diff --git a/src/platforms/common/aux_serial.c b/src/platforms/common/aux_serial.c
index 8f7b17d..ca44140 100644
--- a/src/platforms/common/aux_serial.c
+++ b/src/platforms/common/aux_serial.c
@@ -35,7 +35,7 @@
 
 #include "general.h"
 #include "usbuart.h"
-#include "usb.h"
+#include "usb_serial.h"
 #include "aux_serial.h"
 
 static char aux_serial_receive_buffer[AUX_UART_BUFFER_SIZE];
diff --git a/src/platforms/common/usb_serial.h b/src/platforms/common/usb_serial.h
index 10113eb..ceed6f2 100644
--- a/src/platforms/common/usb_serial.h
+++ b/src/platforms/common/usb_serial.h
@@ -1,8 +1,8 @@
 /*
  * This file is part of the Black Magic Debug project.
  *
- * Copyright (C) 2015  Black Sphere Technologies Ltd.
- * Written by Gareth McMullin <gareth@blacksphere.co.nz>
+ * Copyright (C) 2022 1BitSquared <info@1bitsquared.com>
+ * Written by Rachel Mant <git@dragonmux.network>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -18,13 +18,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/* This file implements a the USB Communications Device Class - Abstract
- * Control Model (CDC-ACM) as defined in CDC PSTN subclass 1.2.
- * A Device Firmware Upgrade (DFU 1.1) class interface is provided for
- * field firmware upgrade.
- *
- * The device's unique id is used as the USB serial number string.
- */
 #ifndef USB_SERIAL_H
 #define USB_SERIAL_H
 
@@ -36,4 +29,7 @@ void usb_serial_set_config(usbd_device *dev, uint16_t value);
 
 bool gdb_serial_get_dtr(void);
 
+void debug_serial_run(void);
+uint32_t debug_serial_fifo_send(const char *fifo, uint32_t fifo_begin, uint32_t fifo_end);
+
 #endif /*USB_SERIAL_H*/
diff --git a/src/platforms/common/usbuart.h b/src/platforms/common/usbuart.h
index 4c0bb95..5de5fca 100644
--- a/src/platforms/common/usbuart.h
+++ b/src/platforms/common/usbuart.h
@@ -22,9 +22,6 @@
 
 #include "general.h"
 
-void debug_serial_run(void);
-uint32_t debug_serial_fifo_send(const char *const fifo, const uint32_t fifo_begin, const uint32_t fifo_end);
-
 #define TX_LED_ACT (1 << 0)
 #define RX_LED_ACT (1 << 1)