diff --git a/src/gui_w48.c b/src/gui_w48.c
index b3948ce..77cc24d 100644
--- a/src/gui_w48.c
+++ b/src/gui_w48.c
@@ -1249,6 +1249,7 @@
     return font;
 }
 
+#if defined(FEAT_EVAL) || defined(PROTO)
 /*
  * Return the name of font "font" in allocated memory.
  * Don't know how to get the actual name, thus use the provided name.
@@ -1262,6 +1263,7 @@
 	return NULL;
     return vim_strsave(name);
 }
+#endif
 
     void
 gui_mch_free_font(GuiFont font)