diff --git a/src/plugins/cmakeprojectmanager/cmakespecificsettingspage.cpp b/src/plugins/cmakeprojectmanager/cmakespecificsettingspage.cpp
index a8239ced29a..4f3f4eca721 100644
--- a/src/plugins/cmakeprojectmanager/cmakespecificsettingspage.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakespecificsettingspage.cpp
@@ -102,5 +102,11 @@ void CMakeSpecificSettingsPage::apply()
     m_settings->toSettings(Core::ICore::settings());
 }
 
+void CMakeSpecificSettingsPage::finish()
+{
+    delete m_widget;
+    m_widget = nullptr;
+}
+
 } // Internal
 } // CMakeProjectManager
diff --git a/src/plugins/cmakeprojectmanager/cmakespecificsettingspage.h b/src/plugins/cmakeprojectmanager/cmakespecificsettingspage.h
index 59bf25d35b0..ef40f463394 100644
--- a/src/plugins/cmakeprojectmanager/cmakespecificsettingspage.h
+++ b/src/plugins/cmakeprojectmanager/cmakespecificsettingspage.h
@@ -52,15 +52,16 @@ private:
 
 class CMakeSpecificSettingsPage : public Core::IOptionsPage
 {
+    Q_OBJECT
 public:
     CMakeSpecificSettingsPage(CMakeSpecificSettings *settings, QObject *parent);
 
     QWidget *widget() override;
     void apply() override;
-    void finish() override { }
+    void finish() override;
 
 private:
-    CMakeSpecificSettings * const m_settings;
+    CMakeSpecificSettings * const m_settings = nullptr;
     QPointer<CMakeSpecificSettingWidget> m_widget;
 };