diff --git a/app/src/main/kotlin/com/wire/android/notification/MessageNotificationManager.kt b/app/src/main/kotlin/com/wire/android/notification/MessageNotificationManager.kt
index a84de5e60ba..99f2de18724 100644
--- a/app/src/main/kotlin/com/wire/android/notification/MessageNotificationManager.kt
+++ b/app/src/main/kotlin/com/wire/android/notification/MessageNotificationManager.kt
@@ -59,6 +59,7 @@ class MessageNotificationManager
 
         addNotifications(newNotifications, userId, userName)
         updateNotifications(newNotifications, userId)
+        removeSeenNotifications(newNotifications, userId)
 
         appLogger.i("$TAG: handled notifications: newNotifications size ${newNotifications.size}; ")
     }
@@ -90,7 +91,20 @@ class MessageNotificationManager
 
         removeSummaryIfNeeded(userId)
 
-        appLogger.i("$TAG: added notifications: newNotifications size ${notificationsToUpdate.size}; ")
+        appLogger.i("$TAG: updated notifications: newNotifications size ${notificationsToUpdate.size}; ")
+    }
+
+    private fun removeSeenNotifications(newNotifications: List<LocalNotification>, userId: QualifiedID) {
+        val notificationsToUpdate: List<LocalNotification.ConversationSeen> = newNotifications
+            .filterIsInstance(LocalNotification.ConversationSeen::class.java)
+
+        notificationsToUpdate.groupBy { it.conversationId }.forEach { (conversationId, _) ->
+            hideNotification(conversationId, userId)
+        }
+
+        removeSummaryIfNeeded(userId)
+
+        appLogger.i("$TAG: removed ${notificationsToUpdate.size} notifications, it was seen;")
     }
 
     fun hideNotification(conversationsId: ConversationId, userId: QualifiedID) {
diff --git a/app/src/main/kotlin/com/wire/android/notification/Models.kt b/app/src/main/kotlin/com/wire/android/notification/Models.kt
index 2f28ed0a032..e5ef79d0c69 100644
--- a/app/src/main/kotlin/com/wire/android/notification/Models.kt
+++ b/app/src/main/kotlin/com/wire/android/notification/Models.kt
@@ -98,15 +98,13 @@ sealed class NotificationMessage(open val messageId: String, open val author: No
         override val author: NotificationMessageAuthor,
         override val time: Long,
         val authorId: String
-    ) :
-        NotificationMessage(messageId, author, time)
+    ) : NotificationMessage(messageId, author, time)
 
     data class ConversationDeleted(
         override val messageId: String,
         override val author: NotificationMessageAuthor,
         override val time: Long
-    ) :
-        NotificationMessage(messageId, author, time)
+    ) : NotificationMessage(messageId, author, time)
 }
 
 data class NotificationMessageAuthor(val name: String, val image: ByteArray?) {
@@ -157,6 +155,7 @@ fun LocalNotification.Conversation.intoNotificationConversation(): NotificationC
     )
 }
 
+@Suppress("LongMethod")
 fun LocalNotificationMessage.intoNotificationMessage(): NotificationMessage {
 
     val notificationMessageTime = time.toEpochMilliseconds()