml",
-      "chai-json-schema"
-    ]
+    "typeRoots": [ "node_modules/@types", "server/typings" ]
   },
   "exclude": [
     "client/node_modules",