diff --git a/vector/src/main/java/im/vector/app/features/call/webrtc/WebRtcCallManager.kt b/vector/src/main/java/im/vector/app/features/call/webrtc/WebRtcCallManager.kt
index 7f68a4bf5c..a2b82de0bb 100644
--- a/vector/src/main/java/im/vector/app/features/call/webrtc/WebRtcCallManager.kt
+++ b/vector/src/main/java/im/vector/app/features/call/webrtc/WebRtcCallManager.kt
@@ -26,9 +26,7 @@ import im.vector.app.features.call.VectorCallActivity
 import im.vector.app.features.call.audio.CallAudioManager
 import im.vector.app.features.call.utils.EglUtils
 import im.vector.app.push.fcm.FcmHelper
-import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.asCoroutineDispatcher
-import kotlinx.coroutines.launch
 import org.matrix.android.sdk.api.extensions.tryOrNull
 import org.matrix.android.sdk.api.session.Session
 import org.matrix.android.sdk.api.session.call.CallListener
@@ -81,7 +79,6 @@ class WebRtcCallManager @Inject constructor(
     val supportsPSTNProtocol: Boolean
         get() = supportedPSTNProtocol != null
 
-
     fun addPstnSupportListener(listener: PSTNSupportListener) {
         pstnProtocolChecker.addPstnSupportListener(listener)
     }
@@ -112,7 +109,6 @@ class WebRtcCallManager @Inject constructor(
     private val executor = Executors.newSingleThreadExecutor()
     private val dispatcher = executor.asCoroutineDispatcher()
 
-
     private val rootEglBase by lazy { EglUtils.rootEglBase }
 
     private var isInBackground: Boolean = true
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/ScrollOnNewMessageCallback.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/ScrollOnNewMessageCallback.kt
index dbe4c484ca..e7543278ab 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/ScrollOnNewMessageCallback.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/ScrollOnNewMessageCallback.kt
@@ -19,7 +19,6 @@ package im.vector.app.features.home.room.detail
 import androidx.recyclerview.widget.LinearLayoutManager
 import im.vector.app.core.platform.DefaultListUpdateCallback
 import im.vector.app.features.home.room.detail.timeline.TimelineEventController
-import im.vector.app.features.home.room.detail.timeline.item.BaseEventItem
 import im.vector.app.features.home.room.detail.timeline.item.IsEventItem
 import timber.log.Timber
 import java.util.concurrent.CopyOnWriteArrayList
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/TimelineItemFactory.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/TimelineItemFactory.kt
index 837d35d15f..18ffa995f8 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/TimelineItemFactory.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/TimelineItemFactory.kt
@@ -118,10 +118,9 @@ class TimelineItemFactory @Inject constructor(private val messageItemFactory: Me
         return (computedModel ?: buildEmptyItem(event))
     }
 
-    private fun buildEmptyItem(timelineEvent: TimelineEvent): TimelineEmptyItem{
+    private fun buildEmptyItem(timelineEvent: TimelineEvent): TimelineEmptyItem {
         return TimelineEmptyItem_()
                 .id(timelineEvent.localId)
                 .eventId(timelineEvent.eventId)
     }
-
 }
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/helper/TimelineControllerInterceptorHelper.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/helper/TimelineControllerInterceptorHelper.kt
index 591cd1b417..5eddedae2f 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/helper/TimelineControllerInterceptorHelper.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/helper/TimelineControllerInterceptorHelper.kt
@@ -20,7 +20,6 @@ import com.airbnb.epoxy.EpoxyModel
 import im.vector.app.features.call.webrtc.WebRtcCallManager
 import im.vector.app.features.home.room.detail.UnreadState
 import im.vector.app.features.home.room.detail.timeline.TimelineEventController
-import im.vector.app.features.home.room.detail.timeline.item.BaseEventItem
 import com.airbnb.epoxy.VisibilityState
 import im.vector.app.features.home.room.detail.timeline.item.CallTileTimelineItem
 import im.vector.app.features.settings.VectorPreferences
@@ -32,7 +31,6 @@ import im.vector.app.features.home.room.detail.timeline.item.IsEventItem
 import timber.log.Timber
 import kotlin.reflect.KMutableProperty0
 
-
 private const val DEFAULT_PREFETCH_THRESHOLD = 30
 
 class TimelineControllerInterceptorHelper(private val positionOfReadMarker: KMutableProperty0<Int?>,
@@ -130,7 +128,7 @@ class TimelineControllerInterceptorHelper(private val positionOfReadMarker: KMut
         }
     }
 
-    private fun MutableList<EpoxyModel<*>>.addForwardPrefetchIfNeeded(timeline: Timeline?,callback: TimelineEventController.Callback?) {
+    private fun MutableList<EpoxyModel<*>>.addForwardPrefetchIfNeeded(timeline: Timeline?, callback: TimelineEventController.Callback?) {
         val shouldAddForwardPrefetch = timeline?.hasMoreToLoad(Timeline.Direction.FORWARDS) ?: false
         if (shouldAddForwardPrefetch) {
             val indexOfPrefetchForward = DEFAULT_PREFETCH_THRESHOLD.coerceAtMost(size - 1)
@@ -152,5 +150,4 @@ class TimelineControllerInterceptorHelper(private val positionOfReadMarker: KMut
             }
         }
     }
-
 }