diff --git a/src/plugins/qmakeprojectmanager/qmakeparsernodes.cpp b/src/plugins/qmakeprojectmanager/qmakeparsernodes.cpp
index 2d91fee7cec..10a09fe9a5d 100644
--- a/src/plugins/qmakeprojectmanager/qmakeparsernodes.cpp
+++ b/src/plugins/qmakeprojectmanager/qmakeparsernodes.cpp
@@ -29,7 +29,6 @@
 #include "qmakeprojectmanagerconstants.h"
 #include "qmakebuildconfiguration.h"
 
-#include <coreplugin/dialogs/readonlyfilesdialog.h>
 #include <coreplugin/documentmanager.h>
 #include <coreplugin/editormanager/editormanager.h>
 #include <coreplugin/icore.h>
@@ -633,13 +632,6 @@ bool QmakePriFile::renameFile(const QString &filePath, const QString &newFilePat
     return changeProFileOptional;
 }
 
-bool QmakePriFile::priFileWritable(const QString &path)
-{
-    ReadOnlyFilesDialog roDialog(path, ICore::mainWindow());
-    roDialog.setShowFailWarning(true);
-    return roDialog.exec() != ReadOnlyFilesDialog::RO_Cancel;
-}
-
 bool QmakePriFile::saveModifiedEditors()
 {
     Core::IDocument *document
diff --git a/src/plugins/qmakeprojectmanager/qmakeparsernodes.h b/src/plugins/qmakeprojectmanager/qmakeparsernodes.h
index 857d59734a4..3827957d576 100644
--- a/src/plugins/qmakeprojectmanager/qmakeparsernodes.h
+++ b/src/plugins/qmakeprojectmanager/qmakeparsernodes.h
@@ -204,7 +204,6 @@ private:
     static QPair<ProFile *, QStringList> readProFile(const QString &file);
     static QPair<ProFile *, QStringList> readProFileFromContents(const QString &contents);
     void save(const QStringList &lines);
-    bool priFileWritable(const QString &absoluteFilePath);
     bool saveModifiedEditors();
     QStringList formResources(const QString &formFile) const;
     static QStringList baseVPaths(QtSupport::ProFileReader *reader, const QString &projectDir, const QString &buildDir);