QtWebEngine cannot be build because of some deprecated functions

QtWebEngine cannot be build because some functions have been marked as deprecated:

The deprecated functions are in the following files:

QPdfLinkModel.cpp:
Q_LOGGING_CATEGORY(qLcLink, "qt.pdf.links")

QPdfDocument.cpp:
Q_LOGGING_CATEGORY(qLcDoc, "qt.pdf.document") 

QPdfBookmarkModel.cpp:
Q_LOGGING_CATEGORY(qLcBM, "qt.pdf.bookmarks") 

QPdfPageNavigator.cpp:
Q_LOGGING_CATEGORY(qLcNav, "qt.pdf.pagenavigator") 

QPdfSearchModel.cpp:
Q_LOGGING_CATEGORY(qLcS, "qt.pdf.search") 

QPdfView.cpp:
Q_LOGGING_CATEGORY(qLcWLink, "qt.pdf.widgets.links")