diff --git a/doc/global/qt-cpp-defines.qdocconf b/doc/global/qt-cpp-defines.qdocconf
index fc3f78b925c..5068ae8be84 100644
--- a/doc/global/qt-cpp-defines.qdocconf
+++ b/doc/global/qt-cpp-defines.qdocconf
@@ -196,6 +196,7 @@ Cpp.ignoredirectives    += \
                           Q_DECLARE_TYPEINFO \
                           Q_DECL_NOEXCEPT_EXPR \
                           QT_DEPRECATED_X \
+                          QT_SYSINFO_DEPRECATED_X \
                           Q_DISABLE_COPY \
                           Q_DUMMY_COMPARISON_OPERATOR \
                           Q_ENUM \