diff --git a/qgroundcontrol.pri b/qgroundcontrol.pri
index aeabbef3101018f00a461b7723524005577ff048..a7599d7c51d24cdd46968a7ff79667ba4636598f 100644
--- a/qgroundcontrol.pri
+++ b/qgroundcontrol.pri
@@ -28,9 +28,9 @@ win32-msvc2008|win32-msvc2010|win32-msvc2012 {
 # Turn off serial port warnings
 DEFINES += _TTY_NOWARN_
 
-// This is the list of application resources which must be copied to the build target location
-// We create one list and use it in each build type so that the various build flavors don't
-// get out of sync.
+# This is the list of application resources which must be copied to the build target location
+# We create one list and use it in each build type so that the various build flavors don't
+# get out of sync.
 COPY_RESOURCE_LIST = \
     $$BASEDIR/files \
     $$BASEDIR/qml \
diff --git a/src/GAudioOutput.cc b/src/GAudioOutput.cc
index b3eb0e533e86bdd2ccf165b8604d3e68486a2422..e4f158d5efe4cd14e7465541d258bcfef8ba94d9 100644
--- a/src/GAudioOutput.cc
+++ b/src/GAudioOutput.cc
@@ -44,14 +44,6 @@ This file is part of the QGROUNDCONTROL project
 // Speech synthesis is only supported with MSVC compiler
 #if _MSC_VER
 // Documentation: http://msdn.microsoft.com/en-us/library/ee125082%28v=VS.85%29.aspx
-#define _ATL_APARTMENT_THREADED
-
-#include <atlbase.h>
-//You may derive a class from CComModule and use it if you want to override something,
-//but do not change the name of _Module
-extern CComModule _Module;
-#include <atlcom.h>
-
 #include <sapi.h>
 
 //using System;
diff --git a/src/GAudioOutput.h b/src/GAudioOutput.h
index faef16f5e438a4cef6db147feebf67d2553d1107..2f7ecdf948f281002346175467f459103052a890 100644
--- a/src/GAudioOutput.h
+++ b/src/GAudioOutput.h
@@ -65,12 +65,6 @@ extern "C" {
 
 #if _MSC_VER
 // Documentation: http://msdn.microsoft.com/en-us/library/ee125082%28v=VS.85%29.aspx
-#define _ATL_APARTMENT_THREADED
-#include <atlbase.h>
-//You may derive a class from CComModule and use it if you want to override something,
-//but do not change the name of _Module
-extern CComModule _Module;
-#include <atlcom.h>
 #include <sapi.h>
 #endif