diff --git a/src/libs/extensionsystem/pluginmanager.h b/src/libs/extensionsystem/pluginmanager.h
index ebb2ad16fc2c8c78603a7ab04f8b92c72fa53916..d371dfe30c98fbf4d590407515c4dff6f62aa45e 100644
--- a/src/libs/extensionsystem/pluginmanager.h
+++ b/src/libs/extensionsystem/pluginmanager.h
@@ -90,17 +90,6 @@ public:
         return result;
     }
 
-    QObject *getObjectByName(const QString &name) const
-    {
-        QReadLocker lock(&m_lock);
-        QList<QObject *> all = allObjects();
-        foreach (QObject *obj, all) {
-            if (obj->objectName() == name)
-                return obj;
-        }
-        return 0;
-    }
-
     // Plugin operations
     QList<PluginSpec *> loadQueue();
     void loadPlugins();
diff --git a/src/libs/qmljs/qmljsmodelmanagerinterface.cpp b/src/libs/qmljs/qmljsmodelmanagerinterface.cpp
index 902c986da1d8089794e945a4420e0003e55a5409..fbd340587e3a28914dab7fb66d81cc0ccb39c051 100644
--- a/src/libs/qmljs/qmljsmodelmanagerinterface.cpp
+++ b/src/libs/qmljs/qmljsmodelmanagerinterface.cpp
@@ -38,7 +38,6 @@ ModelManagerInterface::ModelManagerInterface(QObject *parent)
 {
     Q_ASSERT(! g_instance);
     g_instance = this;
-    setObjectName(MODELMANAGERINTERFACE_OBJECTNAME);
 }
 
 ModelManagerInterface::~ModelManagerInterface()
diff --git a/src/libs/qmljs/qmljsmodelmanagerinterface.h b/src/libs/qmljs/qmljsmodelmanagerinterface.h
index d833fbb74915997ea7570bf6eb289405cb195c7f..938087f45406b2710aab9ecbf23e96a27e72ec93 100644
--- a/src/libs/qmljs/qmljsmodelmanagerinterface.h
+++ b/src/libs/qmljs/qmljsmodelmanagerinterface.h
@@ -46,8 +46,6 @@ QT_QML_BEGIN_NAMESPACE
 
 namespace QmlJS {
 
-const char *const MODELMANAGERINTERFACE_OBJECTNAME = "QmlJS::ModelManagerInterface";
-
 class Snapshot;
 
 class QMLJS_EXPORT ModelManagerInterface: public QObject
@@ -119,8 +117,8 @@ public:
     virtual void removeFiles(const QStringList &files) = 0;
 
     virtual QList<ProjectInfo> projectInfos() const = 0;
-    Q_INVOKABLE virtual QmlJS::ModelManagerInterface::ProjectInfo projectInfo(ProjectExplorer::Project *project) const = 0;
-    Q_INVOKABLE virtual void updateProjectInfo(const QmlJS::ModelManagerInterface::ProjectInfo &pinfo) = 0;
+    virtual ProjectInfo projectInfo(ProjectExplorer::Project *project) const = 0;
+    virtual void updateProjectInfo(const ProjectInfo &pinfo) = 0;
 
     virtual QStringList importPaths() const = 0;
 
diff --git a/src/plugins/plugins.pro b/src/plugins/plugins.pro
index c126c4ebb6c89d4c7c68d9fa0b4511677e502610..9702fb785d510a7e69a601189702ddc2af6f8249 100644
--- a/src/plugins/plugins.pro
+++ b/src/plugins/plugins.pro
@@ -126,6 +126,7 @@ plugin_qt4projectmanager.depends = plugin_texteditor
 plugin_qt4projectmanager.depends += plugin_projectexplorer
 plugin_qt4projectmanager.depends += plugin_cpptools
 plugin_qt4projectmanager.depends += plugin_cppeditor
+plugin_qt4projectmanager.depends += plugin_qmljseditor
 plugin_qt4projectmanager.depends += plugin_designer
 plugin_qt4projectmanager.depends += plugin_debugger
 plugin_qt4projectmanager.depends += plugin_qmljseditor
diff --git a/src/plugins/qmljseditor/qmljsmodelmanager.h b/src/plugins/qmljseditor/qmljsmodelmanager.h
index 79e9937e4d7f6b3cb9f8b9cadb9f18c52e95a2f8..bc829e6010998c59d5afe06adb4f620c6938c53c 100644
--- a/src/plugins/qmljseditor/qmljsmodelmanager.h
+++ b/src/plugins/qmljseditor/qmljsmodelmanager.h
@@ -62,7 +62,7 @@ public:
     virtual void removeFiles(const QStringList &files);
 
     virtual QList<ProjectInfo> projectInfos() const;
-    virtual QmlJS::ModelManagerInterface::ProjectInfo projectInfo(ProjectExplorer::Project *project) const;
+    virtual ProjectInfo projectInfo(ProjectExplorer::Project *project) const;
     virtual void updateProjectInfo(const ProjectInfo &pinfo);
 
     void emitDocumentUpdated(QmlJS::Document::Ptr doc);
diff --git a/src/plugins/qt4projectmanager/Qt4ProjectManager.pluginspec b/src/plugins/qt4projectmanager/Qt4ProjectManager.pluginspec
index fd8fd1f2263abc0ddab994c1995439a81f2a32e5..906f6c3ece3645b73435d2d4122ad508f8260673 100644
--- a/src/plugins/qt4projectmanager/Qt4ProjectManager.pluginspec
+++ b/src/plugins/qt4projectmanager/Qt4ProjectManager.pluginspec
@@ -18,6 +18,7 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
         <dependency name="ProjectExplorer" version="2.0.90"/>
         <dependency name="CppTools" version="2.0.90"/>
         <dependency name="CppEditor" version="2.0.90"/>
+        <dependency name="QmlJSEditor" version="2.0.90"/>
         <dependency name="Designer" version="2.0.90"/>
         <dependency name="Debugger" version="2.0.90"/>
     </dependencyList>
diff --git a/src/plugins/qt4projectmanager/qt4project.cpp b/src/plugins/qt4projectmanager/qt4project.cpp
index c076682769922aea49ad4e3f5d5678a17f4edcbf..1385f6340635f9b5c77c3ae6fdb55685ac4d98c9 100644
--- a/src/plugins/qt4projectmanager/qt4project.cpp
+++ b/src/plugins/qt4projectmanager/qt4project.cpp
@@ -567,17 +567,11 @@ void Qt4Project::updateCppCodeModel()
 
 void Qt4Project::updateQmlJSCodeModel()
 {
-    QObject *modelManager =
-            ExtensionSystem::PluginManager::instance()->getObjectByName(QmlJS::MODELMANAGERINTERFACE_OBJECTNAME);
+    QmlJS::ModelManagerInterface *modelManager = QmlJS::ModelManagerInterface::instance();
     if (!modelManager)
         return;
 
-    QmlJS::ModelManagerInterface::ProjectInfo projectInfo;
-    bool success = QMetaObject::invokeMethod(
-                modelManager, "projectInfo", Qt::DirectConnection,
-                Q_RETURN_ARG(QmlJS::ModelManagerInterface::ProjectInfo, projectInfo),
-                Q_ARG(ProjectExplorer::Project *, this));
-    QTC_ASSERT(success, return);
+    QmlJS::ModelManagerInterface::ProjectInfo projectInfo = modelManager->projectInfo(this);
 
     // Not essential since the QmlJS engine parses required files on demand.
     //projectInfo.sourceFiles = ...
@@ -590,10 +584,7 @@ void Qt4Project::updateQmlJSCodeModel()
     }
     projectInfo.importPaths.removeDuplicates();
 
-    success = QMetaObject::invokeMethod(
-                modelManager, "updateProjectInfo", Qt::DirectConnection,
-                Q_ARG(QmlJS::ModelManagerInterface::ProjectInfo, projectInfo));
-    QTC_ASSERT(success, return);
+    modelManager->updateProjectInfo(projectInfo);
 }
 
 void Qt4Project::qtVersionsChanged()
diff --git a/src/plugins/qt4projectmanager/qt4projectmanager_dependencies.pri b/src/plugins/qt4projectmanager/qt4projectmanager_dependencies.pri
index e40eac29c4b6c236e180e6f5931f337c005d6880..7d2124fdded3258bf448f8fdafb1f38ca090055f 100644
--- a/src/plugins/qt4projectmanager/qt4projectmanager_dependencies.pri
+++ b/src/plugins/qt4projectmanager/qt4projectmanager_dependencies.pri
@@ -1,6 +1,7 @@
 include(../../plugins/projectexplorer/projectexplorer.pri)
 include(../../plugins/cpptools/cpptools.pri)
 include(../../plugins/cppeditor/cppeditor.pri)
+include(../../plugins/qmljseditor/qmljseditor.pri)
 include(../../plugins/designer/designer.pri)
 include(../../plugins/debugger/debugger.pri)
 include(../../libs/symbianutils/symbianutils.pri)