diff --git a/components/form/style/index.less b/components/form/style/index.less
index 282de0f62d..ff5d705c4f 100644
--- a/components/form/style/index.less
+++ b/components/form/style/index.less
@@ -280,7 +280,6 @@ form {
   line-height: @line-height-base;
 
   label:after {
-    content: '';
     display: none;
   }
 }