diff --git a/plugins/appwizard/appwizarddialog.cpp b/plugins/appwizard/appwizarddialog.cpp
--- a/plugins/appwizard/appwizarddialog.cpp
+++ b/plugins/appwizard/appwizarddialog.cpp
@@ -11,6 +11,7 @@
 
 #include <QSignalMapper>
 #include <QDir>
+#include <QPushButton>
 
 #include <KLocalizedString>
 
@@ -25,7 +26,13 @@
     :KAssistantDialog(parent, flags)
 {
     setWindowTitle(i18n("Create New Project"));
-//     KDialog::showButton(Help, false);
+
+    // KAssistantDialog creates a help button by default, no option to prevent that
+    QPushButton *helpButton = button(QDialogButtonBox::Help);
+    if (helpButton) {
+        buttonBox()->removeButton(helpButton);
+        delete helpButton;
+    }
 
     m_selectionPage = new ProjectSelectionPage(templatesModel, this);
     m_vcsPage = new ProjectVcsPage( pluginController, this );
diff --git a/plugins/filetemplates/templateclassassistant.cpp b/plugins/filetemplates/templateclassassistant.cpp
--- a/plugins/filetemplates/templateclassassistant.cpp
+++ b/plugins/filetemplates/templateclassassistant.cpp
@@ -307,7 +307,13 @@
     d->templateSelectionPage->setIcon(QIcon::fromTheme(QStringLiteral("project-development-new-template")));
 
     d->dummyPage = addPage(new QWidget(this), QStringLiteral("Dummy Page"));
-//     showButton(QDialog::Help, false);
+
+    // KAssistantDialog creates a help button by default, no option to prevent that
+    QPushButton *helpButton = button(QDialogButtonBox::Help);
+    if (helpButton) {
+        buttonBox()->removeButton(helpButton);
+        delete helpButton;
+    }
 }
 
 void TemplateClassAssistant::templateChosen(const QString& templateDescription)
diff --git a/shell/openprojectdialog.cpp b/shell/openprojectdialog.cpp
--- a/shell/openprojectdialog.cpp
+++ b/shell/openprojectdialog.cpp
@@ -12,6 +12,7 @@
 #include "openprojectpage.h"
 #include "projectinfopage.h"
 
+#include <QPushButton>
 #include <QFileInfo>
 #include <QFileDialog>
 #include <QDebug>
@@ -76,6 +77,13 @@
 {
     resize(QSize(700, 500));
 
+    // KAssistantDialog creates a help button by default, no option to prevent that
+    auto helpButton = button(QDialogButtonBox::Help);
+    if (helpButton) {
+        buttonBox()->removeButton(helpButton);
+        delete helpButton;
+    }
+
     const bool useKdeFileDialog = qEnvironmentVariableIsSet("KDE_FULL_SESSION");
     QStringList filters, allEntry;
     QString filterFormat = useKdeFileDialog