diff --git a/advancedSettings.pro b/advancedSettings.pro
index e51ed93..b44dec1 100644
--- a/advancedSettings.pro
+++ b/advancedSettings.pro
@@ -9,8 +9,6 @@ CONFIG   += c++14
 
 DEFINES += ELPP_THREAD_SAFE ELPP_QT_LOGGING ELPP_NO_DEFAULT_LOG_FILE
 
-DEFINES += ELPP_THREAD_SAFE ELPP_QT_LOGGING ELPP_NO_DEFAULT_LOG_FILE
-
 lessThan(QT_MAJOR_VERSION, 5): error("requires Qt 5.6 or higher")
 lessThan(QT_MINOR_VERSION, 6): error("requires Qt 5.6 or higher")