diff --git a/core/themes/classy/css/comment/comment.theme.css b/core/themes/classy/css/comment/comment.theme.css
index c702161..5bf107c 100644
--- a/core/themes/classy/css/comment/comment.theme.css
+++ b/core/themes/classy/css/comment/comment.theme.css
@@ -8,9 +8,5 @@
  * Indent threaded comments.
  */
 .indented {
-  margin-left: 25px; /* LTR */
-}
-[dir="rtl"] .indented {
-  margin-left: 0;
-  margin-right: 25px;
+  margin: 0 25px;
 }