diff --git a/src/plugins/qt4projectmanager/qt4project.cpp b/src/plugins/qt4projectmanager/qt4project.cpp
index 2a7fd0c242c..dd61dbde099 100644
--- a/src/plugins/qt4projectmanager/qt4project.cpp
+++ b/src/plugins/qt4projectmanager/qt4project.cpp
@@ -566,7 +566,6 @@ QStringList Qt4Project::files(FilesMode fileMode) const
         if (fileMode == AllFiles)
             files += m_projectFiles->generatedFiles[i];
     }
-    files += m_projectFiles->proFiles;
     return files;
 }