diff --git a/applets/notifications/package/contents/ui/main.qml b/applets/notifications/package/contents/ui/main.qml
--- a/applets/notifications/package/contents/ui/main.qml
+++ b/applets/notifications/package/contents/ui/main.qml
@@ -133,7 +133,8 @@
     }
 
     function action_clearNotifications() {
-        notifications.clearNotifications()
+        notifications.clearNotifications();
+        notifications.clearHistory();
     }
 
     function action_notificationskcm() {
@@ -144,7 +145,7 @@
         plasmoid.setAction("clearNotifications", i18n("Clear Notifications"), "edit-clear")
         var clearAction = plasmoid.action("clearNotifications");
         clearAction.visible = Qt.binding(function() {
-            return notificationsApplet.notifications && notificationsApplet.notifications.count > 0
+            return notificationsApplet.notifications && (notificationsApplet.notifications.count > 0 || notificationsApplet.notifications.historyCount > 0);
         })
 
         if (KCMShell.authorize("kcmnotify.desktop").length > 0) {