diff -r 11d3954df52a -r 627c4a0fd0e7 src/hbcore/activity/activity.pri
--- a/src/hbcore/activity/activity.pri	Thu May 27 13:10:59 2010 +0300
+++ b/src/hbcore/activity/activity.pri	Fri Jun 11 13:58:22 2010 +0300
@@ -30,7 +30,8 @@
 
 PUBLIC_HEADERS += $$PWD/hbactivitymanager.h
 
-INTERNAL_HEADERS += $$PWD/hbactivitymanager_p.h \
-                    $$PWD/hbactivityplugininterface_p.h \
+PRIVATE_HEADERS += $$PWD/hbactivitymanager_p.h
+
+RESTRICTED_HEADERS += $$PWD/hbactivityplugininterface_r.h
 
 SOURCES +=  $$PWD/hbactivitymanager.cpp \