1 files changed, 0 insertions, 1 deletions

diff --git a/src/msdos.h b/src/msdos.h
index 0d15df7a331..90ceea8e3d2 100644
--- a/src/msdos.h
+++ b/src/msdos.h
@@ -95,7 +95,6 @@ typedef struct tty_display_info Display_Info;
 extern struct tty_display_info the_only_display_info;
 extern struct tty_output the_only_tty_output;
 
-#define FRAME_X_DISPLAY(f) ((Display *) 0)
 #define FRAME_FONT(f) ((f)->output_data.tty->font)
 #define FRAME_DISPLAY_INFO(f) (&the_only_display_info)