diff --git a/libraries/push/impl/src/main/kotlin/io/element/android/libraries/push/impl/notifications/NotificationDisplayer.kt b/libraries/push/impl/src/main/kotlin/io/element/android/libraries/push/impl/notifications/NotificationDisplayer.kt
index c8331ed8cd..2cb01ba2f7 100644
--- a/libraries/push/impl/src/main/kotlin/io/element/android/libraries/push/impl/notifications/NotificationDisplayer.kt
+++ b/libraries/push/impl/src/main/kotlin/io/element/android/libraries/push/impl/notifications/NotificationDisplayer.kt
@@ -17,6 +17,7 @@
 package io.element.android.libraries.push.impl.notifications
 
 import android.Manifest
+import android.annotation.SuppressLint
 import android.app.Notification
 import android.content.Context
 import android.content.pm.PackageManager
@@ -51,4 +52,36 @@ class NotificationDisplayer @Inject constructor(
             Timber.e(e, "## cancelAllNotifications() failed")
         }
     }
+
+    @SuppressLint("LaunchActivityFromNotification")
+    fun displayDiagnosticNotification(notification: Notification) {
+        showNotificationMessage(
+            tag = "DIAGNOSTIC",
+            id = NOTIFICATION_ID_DIAGNOSTIC,
+            notification = notification
+        )
+    }
+
+    /**
+     * Cancel the foreground notification service.
+     */
+    fun cancelNotificationForegroundService() {
+        notificationManager.cancel(NOTIFICATION_ID_FOREGROUND_SERVICE)
+    }
+
+    companion object {
+        /* ==========================================================================================
+         * IDs for notifications
+         * ========================================================================================== */
+
+        /**
+         * Identifier of the foreground notification used to keep the application alive
+         * when it runs in background.
+         * This notification, which is not removable by the end user, displays what
+         * the application is doing while in background.
+         */
+        private const val NOTIFICATION_ID_FOREGROUND_SERVICE = 61
+
+        private const val NOTIFICATION_ID_DIAGNOSTIC = 888
+    }
 }
diff --git a/libraries/push/impl/src/main/kotlin/io/element/android/libraries/push/impl/notifications/NotificationUtils.kt b/libraries/push/impl/src/main/kotlin/io/element/android/libraries/push/impl/notifications/NotificationUtils.kt
deleted file mode 100755
index 29cdff44db..0000000000
--- a/libraries/push/impl/src/main/kotlin/io/element/android/libraries/push/impl/notifications/NotificationUtils.kt
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Copyright (c) 2023 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.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-@file:Suppress("UNUSED_PARAMETER")
-
-package io.element.android.libraries.push.impl.notifications
-
-import android.Manifest
-import android.annotation.SuppressLint
-import android.content.Context
-import android.content.pm.PackageManager
-import androidx.core.app.ActivityCompat
-import androidx.core.app.NotificationManagerCompat
-import io.element.android.libraries.di.ApplicationContext
-import io.element.android.libraries.push.impl.notifications.factories.NotificationFactory
-import timber.log.Timber
-import javax.inject.Inject
-
-class NotificationUtils @Inject constructor(
-    @ApplicationContext private val context: Context,
-    private val notificationFactory: NotificationFactory,
-) {
-
-    companion object {
-        /* ==========================================================================================
-         * IDs for notifications
-         * ========================================================================================== */
-
-        /**
-         * Identifier of the foreground notification used to keep the application alive
-         * when it runs in background.
-         * This notification, which is not removable by the end user, displays what
-         * the application is doing while in background.
-         */
-        const val NOTIFICATION_ID_FOREGROUND_SERVICE = 61
-    }
-
-    private val notificationManager = NotificationManagerCompat.from(context)
-
-    /**
-     * Cancel the foreground notification service.
-     */
-    fun cancelNotificationForegroundService() {
-        notificationManager.cancel(NOTIFICATION_ID_FOREGROUND_SERVICE)
-    }
-
-    /**
-     * Cancel all the notification.
-     */
-    fun cancelAllNotifications() {
-        // Keep this try catch (reported by GA)
-        try {
-            notificationManager.cancelAll()
-        } catch (e: Exception) {
-            Timber.e(e, "## cancelAllNotifications() failed")
-        }
-    }
-
-    @SuppressLint("LaunchActivityFromNotification")
-    fun displayDiagnosticNotification() {
-        if (ActivityCompat.checkSelfPermission(context, Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
-            Timber.w("Not allowed to notify.")
-            return
-        }
-        notificationManager.notify(
-            "DIAGNOSTIC",
-            888,
-            notificationFactory.createDiagnosticNotification()
-        )
-    }
-}