diff --git a/res/css/views/dialogs/_RebrandDialog.scss b/res/css/views/dialogs/_RebrandDialog.scss
index cd100a7c5e..6c916e0f1d 100644
--- a/res/css/views/dialogs/_RebrandDialog.scss
+++ b/res/css/views/dialogs/_RebrandDialog.scss
@@ -50,7 +50,7 @@ limitations under the License.
     height: 64px;
 }
 
-.mx_RebrandDialog_chevron:after {
+.mx_RebrandDialog_chevron::after {
     content: '';
     display: inline-block;
     width: 24px;
diff --git a/res/css/views/rooms/_EventTile.scss b/res/css/views/rooms/_EventTile.scss
index 6e2dc17727..844ba1981e 100644
--- a/res/css/views/rooms/_EventTile.scss
+++ b/res/css/views/rooms/_EventTile.scss
@@ -339,9 +339,7 @@ $left-gutter: 64px;
     opacity: 0.2;
     background-repeat: no-repeat;
     background-size: contain;
-}
 
-.mx_EventTile_e2eIcon {
     &::before, &::after {
         content: "";
         display: block;
diff --git a/res/css/views/rooms/_RoomSublist2.scss b/res/css/views/rooms/_RoomSublist2.scss
index 18eaa5747c..77a762b4d8 100644
--- a/res/css/views/rooms/_RoomSublist2.scss
+++ b/res/css/views/rooms/_RoomSublist2.scss
@@ -203,7 +203,7 @@ limitations under the License.
             display: flex;
             flex-direction: column;
 
-            mask-image: linear-gradient(0deg, transparent, black 4px)
+            mask-image: linear-gradient(0deg, transparent, black 4px);
         }
 
         .mx_RoomSublist2_resizerHandles_showNButton {