diff --git a/core/themes/claro/css/base/elements.css b/core/themes/claro/css/base/elements.css
index bb875fa6a9602c2dc1d8f3d890fc51776554687d..4a8ccc64ac30b6855eda0bc03432320488cc22b6 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 9d2cda3c20d78ae109ccdffaf3ab0354625647a3..1df9cb0e7cbebbbe76fc8c688701db5c1766f298 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;
 }