diff --git a/src/multimedia/audio/qrtaudioengine.cpp b/src/multimedia/audio/qrtaudioengine.cpp
index 90bd161..b0fdd20 100644
--- a/src/multimedia/audio/qrtaudioengine.cpp
+++ b/src/multimedia/audio/qrtaudioengine.cpp
@@ -161,9 +161,11 @@ void QRtAudioEngine::audioCallback(QSpan<float> outputBuffer) noexcept QT_MM_NON
 
     if (!finishedVoices.empty()) {
         withRTSanDisabled([&] {
-            for (const SharedVoice &voice : finishedVoices) {
+            for (SharedVoice &voice : finishedVoices) {
                 m_rtVoiceRegistry.erase(voice);
-                bool stopSent = sendRtToAppNotification(StopNotification{ voice });
+                // VOID: hand the real-time thread's last reference to the application thread,
+                // so ~QSoundEffectVoice (and its QSocketNotifier) never runs on this thread
+                bool stopSent = sendRtToAppNotification(StopNotification{ std::move(voice) });
                 if (stopSent)
                     sendNotification = true;
             }
@@ -181,28 +183,18 @@ void QRtAudioEngine::cleanupRetiredVoices() noexcept QT_MM_NONBLOCKING
 {
     bool notifyApp = false;
 
-#if __cpp_lib_erase_if >= 202002L
-    using std::erase_if;
-#else
-    auto erase_if = [](auto &c, auto &&pred) {
-        auto old_size = c.size();
-        for (auto first = c.begin(), last = c.end(); first != last;) {
-            if (pred(*first))
-                first = c.erase(first);
-            else
-                ++first;
-        }
-        return old_size - c.size();
-    };
-#endif
     withRTSanDisabled([&] {
-        erase_if(m_rtVoiceRegistry, [&](const SharedVoice &voice) {
-            bool voiceIsActive = voice->isActive();
-            if (!voiceIsActive)
-                notifyApp = sendRtToAppNotification(StopNotification{ voice });
-
-            return !voiceIsActive;
-        });
+        // VOID: erase before notifying, so the notification holds the last reference and
+        // the voice is destroyed on the application thread
+        for (auto it = m_rtVoiceRegistry.begin(); it != m_rtVoiceRegistry.end();) {
+            if ((*it)->isActive()) {
+                ++it;
+                continue;
+            }
+            SharedVoice voice = *it;
+            it = m_rtVoiceRegistry.erase(it);
+            notifyApp = sendRtToAppNotification(StopNotification{ std::move(voice) });
+        }
     });
 
     if (notifyApp)