Ah it was used in Gplay variant. Anyway I think we can still remove this now.

vector/src/gplay/java/im/vector/app/gplay/push/fcm/VectorFirebaseMessagingService.kt

@@ -1,15 +1,12 @@
 /*
  * Copyright 2019 New Vector Ltd
  *
- *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
- *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -32,7 +29,6 @@ import im.vector.app.BuildConfig
 import im.vector.app.core.di.ActiveSessionHolder
 import im.vector.app.core.network.WifiDetector
 import im.vector.app.core.pushers.PushersManager
-import im.vector.app.features.badge.BadgeProxy
 import im.vector.app.features.notifications.NotifiableEventResolver
 import im.vector.app.features.notifications.NotificationDrawerManager
 import im.vector.app.features.notifications.NotificationUtils
@@ -152,10 +148,6 @@ class VectorFirebaseMessagingService : FirebaseMessagingService() {
                 Timber.tag(loggerTag.value).d("## onMessageReceivedInternal()")
             }
 
-            // update the badge counter
-            val unreadCount = data["unread"]?.let { Integer.parseInt(it) } ?: 0
-            BadgeProxy.updateBadgeCount(applicationContext, unreadCount)
-
             val session = activeSessionHolder.getSafeActiveSession()
 
             if (session == null) {