diff --git a/less/mixins.less b/less/mixins.less
index df515f39ac..23070a282d 100644
--- a/less/mixins.less
+++ b/less/mixins.less
@@ -19,8 +19,8 @@
 .clearfix() {
   &:before,
   &:after {
-    content: " "; /* 1 */
-    display: table; /* 2 */
+    content: " "; // 1
+    display: table; // 2
   }
   &:after {
     clear: both;