diff --git a/src/corelib/compat/removed_api.cpp b/src/corelib/compat/removed_api.cpp
index cf96ac41e1a..5a659077e5c 100644
--- a/src/corelib/compat/removed_api.cpp
+++ b/src/corelib/compat/removed_api.cpp
@@ -1165,6 +1165,7 @@ auto QStringConverter::encodingForName(const char *name) noexcept -> std::option
 #endif
 
 #include "qtimer.h" // inlined API
+                    // removed inline API (MSVC)
 
 void QTimer::singleShot(std::chrono::milliseconds interval, Qt::TimerType timerType,
                         const QObject *receiver, const char *member)
diff --git a/src/corelib/kernel/qtimer.h b/src/corelib/kernel/qtimer.h
index 0faaab5f601..00c6b7bf127 100644
--- a/src/corelib/kernel/qtimer.h
+++ b/src/corelib/kernel/qtimer.h
@@ -160,6 +160,13 @@ private:
     static constexpr Qt::TimerType defaultTypeFor(int msecs) noexcept
     { return defaultTypeFor(std::chrono::milliseconds{msecs}); }
 
+#if QT_CORE_REMOVED_SINCE(6, 8)
+    static constexpr Qt::TimerType defaultTypeFor(std::chrono::milliseconds interval) noexcept
+    {
+        return defaultTypeFor(std::chrono::nanoseconds{interval});
+    }
+#endif
+
     static constexpr Qt::TimerType defaultTypeFor(std::chrono::nanoseconds interval) noexcept
     {
         // coarse timers are worst in their first firing