diff --git a/resources/assets/less/metager/static-pages.less b/resources/assets/less/metager/static-pages.less
index caf482d6924d3b56416301b3b835570426f7ee3c..500ba29653fad44b11f4ec5294e3cda1f6922487 100644
--- a/resources/assets/less/metager/static-pages.less
+++ b/resources/assets/less/metager/static-pages.less
@@ -106,16 +106,6 @@ ul.metager-dropdown-menu {
     background-clip: padding-box;
     max-height: 0px;
     overflow: hidden;
-    -webkit-transition: max-height 1s ease, padding 1s ease;
-    -moz-transition: max-height 1s ease, padding 1s ease;
-    -ms-transition: max-height 1s ease, padding 1s ease;
-    -o-transition: max-height 1s ease, padding 1s ease;
-    transition: max-height 1s ease, padding 1s ease;
-    -webkit-transition-delay: .2s;
-    -moz-transition-delay: .2s;
-    -ms-transition-delay: .2s;
-    -o-transition-delay: .2s;
-    transition-delay: .2s;
     &>li>a {
         display: block;
         padding: 3px 20px;
@@ -220,7 +210,6 @@ ul.metager-dropdown-menu {
         width: 100%;
         max-height: 40px;
         overflow: hidden;
-        transition: max-height 1s ease;
     }
     #metager-static-nav-list:target {
         max-height: 1000px;