diff --git a/sys/boot/arm/at91/boot2/boot2.c b/sys/boot/arm/at91/boot2/boot2.c
index e0e88ea2fc3..67ec5d0dafb 100644
--- a/sys/boot/arm/at91/boot2/boot2.c
+++ b/sys/boot/arm/at91/boot2/boot2.c
@@ -173,10 +173,6 @@ main(void)
 		c = 0;
 		if (parse())
 			xputchar('\a');
-#ifdef XMODEM_DL
-		else if (*cmd == '*')
-			Update();
-#endif
 		else
 			load();
 	}
diff --git a/sys/boot/arm/at91/boot2/centipad_board.c b/sys/boot/arm/at91/boot2/centipad_board.c
index 17b46b5a9e2..c1b621e038a 100644
--- a/sys/boot/arm/at91/boot2/centipad_board.c
+++ b/sys/boot/arm/at91/boot2/centipad_board.c
@@ -50,11 +50,6 @@ MacFromEE()
 	  mac[1], mac[2], mac[3], mac[4], mac[5]);
 }
 
-void
-Update(void)
-{
-}
-
 void
 board_init(void)
 {
diff --git a/sys/boot/arm/at91/boot2/kb920x_board.c b/sys/boot/arm/at91/boot2/kb920x_board.c
index b097215d882..52f9676be41 100644
--- a/sys/boot/arm/at91/boot2/kb920x_board.c
+++ b/sys/boot/arm/at91/boot2/kb920x_board.c
@@ -48,11 +48,6 @@ MacFromEE()
 	  mac[1], mac[2], mac[3], mac[4], mac[5]);
 }
 
-void
-Update(void)
-{
-}
-
 void
 board_init(void)
 {