diff --git a/docs/assets/bootstrap.zip b/docs/assets/bootstrap.zip
index a9b2dba5a5..ea2ec758c8 100644
Binary files a/docs/assets/bootstrap.zip and b/docs/assets/bootstrap.zip differ
diff --git a/docs/assets/css/bootstrap-responsive.css b/docs/assets/css/bootstrap-responsive.css
index f00ec1de36..35e96bbcd0 100644
--- a/docs/assets/css/bootstrap-responsive.css
+++ b/docs/assets/css/bootstrap-responsive.css
@@ -285,7 +285,6 @@
   }
   .navbar-fixed-top .navbar-inner {
     padding: 5px;
-    background-image: none;
   }
   .navbar .container {
     width: auto;
diff --git a/less/responsive.less b/less/responsive.less
index 2956254386..0f45c0985e 100644
--- a/less/responsive.less
+++ b/less/responsive.less
@@ -181,7 +181,6 @@
   }
   .navbar-fixed-top .navbar-inner {
     padding: 5px;
-    background-image: none;
   }
   .navbar .container {
     width: auto;