diff -r c3a04a8c859e -r 7283415229fd symbian3/single/sysdefs/system_model.xml
--- a/symbian3/single/sysdefs/system_model.xml	Wed Sep 08 17:33:05 2010 +0100
+++ b/symbian3/single/sysdefs/system_model.xml	Wed Sep 08 17:36:10 2010 +0100
@@ -2737,7 +2737,7 @@
 <unit bldFile="os/deviceplatformrelease/sf_config/rombuild/zoom2/group"/>
 </component>
 <component filter="sf_build" purpose="development" introduced="^3" class="config">
-<unit bldFile="os/deviceplatformrelease/os/deviceplatformrelease/sf_config/rombuild/sf_refhw/group"/>
+<unit bldFile="os/deviceplatformrelease/sf_config/rombuild/sf_refhw/group"/>
 </component>
 </collection>
 <!-- should be located locally in buildplatforms/group. NB. This is a different package! -->