diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index 9f313a9e1f..4a66eb66d2 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -1223,7 +1223,6 @@ select[readonly],
 textarea[readonly] {
   cursor: not-allowed;
   background-color: #eeeeee;
-  border-color: #ddd;
 }
 
 input[type="radio"][disabled],
diff --git a/less/forms.less b/less/forms.less
index a30cc3fcff..63ee05751a 100644
--- a/less/forms.less
+++ b/less/forms.less
@@ -306,7 +306,6 @@ select[readonly],
 textarea[readonly] {
   cursor: not-allowed;
   background-color: @inputDisabledBackground;
-  border-color: #ddd;
 }
 // Explicitly reset the colors here
 input[type="radio"][disabled],