diff --git a/src/window.h b/src/window.h
index 6b99aea..6616b2a 100644
--- a/src/window.h
+++ b/src/window.h
@@ -1,7 +1,6 @@
 #pragma once
 
 #include <memory>
-#include <optional>
 
 namespace starter_window
 {