diff --git a/plugins/appwizard/appwizarddialog.h b/plugins/appwizard/appwizarddialog.h
--- a/plugins/appwizard/appwizarddialog.h
+++ b/plugins/appwizard/appwizarddialog.h
@@ -44,7 +44,7 @@
 Q_OBJECT
 public:
     AppWizardDialog( KDevelop::IPluginController*, ProjectTemplatesModel*,
-                     QWidget *parent = nullptr, Qt::WindowFlags flags = nullptr);
+                     QWidget *parent = nullptr);
 
     ApplicationInfo appInfo() const;
 
diff --git a/plugins/appwizard/appwizarddialog.cpp b/plugins/appwizard/appwizarddialog.cpp
--- a/plugins/appwizard/appwizarddialog.cpp
+++ b/plugins/appwizard/appwizarddialog.cpp
@@ -21,8 +21,8 @@
 #include "projectselectionpage.h"
 #include "projectvcspage.h"
 
-AppWizardDialog::AppWizardDialog(KDevelop::IPluginController* pluginController, ProjectTemplatesModel* templatesModel, QWidget *parent, Qt::WindowFlags flags)
-    :KAssistantDialog(parent, flags)
+AppWizardDialog::AppWizardDialog(KDevelop::IPluginController* pluginController, ProjectTemplatesModel* templatesModel, QWidget *parent)
+    : KAssistantDialog(parent)
 {
     setWindowTitle(i18n("Create New Project"));
 
diff --git a/plugins/externalscript/editexternalscript.h b/plugins/externalscript/editexternalscript.h
--- a/plugins/externalscript/editexternalscript.h
+++ b/plugins/externalscript/editexternalscript.h
@@ -33,7 +33,7 @@
   Q_OBJECT
 
 public:
-  explicit EditExternalScript( ExternalScriptItem* item, QWidget* parent = nullptr, Qt::WindowFlags flags = nullptr );
+  explicit EditExternalScript(ExternalScriptItem* item, QWidget* parent = nullptr);
   ~EditExternalScript() override;
 
 private slots:
diff --git a/plugins/externalscript/editexternalscript.cpp b/plugins/externalscript/editexternalscript.cpp
--- a/plugins/externalscript/editexternalscript.cpp
+++ b/plugins/externalscript/editexternalscript.cpp
@@ -29,8 +29,9 @@
 #include <KLocalizedString>
 #include <KShell>
 
-EditExternalScript::EditExternalScript( ExternalScriptItem* item, QWidget* parent, Qt::WindowFlags flags )
-    : QDialog( parent, flags ), m_item( item )
+EditExternalScript::EditExternalScript(ExternalScriptItem* item, QWidget* parent)
+    : QDialog(parent)
+    , m_item(item)
 {
   setupUi(this);
 
diff --git a/plugins/filetemplates/templateoptionspage.h b/plugins/filetemplates/templateoptionspage.h
--- a/plugins/filetemplates/templateoptionspage.h
+++ b/plugins/filetemplates/templateoptionspage.h
@@ -55,7 +55,7 @@
      * @param parent the parent template class assistant
      * @param f window flags, passed to QWidget
      **/
-    explicit TemplateOptionsPage(QWidget* parent, Qt::WindowFlags f = nullptr);
+    explicit TemplateOptionsPage(QWidget* parent);
     /**
      * Destructor
      **/
diff --git a/plugins/filetemplates/templateoptionspage.cpp b/plugins/filetemplates/templateoptionspage.cpp
--- a/plugins/filetemplates/templateoptionspage.cpp
+++ b/plugins/filetemplates/templateoptionspage.cpp
@@ -46,8 +46,8 @@
     QList<QWidget*> groupBoxes;
 };
 
-TemplateOptionsPage::TemplateOptionsPage(QWidget* parent, Qt::WindowFlags f)
-: QWidget(parent, f)
+TemplateOptionsPage::TemplateOptionsPage(QWidget* parent)
+: QWidget(parent)
 , d(new TemplateOptionsPagePrivate)
 {
     d->firstEditWidget = nullptr;
diff --git a/plugins/filetemplates/templatepreview.h b/plugins/filetemplates/templatepreview.h
--- a/plugins/filetemplates/templatepreview.h
+++ b/plugins/filetemplates/templatepreview.h
@@ -49,7 +49,7 @@
 {
     Q_OBJECT
 public:
-    explicit TemplatePreview(QWidget* parent, Qt::WindowFlags f = nullptr);
+    explicit TemplatePreview(QWidget* parent);
     ~TemplatePreview() override;
 
     /**
diff --git a/plugins/filetemplates/templatepreview.cpp b/plugins/filetemplates/templatepreview.cpp
--- a/plugins/filetemplates/templatepreview.cpp
+++ b/plugins/filetemplates/templatepreview.cpp
@@ -87,8 +87,8 @@
 
 }
 
-TemplatePreview::TemplatePreview(QWidget* parent, Qt::WindowFlags f)
-: QWidget(parent, f)
+TemplatePreview::TemplatePreview(QWidget* parent)
+    : QWidget(parent)
 {
     m_variables[QStringLiteral("APPNAME")] = QStringLiteral("Example");
     m_variables[QStringLiteral("APPNAMELC")] = QStringLiteral("example");
diff --git a/plugins/filetemplates/templatepreviewtoolview.h b/plugins/filetemplates/templatepreviewtoolview.h
--- a/plugins/filetemplates/templatepreviewtoolview.h
+++ b/plugins/filetemplates/templatepreviewtoolview.h
@@ -47,7 +47,7 @@
     Q_OBJECT
 
 public:
-    explicit TemplatePreviewToolView(FileTemplatesPlugin* plugin, QWidget* parent, Qt::WindowFlags f = nullptr);
+    explicit TemplatePreviewToolView(FileTemplatesPlugin* plugin, QWidget* parent);
     ~TemplatePreviewToolView() override;
 
 private:
diff --git a/plugins/filetemplates/templatepreviewtoolview.cpp b/plugins/filetemplates/templatepreviewtoolview.cpp
--- a/plugins/filetemplates/templatepreviewtoolview.cpp
+++ b/plugins/filetemplates/templatepreviewtoolview.cpp
@@ -34,8 +34,8 @@
 
 using namespace KDevelop;
 
-TemplatePreviewToolView::TemplatePreviewToolView(FileTemplatesPlugin* plugin, QWidget* parent, Qt::WindowFlags f)
-: QWidget(parent, f)
+TemplatePreviewToolView::TemplatePreviewToolView(FileTemplatesPlugin* plugin, QWidget* parent)
+: QWidget(parent)
 , ui(new Ui::TemplatePreviewToolView)
 , m_original(nullptr)
 , m_plugin(plugin)
diff --git a/plugins/filetemplates/templateselectionpage.h b/plugins/filetemplates/templateselectionpage.h
--- a/plugins/filetemplates/templateselectionpage.h
+++ b/plugins/filetemplates/templateselectionpage.h
@@ -36,7 +36,7 @@
     Q_PROPERTY(QString selectedTemplate READ selectedTemplate)
 
 public:
-    explicit TemplateSelectionPage (TemplateClassAssistant* parent, Qt::WindowFlags f = nullptr);
+    explicit TemplateSelectionPage (TemplateClassAssistant* parent);
     ~TemplateSelectionPage() override;
 
     /**
diff --git a/plugins/filetemplates/templateselectionpage.cpp b/plugins/filetemplates/templateselectionpage.cpp
--- a/plugins/filetemplates/templateselectionpage.cpp
+++ b/plugins/filetemplates/templateselectionpage.cpp
@@ -196,8 +196,8 @@
     group.sync();
 }
 
-TemplateSelectionPage::TemplateSelectionPage(TemplateClassAssistant* parent, Qt::WindowFlags f)
-: QWidget(parent, f)
+TemplateSelectionPage::TemplateSelectionPage(TemplateClassAssistant* parent)
+: QWidget(parent)
 , d(new TemplateSelectionPagePrivate(this))
 {
     d->assistant = parent;
diff --git a/plugins/filetemplates/testcasespage.h b/plugins/filetemplates/testcasespage.h
--- a/plugins/filetemplates/testcasespage.h
+++ b/plugins/filetemplates/testcasespage.h
@@ -38,7 +38,7 @@
     Q_PROPERTY(QStringList testCases READ testCases WRITE setTestCases)
 
 public:
-    explicit TestCasesPage(QWidget* parent = nullptr, Qt::WindowFlags f = nullptr);
+    explicit TestCasesPage(QWidget* parent = nullptr);
     ~TestCasesPage() override;
 
     /**
diff --git a/plugins/filetemplates/testcasespage.cpp b/plugins/filetemplates/testcasespage.cpp
--- a/plugins/filetemplates/testcasespage.cpp
+++ b/plugins/filetemplates/testcasespage.cpp
@@ -33,8 +33,8 @@
     Ui::TestCasesPage* ui;
 };
 
-TestCasesPage::TestCasesPage(QWidget* parent, Qt::WindowFlags f)
-: QWidget (parent, f)
+TestCasesPage::TestCasesPage(QWidget* parent)
+: QWidget(parent)
 , d(new TestCasesPagePrivate)
 {
     d->ui = new Ui::TestCasesPage();
diff --git a/plugins/git/gitplugin.cpp b/plugins/git/gitplugin.cpp
--- a/plugins/git/gitplugin.cpp
+++ b/plugins/git/gitplugin.cpp
@@ -1491,8 +1491,9 @@
 {
     Q_OBJECT
     public:
-        explicit GitVcsLocationWidget(QWidget* parent = nullptr, Qt::WindowFlags f = nullptr)
-            : StandardVcsLocationWidget(parent, f) {}
+        explicit GitVcsLocationWidget(QWidget* parent = nullptr)
+            : StandardVcsLocationWidget(parent)
+        {}
 
         bool isCorrect() const override
         {
diff --git a/plugins/subversion/svnlocationwidget.h b/plugins/subversion/svnlocationwidget.h
--- a/plugins/subversion/svnlocationwidget.h
+++ b/plugins/subversion/svnlocationwidget.h
@@ -18,7 +18,7 @@
 {
     Q_OBJECT
     public:
-        explicit SvnLocationWidget(QWidget* parent = nullptr, Qt::WindowFlags f = nullptr);
+        explicit SvnLocationWidget(QWidget* parent = nullptr);
         KDevelop::VcsLocation location() const override;
         bool isCorrect() const override;
 };
diff --git a/plugins/subversion/svnlocationwidget.cpp b/plugins/subversion/svnlocationwidget.cpp
--- a/plugins/subversion/svnlocationwidget.cpp
+++ b/plugins/subversion/svnlocationwidget.cpp
@@ -11,8 +11,8 @@
 #include "svnlocationwidget.h"
 #include <vcs/vcslocation.h>
 
-SvnLocationWidget::SvnLocationWidget(QWidget* parent, Qt::WindowFlags f)
-    : StandardVcsLocationWidget(parent, f)
+SvnLocationWidget::SvnLocationWidget(QWidget* parent)
+    : StandardVcsLocationWidget(parent)
 {}
 
 KDevelop::VcsLocation SvnLocationWidget::location() const
diff --git a/shell/configdialog.h b/shell/configdialog.h
--- a/shell/configdialog.h
+++ b/shell/configdialog.h
@@ -40,7 +40,7 @@
     Q_OBJECT
 
 public:
-    explicit ConfigDialog(QWidget* parent = nullptr, Qt::WindowFlags flags = nullptr);
+    explicit ConfigDialog(QWidget* parent = nullptr);
 
 public Q_SLOTS:
     /**
diff --git a/shell/configdialog.cpp b/shell/configdialog.cpp
--- a/shell/configdialog.cpp
+++ b/shell/configdialog.cpp
@@ -39,8 +39,9 @@
 
 //FIXME: unit test this code!
 
-ConfigDialog::ConfigDialog(QWidget* parent, Qt::WindowFlags flags)
-    : KPageDialog(parent, flags), m_currentPageHasChanges(false)
+ConfigDialog::ConfigDialog(QWidget* parent)
+    : KPageDialog(parent)
+    , m_currentPageHasChanges(false)
 {
     setWindowTitle(i18n("Configure"));
     setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Apply | QDialogButtonBox::Cancel | QDialogButtonBox::RestoreDefaults);