diff --git a/src/plugins/coreplugin/dialogs/ioptionspage.cpp b/src/plugins/coreplugin/dialogs/ioptionspage.cpp
index 6a336a55501..86281fb01a9 100644
--- a/src/plugins/coreplugin/dialogs/ioptionspage.cpp
+++ b/src/plugins/coreplugin/dialogs/ioptionspage.cpp
@@ -211,5 +211,5 @@ const QList<Core::IOptionsPageProvider *> Core::IOptionsPageProvider::allOptions
 
 QIcon Core::IOptionsPageProvider::categoryIcon() const
 {
-    return QIcon(m_categoryIcon);
+    return m_categoryIcon.icon();
 }
diff --git a/src/plugins/coreplugin/dialogs/ioptionspage.h b/src/plugins/coreplugin/dialogs/ioptionspage.h
index 7f55c25c884..be4010dcd5e 100644
--- a/src/plugins/coreplugin/dialogs/ioptionspage.h
+++ b/src/plugins/coreplugin/dialogs/ioptionspage.h
@@ -105,11 +105,11 @@ public:
 protected:
     void setCategory(Id category) { m_category = category; }
     void setDisplayCategory(const QString &displayCategory) { m_displayCategory = displayCategory; }
-    void setCategoryIcon(const QString &categoryIcon) { m_categoryIcon = categoryIcon; }
+    void setCategoryIcon(const Utils::Icon &categoryIcon) { m_categoryIcon = categoryIcon; }
 
     Id m_category;
     QString m_displayCategory;
-    QString m_categoryIcon;
+    Utils::Icon m_categoryIcon;
 };
 
 } // namespace Core
diff --git a/src/plugins/designer/designerconstants.h b/src/plugins/designer/designerconstants.h
index a097a991d09..62497bf945a 100644
--- a/src/plugins/designer/designerconstants.h
+++ b/src/plugins/designer/designerconstants.h
@@ -36,7 +36,6 @@ const char C_DESIGNER_XML_EDITOR[] = "Designer Xml Editor";
 const char C_DESIGNER_XML_DISPLAY_NAME[]  = QT_TRANSLATE_NOOP("Designer", "Form Editor");
 
 const char SETTINGS_CATEGORY[] = "P.Designer";
-const char SETTINGS_CATEGORY_ICON[] = ":/core/images/category_design.png";
 const char SETTINGS_TR_CATEGORY[] = QT_TRANSLATE_NOOP("Designer", "Designer");
 
 // Context
diff --git a/src/plugins/designer/settingspage.cpp b/src/plugins/designer/settingspage.cpp
index 15275ce8630..078c8e0bda2 100644
--- a/src/plugins/designer/settingspage.cpp
+++ b/src/plugins/designer/settingspage.cpp
@@ -72,7 +72,7 @@ SettingsPageProvider::SettingsPageProvider(QObject *parent)
     setCategory(Designer::Constants::SETTINGS_CATEGORY);
     setDisplayCategory(QCoreApplication::translate("Designer",
         Designer::Constants::SETTINGS_TR_CATEGORY));
-    setCategoryIcon(Designer::Constants::SETTINGS_CATEGORY_ICON);
+    setCategoryIcon(Utils::Icon(":/core/images/category_design.png"));
 }
 
 QList<Core::IOptionsPage *> SettingsPageProvider::pages() const