diff --git a/core/modules/system/css/system.theme.css b/core/modules/system/css/system.theme.css
index d3c52a3..13cb419 100644
--- a/core/modules/system/css/system.theme.css
+++ b/core/modules/system/css/system.theme.css
@@ -110,6 +110,9 @@ abbr.form-required, abbr.tabledrag-changed, abbr.ajax-changed {
 .container-inline label:after {
   content: ':';
 }
+.container-inline label.option:after {
+  content: none;
+}
 .container-inline .form-actions,
 .container-inline.form-actions {
   margin-top: 0;