QtContacts have UDEB symbols in Symbian WINSCW def file

When doing WINSCW release build following error comes:
MAKEDEF ERROR: 9 Frozen Export(s) missing from object files (POSSIBLE COMPATI
BILITY BREAK):
I:/s60/qtmobility/src/s60installs/bwins/QtContactsu.def(1021) : ??_EQContactId@QtMobility@@QAE@I@Z @1020
I:/s60/qtmobility/src/s60installs/bwins/QtContactsu.def(1027) : ??_EQContactRelationship@QtMobility@@QAE@I@Z @1026
I:/s60/qtmobility/src/s60installs/bwins/QtContactsu.def(1059) : ??_EQContactFilter@QtMobility@@QAE@I@Z @1058
I:/s60/qtmobility/src/s60installs/bwins/QtContactsu.def(1085) : ??_EQContactDetailDefinition@QtMobility@@QAE@I@Z @1084
I:/s60/qtmobility/src/s60installs/bwins/QtContactsu.def(1119) : ??_EQContact@QtMobility@@QAE@I@Z @1118
I:/s60/qtmobility/src/s60installs/bwins/QtContactsu.def(1139) : ??_EQContactActionTarget@QtMobility@@QAE@I@Z @1138
I:/s60/qtmobility/src/s60installs/bwins/QtContactsu.def(1143) : ??_EQContactSortOrder@QtMobility@@QAE@I@Z @1142
I:/s60/qtmobility/src/s60installs/bwins/QtContactsu.def(1160) : ??_EQContactActionDescriptor@QtMobility@@QAE@I@Z @1159
I:/s60/qtmobility/src/s60installs/bwins/QtContactsu.def(1164) : ??_EQContactDetail@QtMobility@@QAE@I@Z @1163

These ordinals are result of WINSCW debug build and should not be declared in QtContactsu.def.