diff --git a/src/corelib/configure.cmake b/src/corelib/configure.cmake
index 5e6e966c..d6326a0f 100644
--- a/src/corelib/configure.cmake
+++ b/src/corelib/configure.cmake
@@ -591,6 +591,7 @@ qt_config_compile_test(cpp_winrt
         runtimeobject
     CODE
 "// Including winrt/base.h causes an error in some configurations (Windows 10 SDK + c++20)
+#define _SILENCE_EXPERIMENTAL_COROUTINE_DEPRECATION_WARNINGS
 #   include <guiddef.h> // required by clang-cl: https://github.com/microsoft/cppwinrt/issues/1179
 #   include <winrt/base.h>
 
diff --git a/src/corelib/platform/windows/qt_winrtbase_p.h b/src/corelib/platform/windows/qt_winrtbase_p.h
index 69a602a5..557c3ebb 100644
--- a/src/corelib/platform/windows/qt_winrtbase_p.h
+++ b/src/corelib/platform/windows/qt_winrtbase_p.h
@@ -19,6 +19,7 @@
 #include <QtCore/qglobal.h>
 
 #if QT_CONFIG(cpp_winrt)
+#define _SILENCE_EXPERIMENTAL_COROUTINE_DEPRECATION_WARNINGS
 #  include <guiddef.h> // required by clang-cl: https://github.com/microsoft/cppwinrt/issues/1179
 #  include <winrt/base.h>
 #  include <QtCore/private/qfactorycacheregistration_p.h>