diff --git a/src/backends/edid.h b/src/backends/edid.h
index 01480bf6b..f07fd9e55 100644
--- a/src/backends/edid.h
+++ b/src/backends/edid.h
@@ -189,7 +189,5 @@ struct MonitorInfo
 };
 
 MonitorInfo *decode_edid (const uchar *data);
-char *make_display_name (const MonitorInfo *info);
-char *make_display_size_string (int width_mm, int height_mm);
 
 #endif