diff --git a/src/declarativeimports/core/units.h b/src/declarativeimports/core/units.h
--- a/src/declarativeimports/core/units.h
+++ b/src/declarativeimports/core/units.h
@@ -74,7 +74,7 @@
      * Not devicePixelRation-adjusted::
      * * desktop
      */
-    Q_PROPERTY(QQmlPropertyMap *iconSizes READ iconSizes NOTIFY iconSizesChanged)
+    Q_PROPERTY(QQmlPropertyMap *iconSizes READ iconSizes CONSTANT)
 
     // layout hints
 
@@ -176,7 +176,6 @@
 Q_SIGNALS:
     void devicePixelRatioChanged();
     void gridUnitChanged();
-    void iconSizesChanged();
     void spacingChanged();
     void durationChanged();
 
diff --git a/src/declarativeimports/core/units.cpp b/src/declarativeimports/core/units.cpp
--- a/src/declarativeimports/core/units.cpp
+++ b/src/declarativeimports/core/units.cpp
@@ -134,8 +134,6 @@
     m_iconSizes->insert(QStringLiteral("large"), devicePixelIconSize(KIconLoader::SizeLarge));
     m_iconSizes->insert(QStringLiteral("huge"), devicePixelIconSize(KIconLoader::SizeHuge));
     m_iconSizes->insert(QStringLiteral("enormous"), devicePixelIconSize(KIconLoader::SizeEnormous));
-
-    emit iconSizesChanged();
 }
 
 QQmlPropertyMap *Units::iconSizes() const