diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index 7603b7a1c7fbfd6e975e2884feafe02c66cc4af3..c5ffe7c15672884e0348a5e6ecb4b8d43f6938dd 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -4823,10 +4823,6 @@ input[type="submit"].btn.btn-mini {
   *z-index: 2050;
 }
 
-.modal-open .popover {
-  z-index: 2060;
-}
-
 .modal-open .tooltip {
   z-index: 2080;
 }