Revert "Add workaround for QTBUG-35143"

It was just a shortterm hack for RC1
This reverts commit e4d800ad4a2b7f29c302f43c0efaa7e592633cc7.

Change-Id: If4471a8e040c7f9517551914b092b7ad0cd6d1d7
Reviewed-by: Daniel Teske <daniel.teske@digia.com>