diff --git a/core/themes/claro/css/base/elements.css b/core/themes/claro/css/base/elements.css
index d09088fd0845af288dcdc2bd5e813494a9e77498..b341a565cf0c62d3fed0b50b88f8ed4c56dab3d4 100644
--- a/core/themes/claro/css/base/elements.css
+++ b/core/themes/claro/css/base/elements.css
@@ -205,16 +205,6 @@ ol {
   padding: 0;
 }
 
-/**
- * Fix duplicate border caused by normalize.css adding border-bottom without
- * removing the text-decoration.
- */
-
-abbr[title] {
-  -webkit-text-decoration: none;
-  text-decoration: none;
-}
-
 code {
   margin: 0.5em 0;
 }
diff --git a/core/themes/claro/css/base/elements.pcss.css b/core/themes/claro/css/base/elements.pcss.css
index 709e94cb52e19a4eeb15fdf616689eeef47345de..746dd678a66134d33dcc1ee9fc832e078189c376 100644
--- a/core/themes/claro/css/base/elements.pcss.css
+++ b/core/themes/claro/css/base/elements.pcss.css
@@ -167,14 +167,6 @@ ol {
   padding: 0;
 }
 
-/**
- * Fix duplicate border caused by normalize.css adding border-bottom without
- * removing the text-decoration.
- */
-abbr[title] {
-  text-decoration: none;
-}
-
 code {
   margin: 0.5em 0;
 }