diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/RoomMessageTouchHelperCallback.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/RoomMessageTouchHelperCallback.kt
index 41f386c606..25b2685ffb 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/RoomMessageTouchHelperCallback.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/RoomMessageTouchHelperCallback.kt
@@ -70,10 +70,10 @@ class RoomMessageTouchHelperCallback(private val context: Context,
     private val minShowDistance = convertToPx(20)
     private val triggerDelta = convertToPx(20)
 
-    override fun onSwiped(viewHolder: EpoxyViewHolder?, direction: Int) {
+    override fun onSwiped(viewHolder: EpoxyViewHolder, direction: Int) {
     }
 
-    override fun onMove(recyclerView: RecyclerView?, viewHolder: EpoxyViewHolder?, target: EpoxyViewHolder?): Boolean {
+    override fun onMove(recyclerView: RecyclerView, viewHolder: EpoxyViewHolder, target: EpoxyViewHolder): Boolean {
         return false
     }