diff --git a/src/plugins/qmakeprojectmanager/customwidgetwizard/customwidgetpluginwizardpage.cpp b/src/plugins/qmakeprojectmanager/customwidgetwizard/customwidgetpluginwizardpage.cpp
index cd314e0bc77..adea3a3a3d3 100644
--- a/src/plugins/qmakeprojectmanager/customwidgetwizard/customwidgetpluginwizardpage.cpp
+++ b/src/plugins/qmakeprojectmanager/customwidgetwizard/customwidgetpluginwizardpage.cpp
@@ -32,6 +32,12 @@
 namespace QmakeProjectManager {
 namespace Internal {
 
+// Determine name for Q_EXPORT_PLUGIN
+static inline QString createPluginName(const QString &prefix)
+{
+    return prefix.toLower() + QLatin1String("plugin");
+}
+
 CustomWidgetPluginWizardPage::CustomWidgetPluginWizardPage(QWidget *parent) :
     QWizardPage(parent),
     m_ui(new Ui::CustomWidgetPluginWizardPage),
@@ -39,8 +45,19 @@ CustomWidgetPluginWizardPage::CustomWidgetPluginWizardPage(QWidget *parent) :
     m_complete(false)
 {
     m_ui->setupUi(this);
-    connect(m_ui->collectionClassEdit, &QLineEdit::textEdited, this, &CustomWidgetPluginWizardPage::slotCheckCompleteness);
-    connect(m_ui->pluginNameEdit, &QLineEdit::textEdited, this, &CustomWidgetPluginWizardPage::slotCheckCompleteness);
+    connect(m_ui->collectionClassEdit, &QLineEdit::textEdited,
+            this, &CustomWidgetPluginWizardPage::slotCheckCompleteness);
+    connect(m_ui->collectionClassEdit, &QLineEdit::textChanged,
+            this, [this](const QString &collectionClass) {
+        m_ui->collectionHeaderEdit->setText(m_fileNamingParameters.headerFileName(collectionClass));
+        m_ui->pluginNameEdit->setText(createPluginName(collectionClass));
+    });
+    connect(m_ui->pluginNameEdit, &QLineEdit::textEdited,
+            this, &CustomWidgetPluginWizardPage::slotCheckCompleteness);
+    connect(m_ui->collectionHeaderEdit, &QLineEdit::textChanged,
+            this, [this](const QString &text) {
+        m_ui->collectionSourceEdit->setText(m_fileNamingParameters.headerToSourceFileName(text));
+    });
 
     setProperty(Utils::SHORT_TITLE_PROPERTY, tr("Plugin Details"));
 }
@@ -60,12 +77,6 @@ QString CustomWidgetPluginWizardPage::pluginName() const
     return m_ui->pluginNameEdit->text();
 }
 
-// Determine name for Q_EXPORT_PLUGIN
-static inline QString createPluginName(const QString &prefix)
-{
-    return prefix.toLower() + QLatin1String("plugin");
-}
-
 void CustomWidgetPluginWizardPage::init(const CustomWidgetWidgetsWizardPage *widgetsPage)
 {
     m_classCount = widgetsPage->classCount();
@@ -94,18 +105,6 @@ void CustomWidgetPluginWizardPage::setCollectionEnabled(bool enColl)
     m_ui->collectionSourceEdit->setEnabled(enColl);
 }
 
-void CustomWidgetPluginWizardPage::on_collectionClassEdit_textChanged()
-{
-    const QString collectionClass = collectionClassName();
-    m_ui->collectionHeaderEdit->setText(m_fileNamingParameters.headerFileName(collectionClass));
-    m_ui->pluginNameEdit->setText(createPluginName(collectionClass));
-}
-
-void CustomWidgetPluginWizardPage::on_collectionHeaderEdit_textChanged()
-{
-    m_ui->collectionSourceEdit->setText(m_fileNamingParameters.headerToSourceFileName(m_ui->collectionHeaderEdit->text()));
-}
-
 QSharedPointer<PluginOptions> CustomWidgetPluginWizardPage::basicPluginOptions() const
 {
     QSharedPointer<PluginOptions> po(new PluginOptions);
diff --git a/src/plugins/qmakeprojectmanager/customwidgetwizard/customwidgetpluginwizardpage.h b/src/plugins/qmakeprojectmanager/customwidgetwizard/customwidgetpluginwizardpage.h
index 38b8c9c7272..5a712dde3e4 100644
--- a/src/plugins/qmakeprojectmanager/customwidgetwizard/customwidgetpluginwizardpage.h
+++ b/src/plugins/qmakeprojectmanager/customwidgetwizard/customwidgetpluginwizardpage.h
@@ -56,12 +56,8 @@ public:
     // Fills the plugin fields, excluding widget list.
     QSharedPointer<PluginOptions> basicPluginOptions() const;
 
-private slots:
-    void on_collectionClassEdit_textChanged();
-    void on_collectionHeaderEdit_textChanged();
-    void slotCheckCompleteness();
-
 private:
+    void slotCheckCompleteness();
     inline QString collectionClassName() const;
     inline QString pluginName() const;
     void setCollectionEnabled(bool enColl);