diff --git a/include/vcl/settings.hxx b/include/vcl/settings.hxx
index 401da27abf7d..aba70200b324 100644
--- a/include/vcl/settings.hxx
+++ b/include/vcl/settings.hxx
@@ -31,8 +31,6 @@
 #include <memory>
 #include <vector>
 
-#include <optional>
-
 class BitmapEx;
 class LanguageTag;
 class SvtSysLocale;