diff --git a/firmware/hackrf_usb/usb_bulk_buffer.c b/firmware/hackrf_usb/usb_bulk_buffer.c
index 9048f49a..9b671e05 100644
--- a/firmware/hackrf_usb/usb_bulk_buffer.c
+++ b/firmware/hackrf_usb/usb_bulk_buffer.c
@@ -22,11 +22,5 @@
 
 #include "usb_bulk_buffer.h"
 
-/* Address of usb_bulk_buffer is set in ldscripts. If you change the name of this
- * variable, it won't be where it needs to be in the processor's address space,
- * unless you also adjust the ldscripts.
- */
-uint8_t usb_bulk_buffer[32768];
-
 const uint32_t usb_bulk_buffer_mask = 32768 - 1;
 volatile uint32_t usb_bulk_buffer_offset = 0;
diff --git a/firmware/hackrf_usb/usb_bulk_buffer.h b/firmware/hackrf_usb/usb_bulk_buffer.h
index 967bd16c..2acce718 100644
--- a/firmware/hackrf_usb/usb_bulk_buffer.h
+++ b/firmware/hackrf_usb/usb_bulk_buffer.h
@@ -25,7 +25,12 @@
 
 #include <stdint.h>
 
+/* Address of usb_bulk_buffer is set in ldscripts. If you change the name of this
+ * variable, it won't be where it needs to be in the processor's address space,
+ * unless you also adjust the ldscripts.
+ */
 extern uint8_t usb_bulk_buffer[32768];
+
 extern const uint32_t usb_bulk_buffer_mask;
 
 extern volatile uint32_t usb_bulk_buffer_offset;