diff --git a/src/window_manager.h b/src/window_manager.h
index febc499..7743a28 100644
--- a/src/window_manager.h
+++ b/src/window_manager.h
@@ -3,12 +3,6 @@
 
 #include <stddef.h>
 
-#ifdef _WIN32
-#define WIN32_LEAN_AND_MEAN
-#define NOMINMAX
-#include <windows.h>
-#endif
-
 #include "geometry.h"
 
 namespace fallout {