diff --git a/src/plugins/coreplugin/dialogs/ioptionspage.cpp b/src/plugins/coreplugin/dialogs/ioptionspage.cpp
index 49d72dc1d93..6a336a55501 100644
--- a/src/plugins/coreplugin/dialogs/ioptionspage.cpp
+++ b/src/plugins/coreplugin/dialogs/ioptionspage.cpp
@@ -138,13 +138,14 @@ QIcon Core::IOptionsPage::categoryIcon() const
 static QList<Core::IOptionsPage *> g_optionsPages;
 
 /*!
-    Constructs an options page with the given \a parent.
+    Constructs an options page with the given \a parent and registers it
+    at the global options page pool if \a registerGlobally is true.
 */
-Core::IOptionsPage::IOptionsPage(QObject *parent)
-    : QObject(parent),
-      m_keywordsInitialized(false)
+Core::IOptionsPage::IOptionsPage(QObject *parent, bool registerGlobally)
+    : QObject(parent)
 {
-    g_optionsPages.append(this);
+    if (registerGlobally)
+        g_optionsPages.append(this);
 }
 
 /*!
diff --git a/src/plugins/coreplugin/dialogs/ioptionspage.h b/src/plugins/coreplugin/dialogs/ioptionspage.h
index 16e6d285c04..7f55c25c884 100644
--- a/src/plugins/coreplugin/dialogs/ioptionspage.h
+++ b/src/plugins/coreplugin/dialogs/ioptionspage.h
@@ -44,7 +44,7 @@ class CORE_EXPORT IOptionsPage : public QObject
     Q_OBJECT
 
 public:
-    IOptionsPage(QObject *parent = 0);
+    IOptionsPage(QObject *parent = nullptr, bool registerGlobally = true);
     virtual ~IOptionsPage();
 
     static const QList<IOptionsPage *> allOptionsPages();
@@ -73,7 +73,7 @@ protected:
     QString m_displayCategory;
     Utils::Icon m_categoryIcon;
 
-    mutable bool m_keywordsInitialized;
+    mutable bool m_keywordsInitialized = false;
     mutable QStringList m_keywords;
 };
 
diff --git a/src/plugins/designer/settingspage.cpp b/src/plugins/designer/settingspage.cpp
index 488ee8ea5e2..8e865cae8a3 100644
--- a/src/plugins/designer/settingspage.cpp
+++ b/src/plugins/designer/settingspage.cpp
@@ -37,6 +37,7 @@
 using namespace Designer::Internal;
 
 SettingsPage::SettingsPage(QDesignerOptionsPageInterface *designerPage) :
+    Core::IOptionsPage(nullptr, false),
     m_designerPage(designerPage)
 {
     setId(Core::Id::fromString(m_designerPage->name()));