diff --git a/include/xwindow.h b/include/xwindow.h
index e05e94ae3..ab10be952 100644
--- a/include/xwindow.h
+++ b/include/xwindow.h
@@ -76,8 +76,8 @@
 #define XtNexposeCallback "exposeCallback"
 #define XtNresizeCallback "resizeCallback"
 
-extern XFontStruct *WindowFontStruct(/* Widget */);
-extern Font WindowFont(/* Widget */);
+extern XFontStruct *WindowFontStruct(Widget);
+extern Font WindowFont(Widget);
 
 #define XtCWindowResource "WindowResource"
 #define XtCRows "Rows"