diff --git a/src/plugins/coreplugin/dialogs/ioptionspage.cpp b/src/plugins/coreplugin/dialogs/ioptionspage.cpp
index f7657498ca4..a19458c5fbb 100644
--- a/src/plugins/coreplugin/dialogs/ioptionspage.cpp
+++ b/src/plugins/coreplugin/dialogs/ioptionspage.cpp
@@ -277,8 +277,7 @@ bool IOptionsPage::matches(const QRegularExpression &regexp) const
 
 static QList<IOptionsPageProvider *> g_optionsPagesProviders;
 
-IOptionsPageProvider::IOptionsPageProvider(QObject *parent)
-    : QObject(parent)
+IOptionsPageProvider::IOptionsPageProvider()
 {
     g_optionsPagesProviders.append(this);
 }
diff --git a/src/plugins/coreplugin/dialogs/ioptionspage.h b/src/plugins/coreplugin/dialogs/ioptionspage.h
index 21b5a6ec445..7849ce0bb13 100644
--- a/src/plugins/coreplugin/dialogs/ioptionspage.h
+++ b/src/plugins/coreplugin/dialogs/ioptionspage.h
@@ -99,13 +99,13 @@ private:
     before the options pages get available.)
 */
 
-class CORE_EXPORT IOptionsPageProvider : public QObject
+class CORE_EXPORT IOptionsPageProvider
 {
-    Q_OBJECT
+    Q_DISABLE_COPY_MOVE(IOptionsPageProvider);
 
 public:
-    IOptionsPageProvider(QObject *parent = nullptr);
-    ~IOptionsPageProvider() override;
+    IOptionsPageProvider();
+    virtual ~IOptionsPageProvider();
 
     static const QList<IOptionsPageProvider *> allOptionsPagesProviders();
 
diff --git a/src/plugins/designer/settingspage.h b/src/plugins/designer/settingspage.h
index 5efc062fcba..03206109dba 100644
--- a/src/plugins/designer/settingspage.h
+++ b/src/plugins/designer/settingspage.h
@@ -19,8 +19,6 @@ public:
 
 class SettingsPageProvider : public Core::IOptionsPageProvider
 {
-    Q_OBJECT
-
 public:
     SettingsPageProvider();