diff --git a/src/corelib/text/qlocale.cpp b/src/corelib/text/qlocale.cpp
index 7e74712ac75..65af3a012d9 100644
--- a/src/corelib/text/qlocale.cpp
+++ b/src/corelib/text/qlocale.cpp
@@ -720,17 +720,6 @@ QSystemLocale::QSystemLocale() : next(_systemLocale)
     _systemLocale = this;
 
     systemLocaleData.m_language_id = 0;
-
-#ifdef Q_OS_WASM
-    onLanguageChanged = std::make_unique<qstdweb::EventCallback>(
-        emscripten::val::global("window"), "languagechange", [](emscripten::val) {
-            systemLocaleData.m_language_id = 0;
-            QEvent languageChangeEvent(QEvent::LanguageChange);
-            QCoreApplication::sendEvent(qApp, &languageChangeEvent);
-            QEvent localeChangeEvent(QEvent::LocaleChange);
-            QCoreApplication::sendEvent(qApp, &localeChangeEvent);
-    });
-#endif
 }
 
 /*!
diff --git a/src/corelib/text/qlocale_p.h b/src/corelib/text/qlocale_p.h
index aa429e1e3ba..ee0a28e94ec 100644
--- a/src/corelib/text/qlocale_p.h
+++ b/src/corelib/text/qlocale_p.h
@@ -106,9 +106,6 @@ struct QLocaleData;
 class Q_CORE_EXPORT QSystemLocale
 {
     QSystemLocale *next = nullptr; // Maintains a stack.
-#ifdef Q_OS_WASM
-    std::unique_ptr<qstdweb::EventCallback> onLanguageChanged;
-#endif
 
 public:
     QSystemLocale();