diff --git a/kcms/fonts/fonts.cpp b/kcms/fonts/fonts.cpp
--- a/kcms/fonts/fonts.cpp
+++ b/kcms/fonts/fonts.cpp
@@ -442,7 +442,7 @@
     about->addAuthor(i18n("Antonis Tsiapaliokas"), QString(), "antonis.tsiapaliokas@kde.org");
     setAboutData(about);
     qmlRegisterType<QStandardItemModel>();
-    setButtons(Apply | Default);
+    setButtons(Apply | Default | Help);
 
     auto updateState = [this]() {
         setNeedsSave(m_fontAASettings->needsSave());
diff --git a/kcms/launch/package/contents/ui/main.qml b/kcms/launch/package/contents/ui/main.qml
--- a/kcms/launch/package/contents/ui/main.qml
+++ b/kcms/launch/package/contents/ui/main.qml
@@ -26,6 +26,7 @@
     id: root
 
     ConfigModule.quickHelp: i18n("Launch Feedback")
+    ConfigModule.buttons: ConfigModule.Help | ConfigModule.Defaults | ConfigModule.Apply
 
     function applyBusyCursorCurrentIndex() {
         if (kcm.busyCursorCurrentIndex == 0) {
diff --git a/kcms/translations/package/contents/ui/main.qml b/kcms/translations/package/contents/ui/main.qml
--- a/kcms/translations/package/contents/ui/main.qml
+++ b/kcms/translations/package/contents/ui/main.qml
@@ -29,6 +29,7 @@
     id: root
 
     ConfigModule.quickHelp: i18n("Language")
+    ConfigModule.buttons: ConfigModule.Help | ConfigModule.Defaults | ConfigModule.Apply
 
     Component {
         id: addLanguageItemComponent
diff --git a/kcms/workspaceoptions/package/contents/ui/main.qml b/kcms/workspaceoptions/package/contents/ui/main.qml
--- a/kcms/workspaceoptions/package/contents/ui/main.qml
+++ b/kcms/workspaceoptions/package/contents/ui/main.qml
@@ -19,13 +19,15 @@
 import QtQuick.Controls 2.4 as Controls
 import QtQuick.Layouts 1.3 as Layouts
 import org.kde.kirigami 2.4 as Kirigami
-import org.kde.kcm 1.1 as KCM
+import org.kde.kcm 1.2 as KCM
 
 import org.kde.plasma.core 2.0 as PlasmaCore
 
 KCM.SimpleKCM {
     id: root
 
+    KCM.ConfigModule.buttons: KCM.ConfigModule.Help | KCM.ConfigModule.Defaults | KCM.ConfigModule.Apply
+
     Kirigami.FormLayout {
         id: formLayout