diff --git a/app/assets/stylesheets/repository/filters.scss b/app/assets/stylesheets/repository/filters.scss
index 1334d223a..7b01aa4e9 100644
--- a/app/assets/stylesheets/repository/filters.scss
+++ b/app/assets/stylesheets/repository/filters.scss
@@ -52,11 +52,21 @@
     min-height: 300px;
     padding: 0;
 
-    .dropdown-selector,
     .users-filter-dropdown {
       overflow: hidden;
     }
 
+    .dropdown-selector {
+      .ps__rail-x,
+      .ps__rail-x::after,
+      .ps__rail-x::before,
+      .ps__rail-y,
+      .ps__rail-y::after,
+      .ps__rail-y::before {
+        background-color: transparent !important;
+      }
+    }
+
     .header {
       align-items: center;
       display: flex;