diff --git a/app/controllers/Account.scala b/app/controllers/Account.scala
index a2529c65fded..2ddc867c348f 100644
--- a/app/controllers/Account.scala
+++ b/app/controllers/Account.scala
@@ -120,7 +120,7 @@ final class Account(
     negotiateJson(
       env.pref.api.get(me).map { prefs =>
         Ok:
-          lila.common.LightUser.lightUserWrites.writes(me.light) ++ Json.obj(
+          lila.common.LightUser.write(me.light) ++ Json.obj(
             "coach" -> isGranted(_.Coach),
             "prefs" -> lila.pref.JsonView.write(prefs, lichobileCompat = false)
           )
diff --git a/app/controllers/Api.scala b/app/controllers/Api.scala
index 8f20994b80ef..653e0e312652 100644
--- a/app/controllers/Api.scala
+++ b/app/controllers/Api.scala
@@ -70,8 +70,8 @@ final class Api(
     env.user.lightUserApi asyncMany ids dmap (_.flatten) flatMap { users =>
       val streamingIds = env.streamer.liveStreamApi.userIds
       def toJson(u: LightUser) =
-        LightUser.lightUserWrites
-          .writes(u)
+        LightUser
+          .write(u)
           .add("online" -> env.socket.isOnline(u.id))
           .add("playing" -> env.round.playing(u.id))
           .add("streaming" -> streamingIds(u.id))
diff --git a/app/controllers/Msg.scala b/app/controllers/Msg.scala
index ff9b7ec3ab76..e69d26eaade4 100644
--- a/app/controllers/Msg.scala
+++ b/app/controllers/Msg.scala
@@ -3,7 +3,6 @@ package controllers
 import play.api.libs.json.*
 
 import lila.app.{ given, * }
-import lila.common.LightUser.lightUserWrites
 
 final class Msg(env: Env) extends LilaController(env):
 
@@ -84,7 +83,7 @@ final class Msg(env: Env) extends LilaController(env):
   private def inboxJson(using me: Me) =
     env.msg.api.myThreads flatMap env.msg.json.threads map { threads =>
       Json.obj(
-        "me"       -> lightUserWrites.writes(me.light).add("bot" -> me.isBot),
+        "me"       -> lila.common.LightUser.write(me.light).add("bot" -> me.isBot),
         "contacts" -> threads
       )
     }
diff --git a/app/controllers/Streamer.scala b/app/controllers/Streamer.scala
index 54faf1dc4fef..32b898d3c088 100644
--- a/app/controllers/Streamer.scala
+++ b/app/controllers/Streamer.scala
@@ -47,7 +47,7 @@ final class Streamer(env: Env, apiC: => Api) extends LilaController(env):
       users <- env.user.lightUserApi asyncManyFallback s.streams.map(_.streamer.userId)
     yield apiC.toApiResult:
       (s.streams zip users).map: (stream, user) =>
-        lila.common.LightUser.lightUserWrites.writes(user) ++
+        lila.common.LightUser.write(user) ++
           lila.streamer.Stream.toJson(env.memo.picfitUrl, stream)
 
   def show(username: UserStr) = Open:
diff --git a/app/controllers/User.scala b/app/controllers/User.scala
index 5e935ef1812d..608a58814a43 100644
--- a/app/controllers/User.scala
+++ b/app/controllers/User.scala
@@ -569,8 +569,8 @@ final class User(
               lightUserApi.asyncMany(userIds) map { users =>
                 Json.obj(
                   "result" -> JsArray(users collect { case Some(u) =>
-                    lila.common.LightUser.lightUserWrites
-                      .writes(u)
+                    lila.common.LightUser
+                      .write(u)
                       .add("online" -> env.socket.isOnline(u.id))
                   })
                 )
diff --git a/app/views/insight.scala b/app/views/insight.scala
index 244f58df125e..cc7a9fede5c3 100644
--- a/app/views/insight.scala
+++ b/app/views/insight.scala
@@ -31,7 +31,7 @@ object insight:
             "initialQuestion" -> question,
             "i18n"            -> Json.obj(),
             "myUserId"        -> ctx.userId,
-            "user" -> (lila.common.LightUser.lightUserWrites.writes(u.light) ++ Json.obj(
+            "user" -> (lila.common.LightUser.write(u.light) ++ Json.obj(
               "nbGames" -> insightUser.count,
               "stale"   -> stale,
               "shareId" -> prefId
diff --git a/modules/common/src/main/LightUser.scala b/modules/common/src/main/LightUser.scala
index f0facec6b480..ad40ff2a6e64 100644
--- a/modules/common/src/main/LightUser.scala
+++ b/modules/common/src/main/LightUser.scala
@@ -23,15 +23,14 @@ object LightUser:
 
   given UserIdOf[LightUser] = _.id
 
-  given lightUserWrites: OWrites[LightUser] = OWrites: u =>
-    writeNoId(u) + ("id" -> JsString(u.id.value))
-
-  def writeNoId(u: LightUser): JsObject =
-    Json
-      .obj("name" -> u.name)
-      .add("title" -> u.title)
-      .add("flair" -> u.flair)
-      .add("patron" -> u.isPatron)
+  given lightUserWrites: OWrites[LightUser] = OWrites(write)
+
+  def write(u: LightUser): JsObject = writeNoId(u) + ("id" -> JsString(u.id.value))
+  def writeNoId(u: LightUser): JsObject = Json
+    .obj("name" -> u.name)
+    .add("title" -> u.title)
+    .add("flair" -> u.flair)
+    .add("patron" -> u.isPatron)
 
   def fallback(name: UserName) = LightUser(
     id = name.id,
diff --git a/modules/msg/src/main/MsgCompat.scala b/modules/msg/src/main/MsgCompat.scala
index cc27b2026063..007eed659386 100644
--- a/modules/msg/src/main/MsgCompat.scala
+++ b/modules/msg/src/main/MsgCompat.scala
@@ -115,7 +115,7 @@ final class MsgCompat(
   private case class ThreadData(user: UserStr, subject: String, text: String)
 
   private def renderUser(user: LightUser) =
-    LightUser.lightUserWrites.writes(user) ++ Json.obj(
+    LightUser.write(user) ++ Json.obj(
       "online"   -> isOnline(user.id),
       "username" -> user.name // for mobile app BC
     )
diff --git a/modules/round/src/main/RoundMobileSocket.scala b/modules/round/src/main/RoundMobileSocket.scala
index 5ebe39751348..5ff114bc1107 100644
--- a/modules/round/src/main/RoundMobileSocket.scala
+++ b/modules/round/src/main/RoundMobileSocket.scala
@@ -9,7 +9,6 @@ import lila.common.{ Bus, Preload, ApiVersion }
 import lila.socket.Socket
 import lila.common.LightUser
 import lila.common.Json.given
-import LightUser.lightUserWrites
 import chess.{ Color, ByColor }
 import lila.pref.Pref
 import lila.chat.Chat
diff --git a/modules/round/src/main/TvBroadcast.scala b/modules/round/src/main/TvBroadcast.scala
index 1af2477ca698..7061e15a647c 100644
--- a/modules/round/src/main/TvBroadcast.scala
+++ b/modules/round/src/main/TvBroadcast.scala
@@ -59,7 +59,7 @@ final private class TvBroadcast(
             val user = p.userId.flatMap(lightUserSync)
             Json
               .obj("color" -> p.color.name)
-              .add("user" -> user.map(LightUser.lightUserWrites.writes))
+              .add("user" -> user.map(LightUser.write))
               .add("ai" -> p.aiLevel)
               .add("rating" -> p.rating)
               .add("seconds" -> pov.game.clock.map(_.remainingTime(pov.color).roundSeconds))
diff --git a/ui/tournament/src/view/arena.ts b/ui/tournament/src/view/arena.ts
index 31b8a2742d18..72ba55a8dcad 100644
--- a/ui/tournament/src/view/arena.ts
+++ b/ui/tournament/src/view/arena.ts
@@ -69,15 +69,14 @@ function playerTr(ctrl: TournamentController, player: StandingPlayer) {
   );
 }
 
-function podiumUsername(p: PodiumPlayer) {
-  return h(
+const podiumUsername = (p: PodiumPlayer) =>
+  h(
     'a.text.ulpt.user-link',
     {
       attrs: { href: '/@/' + p.name },
     },
     playerName(p),
   );
-}
 
 function podiumStats(p: PodiumPlayer, berserkable: boolean, ctrl: TournamentController): VNode {
   const noarg = ctrl.trans.noarg,