diff --git a/style/components/datepicker/Picker.less b/style/components/datepicker/Picker.less
index b697c38f81..d2a6f244c6 100644
--- a/style/components/datepicker/Picker.less
+++ b/style/components/datepicker/Picker.less
@@ -43,7 +43,4 @@
   &-container-open .@{calendar-prefix-cls} {
     display: block;
   }
-  &-open &-input {
-    .active();
-  }
 }