diff --git a/kcm/qml/main.qml b/kcm/qml/main.qml
--- a/kcm/qml/main.qml
+++ b/kcm/qml/main.qml
@@ -83,6 +83,7 @@
         id: scrollView
 
         Component.onCompleted: scrollView.background.visible = true // show frame
+        QQC2.ScrollBar.horizontal.policy: QQC2.ScrollBar.AlwaysOff// have to hardcode this because of QTBUG-83890
 
         anchors {
             bottom: rightButtonRow.top