diff --git a/src/core/pluginmanager.cpp b/src/core/pluginmanager.cpp
index 57379dde54..068975bf9d 100644
--- a/src/core/pluginmanager.cpp
+++ b/src/core/pluginmanager.cpp
@@ -73,17 +73,6 @@ void PluginManager::unloadPlugin( const QString &pluginPath )
   }
 }
 
-const QString PluginManager::findProjectPlugin( const QString &projectPath ) const
-{
-  QFileInfo fi( projectPath );
-  const QString pluginPath = QStringLiteral( "%1/%2.qml" ).arg( fi.absolutePath(), fi.completeBaseName() );
-  if ( QFileInfo::exists( pluginPath ) )
-  {
-    return pluginPath;
-  }
-  return QString();
-}
-
 void PluginManager::grantRequestedPluginPermission( bool permanent )
 {
   if ( permanent )
@@ -110,3 +99,14 @@ void PluginManager::denyRequestedPluginPermission( bool permanent )
 
   mPermissionRequestPluginPath.clear();
 }
+
+QString PluginManager::findProjectPlugin( const QString &projectPath )
+{
+  const QFileInfo fi( projectPath );
+  const QString pluginPath = QStringLiteral( "%1/%2.qml" ).arg( fi.absolutePath(), fi.completeBaseName() );
+  if ( QFileInfo::exists( pluginPath ) )
+  {
+    return pluginPath;
+  }
+  return QString();
+}
diff --git a/src/core/pluginmanager.h b/src/core/pluginmanager.h
index f92983063d..f07fa5df91 100644
--- a/src/core/pluginmanager.h
+++ b/src/core/pluginmanager.h
@@ -25,17 +25,17 @@ class PluginManager : public QObject
     Q_OBJECT
 
   public:
-    PluginManager( QQmlEngine *engine );
-    ~PluginManager() = default;
+    explicit PluginManager( QQmlEngine *engine );
+    ~PluginManager() override = default;
 
     void loadPlugin( const QString &pluginPath, const QString &pluginName, bool skipPermissionCheck = false );
     void unloadPlugin( const QString &pluginPath );
 
-    const QString findProjectPlugin( const QString &projectPath ) const;
-
     Q_INVOKABLE void grantRequestedPluginPermission( bool permanent = false );
     Q_INVOKABLE void denyRequestedPluginPermission( bool permanent = false );
 
+    static QString findProjectPlugin( const QString &projectPath );
+
   signals:
     void pluginPermissionRequested( const QString &pluginName );
 
diff --git a/src/core/qgismobileapp.cpp b/src/core/qgismobileapp.cpp
index 8a96a95ae0..6e3c0ef76b 100644
--- a/src/core/qgismobileapp.cpp
+++ b/src/core/qgismobileapp.cpp
@@ -700,7 +700,7 @@ bool QgisMobileapp::loadProjectFile( const QString &path, const QString &name )
 
     if ( !mProjectFilePath.isEmpty() )
     {
-      mPluginManager->unloadPlugin( mPluginManager->findProjectPlugin( mProjectFilePath ) );
+      mPluginManager->unloadPlugin( PluginManager::findProjectPlugin( mProjectFilePath ) );
     }
     mAuthRequestHandler->clearStoredRealms();
 
@@ -1166,7 +1166,7 @@ void QgisMobileapp::readProjectFile()
 
   connect( mMapCanvas, &QgsQuickMapCanvasMap::mapCanvasRefreshed, this, &QgisMobileapp::onMapCanvasRefreshed );
 
-  const QString projectPluginPath = mPluginManager->findProjectPlugin( mProjectFilePath );
+  const QString projectPluginPath = PluginManager::findProjectPlugin( mProjectFilePath );
   if ( !projectPluginPath.isEmpty() )
   {
     mPluginManager->loadPlugin( projectPluginPath, tr( "Project Plugin" ) );
@@ -1393,7 +1393,7 @@ void QgisMobileapp::clearProject()
 {
   if ( !mProjectFilePath.isEmpty() )
   {
-    mPluginManager->unloadPlugin( mPluginManager->findProjectPlugin( mProjectFilePath ) );
+    mPluginManager->unloadPlugin( PluginManager::findProjectPlugin( mProjectFilePath ) );
   }
   mAuthRequestHandler->clearStoredRealms();