diff --git a/components/date-picker/style/TimePicker.less b/components/date-picker/style/TimePicker.less
index 17fa6ce3df..42d381b7f5 100644
--- a/components/date-picker/style/TimePicker.less
+++ b/components/date-picker/style/TimePicker.less
@@ -126,7 +126,6 @@
   .@{calendar-prefix-cls}-footer {
     position: relative;
     height: auto;
-    line-height: auto;
 
     &-btn {
       text-align: right;