diff --git a/host_usb_mixer_control/OSX/usb_mixer.cpp b/host_usb_mixer_control/OSX/usb_mixer.cpp
index b678a7ed..c2253395 100644
--- a/host_usb_mixer_control/OSX/usb_mixer.cpp
+++ b/host_usb_mixer_control/OSX/usb_mixer.cpp
@@ -1,5 +1,6 @@
 // Copyright 2022-2023 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
diff --git a/host_usb_mixer_control/Win/global.h b/host_usb_mixer_control/Win/global.h
index 6c472889..f869e908 100644
--- a/host_usb_mixer_control/Win/global.h
+++ b/host_usb_mixer_control/Win/global.h
@@ -1,6 +1,6 @@
 // Copyright 2022-2023 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
-                               
+
 /************************************************************************
  *
  *  Module:       global.h
diff --git a/host_usb_mixer_control/mixer_app.cpp b/host_usb_mixer_control/mixer_app.cpp
index bdf58aa3..53656fef 100644
--- a/host_usb_mixer_control/mixer_app.cpp
+++ b/host_usb_mixer_control/mixer_app.cpp
@@ -419,7 +419,6 @@ void usage_error()
 
 int main (int argc, char **argv) {
 
-    printf("I'm running\n");
   unsigned int mixer_index = 0;
   unsigned int result = 0;
 
diff --git a/host_usb_mixer_control/usb_mixer.h b/host_usb_mixer_control/usb_mixer.h
index 366d2b9b..1c8bf70a 100644
--- a/host_usb_mixer_control/usb_mixer.h
+++ b/host_usb_mixer_control/usb_mixer.h
@@ -1,6 +1,6 @@
 // Copyright 2022-2023 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
-                                  
+
 #define USB_MIXER_SUCCESS 0
 #define USB_MIXER_FAILURE -1