diff --git a/ProfileDatabase.h b/ProfileDatabase.h
index 22b99d8..e32b1c4 100755
--- a/ProfileDatabase.h
+++ b/ProfileDatabase.h
@@ -33,7 +33,6 @@ public:
     ~ProfileDatabase();
 
 private:
-    QMutex mutex;
     QSettings *profileDB;
 
 public slots: