diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index c20e14cf88..9912ca6b8f 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -795,7 +795,6 @@ pre code {
 }
 
 .nav-list > li:last-child > a {
-  border-radius: 0 0 6px 6px;
   border-bottom-right-radius: 4px;
   border-bottom-left-radius: 4px;
 }
diff --git a/less/navs.less b/less/navs.less
index c8fb40d86c..b1803b3b6d 100644
--- a/less/navs.less
+++ b/less/navs.less
@@ -38,7 +38,6 @@
   border-top-right-radius: @border-radius-base;
 }
 .nav-list > li:last-child > a {
-  border-radius: 0 0 6px 6px;
    border-bottom-left-radius: @border-radius-base;
   border-bottom-right-radius: @border-radius-base;
 }