diff --git a/res/css/structures/_RoomView.scss b/res/css/structures/_RoomView.scss
index 8e47fe7509..50d412ad58 100644
--- a/res/css/structures/_RoomView.scss
+++ b/res/css/structures/_RoomView.scss
@@ -221,7 +221,6 @@ hr.mx_RoomView_myReadMarker {
     position: relative;
     top: -1px;
     z-index: 1;
-    transition: width 1s easeInSine;
 }
 
 .mx_RoomView_callStatusBar .mx_UploadBar_uploadProgressInner {