diff --git a/clients/oxygen/oxygenshadowconfiguration.cpp b/clients/oxygen/oxygenshadowconfiguration.cpp
index 06644ac7f9..fcf20ca4b3 100644
--- a/clients/oxygen/oxygenshadowconfiguration.cpp
+++ b/clients/oxygen/oxygenshadowconfiguration.cpp
@@ -74,19 +74,6 @@ namespace Oxygen
 
   }
 
-  //_________________________________________________________
-  bool OxygenShadowConfiguration::operator == ( const OxygenShadowConfiguration& other ) const
-  {
-    assert( colorGroup() == other.colorGroup() );
-    return
-      shadowSize() == other.shadowSize() &&
-      horizontalOffset() == other.horizontalOffset() &&
-      verticalOffset() == other.verticalOffset() &&
-      innerColor() == other.innerColor() &&
-      outerColor() == other.outerColor() &&
-      useOuterColor() == other.useOuterColor();
-  }
-
   //_________________________________________________________
   void OxygenShadowConfiguration::write( KConfigGroup& group ) const
   {
diff --git a/clients/oxygen/oxygenshadowconfiguration.h b/clients/oxygen/oxygenshadowconfiguration.h
index ef7052d805..a7b648af9a 100644
--- a/clients/oxygen/oxygenshadowconfiguration.h
+++ b/clients/oxygen/oxygenshadowconfiguration.h
@@ -59,9 +59,6 @@ namespace Oxygen
     virtual ~OxygenShadowConfiguration( void )
     {}
 
-    //! equal to operator
-    bool operator == ( const OxygenShadowConfiguration& ) const;
-
     //! write to kconfig group
     virtual void write( KConfigGroup& ) const;
 
@@ -119,6 +116,19 @@ namespace Oxygen
     void setUseOuterColor( bool value )
     { useOuterColor_ = value; }
 
+    //! equal to operator
+    bool operator == (const OxygenShadowConfiguration& other ) const
+    {
+      return
+        colorGroup_ == other.colorGroup_ &&
+        shadowSize_ == other.shadowSize_ &&
+        horizontalOffset_ == other.horizontalOffset_ &&
+        verticalOffset_ == other.verticalOffset_ &&
+        innerColor_ == other.innerColor_ &&
+        ( useOuterColor_ == false || outerColor_ == other.outerColor_ ) &&
+        useOuterColor_ == other.useOuterColor_;
+    }
+
     protected:
 
     //! mid color