diff --git a/src/plugins/qmldesigner/qmlpreviewplugin/qmlpreviewactions.cpp b/src/plugins/qmldesigner/qmlpreviewplugin/qmlpreviewactions.cpp
index 966466e3b05..95fa7a5164a 100644
--- a/src/plugins/qmldesigner/qmlpreviewplugin/qmlpreviewactions.cpp
+++ b/src/plugins/qmldesigner/qmlpreviewplugin/qmlpreviewactions.cpp
@@ -212,10 +212,6 @@ void FpsAction::currentContextChanged(const SelectionContext &)
 SwitchLanguageComboboxAction::SwitchLanguageComboboxAction(QObject *parent)
     : QWidgetAction(parent)
 {
-    connect(ProjectExplorer::SessionManager::instance(),
-            &ProjectExplorer::SessionManager::startupProjectChanged,
-            this,
-            &SwitchLanguageComboboxAction::updateProjectLocales);
 }
 
 QWidget *SwitchLanguageComboboxAction::createWidget(QWidget *parent)