diff --git a/src/plugins/qmlprojectmanager/qmlproject.cpp b/src/plugins/qmlprojectmanager/qmlproject.cpp
index 587059f80fc..bb88cc898eb 100644
--- a/src/plugins/qmlprojectmanager/qmlproject.cpp
+++ b/src/plugins/qmlprojectmanager/qmlproject.cpp
@@ -145,8 +145,8 @@ void QmlProject::parseProject(RefreshOptions options)
         }
         if (m_projectItem) {
             m_projectItem.data()->setSourceDirectory(projectDir().path());
-            if (modelManager())
-                modelManager()->updateSourceFiles(m_projectItem.data()->files(), true);
+            if (auto modelManager = QmlJS::ModelManagerInterface::instance())
+                modelManager->updateSourceFiles(m_projectItem.data()->files(), true);
 
             QString mainFilePath = m_projectItem.data()->mainFile();
             if (!mainFilePath.isEmpty()) {
@@ -180,37 +180,21 @@ void QmlProject::refresh(RefreshOptions options)
     if (options & Files)
         generateProjectTree();
 
-    if (!modelManager())
+    auto modelManager = QmlJS::ModelManagerInterface::instance();
+    if (!modelManager)
         return;
 
     QmlJS::ModelManagerInterface::ProjectInfo projectInfo =
-            modelManager()->defaultProjectInfoForProject(this);
+            modelManager->defaultProjectInfoForProject(this);
     foreach (const QString &searchPath, customImportPaths())
         projectInfo.importPaths.maybeInsert(Utils::FileName::fromString(searchPath),
                                             QmlJS::Dialect::Qml);
 
-    modelManager()->updateProjectInfo(projectInfo, this);
+    modelManager->updateProjectInfo(projectInfo, this);
 
     emit parsingFinished();
 }
 
-QStringList QmlProject::convertToAbsoluteFiles(const QStringList &paths) const
-{
-    const QDir projectDir(projectDirectory().toString());
-    QStringList absolutePaths;
-    foreach (const QString &file, paths) {
-        QFileInfo fileInfo(projectDir, file);
-        absolutePaths.append(fileInfo.absoluteFilePath());
-    }
-    absolutePaths.removeDuplicates();
-    return absolutePaths;
-}
-
-QmlJS::ModelManagerInterface *QmlProject::modelManager() const
-{
-    return QmlJS::ModelManagerInterface::instance();
-}
-
 QStringList QmlProject::files() const
 {
     QStringList files;
@@ -265,8 +249,10 @@ QmlProject::QmlImport QmlProject::defaultImport() const
 void QmlProject::refreshFiles(const QSet<QString> &/*added*/, const QSet<QString> &removed)
 {
     refresh(Files);
-    if (!removed.isEmpty() && modelManager())
-        modelManager()->removeFiles(removed.toList());
+    if (!removed.isEmpty()) {
+        if (auto modelManager = QmlJS::ModelManagerInterface::instance())
+            modelManager->removeFiles(removed.toList());
+    }
 }
 
 QString QmlProject::displayName() const
diff --git a/src/plugins/qmlprojectmanager/qmlproject.h b/src/plugins/qmlprojectmanager/qmlproject.h
index 8bf4f35bc50..c8900b6ebe1 100644
--- a/src/plugins/qmlprojectmanager/qmlproject.h
+++ b/src/plugins/qmlprojectmanager/qmlproject.h
@@ -33,7 +33,6 @@
 #include <QPointer>
 
 namespace ProjectExplorer { class RunConfiguration; }
-namespace QmlJS { class ModelManagerInterface; }
 
 namespace QmlProjectManager {
 
@@ -91,8 +90,6 @@ private:
 
     // plain format
     void parseProject(RefreshOptions options);
-    QStringList convertToAbsoluteFiles(const QStringList &paths) const;
-    QmlJS::ModelManagerInterface *modelManager() const;
 
     QmlImport m_defaultImport;
     ProjectExplorer::Target *m_activeTarget = 0;