diff --git a/rest_framework/static/rest_framework/css/bootstrap-tweaks.css b/rest_framework/static/rest_framework/css/bootstrap-tweaks.css
index 17085b49d..c2fcb303d 100644
--- a/rest_framework/static/rest_framework/css/bootstrap-tweaks.css
+++ b/rest_framework/static/rest_framework/css/bootstrap-tweaks.css
@@ -32,7 +32,6 @@ a single block in the template.
   position: fixed;
   left: 0;
   top: 0;
-  z-index: 3;
 }
 
 .navbar {