diff --git a/bootloader/iaudio_coldfire.c b/bootloader/iaudio_coldfire.c
index c79ab4b0c5..d9e659847a 100644
--- a/bootloader/iaudio_coldfire.c
+++ b/bootloader/iaudio_coldfire.c
@@ -212,9 +212,3 @@ void main(void)
 
     start_firmware();
 }
-
-/* These functions are present in the firmware library, but we reimplement
-   them here because the originals do a lot more than we want */
-void screen_dump(void)
-{
-}
diff --git a/bootloader/iriver_h1x0.c b/bootloader/iriver_h1x0.c
index 7efaaa3308..6c509a9922 100644
--- a/bootloader/iriver_h1x0.c
+++ b/bootloader/iriver_h1x0.c
@@ -588,10 +588,6 @@ void main(void)
 
 /* These functions are present in the firmware library, but we reimplement
    them here because the originals do a lot more than we want */
-void screen_dump(void)
-{
-}
-
 int usb_screen(void)
 {
    return 0;
diff --git a/bootloader/iriver_h300.c b/bootloader/iriver_h300.c
index 3a254f4487..655abfa505 100644
--- a/bootloader/iriver_h300.c
+++ b/bootloader/iriver_h300.c
@@ -648,10 +648,6 @@ void main(void)
 
 /* These functions are present in the firmware library, but we reimplement
    them here because the originals do a lot more than we want */
-void screen_dump(void)
-{
-}
-
 int usb_screen(void)
 {
    return 0;
diff --git a/bootloader/mpio_hd200_hd300.c b/bootloader/mpio_hd200_hd300.c
index 6538c06a31..7067a9d790 100644
--- a/bootloader/mpio_hd200_hd300.c
+++ b/bootloader/mpio_hd200_hd300.c
@@ -539,9 +539,3 @@ void main(void)
     }
 
 }
-
-/* These functions are present in the firmware library, but we reimplement
-   them here because the originals do a lot more than we want */
-void screen_dump(void)
-{
-}
diff --git a/firmware/export/screendump.h b/firmware/export/screendump.h
index cd7793b9d3..953184c3ac 100644
--- a/firmware/export/screendump.h
+++ b/firmware/export/screendump.h
@@ -54,8 +54,8 @@
 
 #ifdef BOOTLOADER
 
-#define screen_dump()
-#define remote_screen_dump()
+#define screen_dump() do { } while(0)
+#define remote_screen_dump() do { } while(0)
 
 #else /* !BOOTLOADER */