diff --git a/share/qtcreator/qml/qmlpuppet/interfaces/nodeinstanceserverinterface.cpp b/share/qtcreator/qml/qmlpuppet/interfaces/nodeinstanceserverinterface.cpp
index 3e5d3f4a785..62669d31588 100644
--- a/share/qtcreator/qml/qmlpuppet/interfaces/nodeinstanceserverinterface.cpp
+++ b/share/qtcreator/qml/qmlpuppet/interfaces/nodeinstanceserverinterface.cpp
@@ -217,9 +217,6 @@ void NodeInstanceServerInterface::registerCommands()
     qRegisterMetaType<ChangeLanguageCommand>("ChangeLanguageCommand");
     qRegisterMetaTypeStreamOperators<ChangeLanguageCommand>("ChangeLanguageCommand");
 
-    qRegisterMetaType<ChangeLanguageCommand>("ChangeLanguageCommand");
-    qRegisterMetaTypeStreamOperators<ChangeLanguageCommand>("ChangeLanguageCommand");
-
     qRegisterMetaType<ChangePreviewImageSizeCommand>("ChangePreviewImageSizeCommand");
     qRegisterMetaTypeStreamOperators<ChangePreviewImageSizeCommand>("ChangePreviewImageSizeCommand");
 }