diff --git a/src/gui/src/MainWindow.cpp b/src/gui/src/MainWindow.cpp
index bfe042c6..be41067a 100644
--- a/src/gui/src/MainWindow.cpp
+++ b/src/gui/src/MainWindow.cpp
@@ -52,7 +52,6 @@
 #endif
 
 #if defined(Q_OS_WIN)
-#define _WIN32_WINNT 0x0501
 #define WIN32_LEAN_AND_MEAN
 #include <Windows.h>
 #endif