diff --git a/res/css/views/rooms/_RoomHeader.scss b/res/css/views/rooms/_RoomHeader.scss
index 969106c9ea..80f6c40f39 100644
--- a/res/css/views/rooms/_RoomHeader.scss
+++ b/res/css/views/rooms/_RoomHeader.scss
@@ -173,8 +173,6 @@ limitations under the License.
 
 .mx_RoomHeader_avatar {
     flex: 0;
-    width: 28px;
-    height: 28px;
     margin: 0 7px;
     position: relative;
 }