diff --git a/res/css/_common.pcss b/res/css/_common.pcss
index d847381077..79dd8218f2 100644
--- a/res/css/_common.pcss
+++ b/res/css/_common.pcss
@@ -638,15 +638,6 @@ legend {
     overflow-y: hidden;
 }
 
-.mx_DialogDesignChanges_wrapper .mx_Dialog_fixedWidth {
-    max-width: 636px; /* match splash image width */
-
-    .mx_AccessibleButton_kind_link {
-        font-size: inherit;
-        padding: 0;
-    }
-}
-
 /* TODO: Review mx_GeneralButton usage to see if it can use a different class */
 /* These classes were brought in from the old UserSettings and are included here to avoid */
 /* breaking the app. */