diff --git a/assets/css/backend.scss b/assets/css/backend.scss
index 17f34f86..84c38e1d 100644
--- a/assets/css/backend.scss
+++ b/assets/css/backend.scss
@@ -322,13 +322,6 @@ body legend {
     margin-bottom: 0;
 }
 
-#calendar-page #calendar-filter .form-control {
-    background-color: #fff;
-    padding: 0 10px;
-    background-position-x: 95%;
-    margin-bottom: 10px;
-}
-
 #calendar-page #calendar-filter select:disabled {
     background: white;
     cursor: auto;