diff --git a/src/platform/windows/audio.cpp b/src/platform/windows/audio.cpp
index eac55e89..1f794e24 100644
--- a/src/platform/windows/audio.cpp
+++ b/src/platform/windows/audio.cpp
@@ -2,6 +2,7 @@
  * @file src/platform/windows/audio.cpp
  * @brief todo
  */
+#define INITGUID
 #include <audioclient.h>
 #include <mmdeviceapi.h>
 #include <roapi.h>
@@ -12,10 +13,6 @@
 
 #include <newdev.h>
 
-#define INITGUID
-#include <propkeydef.h>
-#undef INITGUID
-
 #include "src/config.h"
 #include "src/main.h"
 #include "src/platform/common.h"
@@ -29,11 +26,6 @@ DEFINE_PROPERTYKEY(PKEY_Device_DeviceDesc, 0xa45c254e, 0xdf1c, 0x4efd, 0x80, 0x2
 DEFINE_PROPERTYKEY(PKEY_Device_FriendlyName, 0xa45c254e, 0xdf1c, 0x4efd, 0x80, 0x20, 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 14);  // DEVPROP_TYPE_STRING
 DEFINE_PROPERTYKEY(PKEY_DeviceInterface_FriendlyName, 0x026e516e, 0xb814, 0x414b, 0x83, 0xcd, 0x85, 0x6d, 0x6f, 0xef, 0x48, 0x22, 2);
 
-const CLSID CLSID_MMDeviceEnumerator = __uuidof(MMDeviceEnumerator);
-const IID IID_IMMDeviceEnumerator = __uuidof(IMMDeviceEnumerator);
-const IID IID_IAudioClient = __uuidof(IAudioClient);
-const IID IID_IAudioCaptureClient = __uuidof(IAudioCaptureClient);
-
 #if defined(__x86_64) || defined(_M_AMD64)
   #define STEAM_DRIVER_SUBDIR L"x64"
 #elif defined(__i386) || defined(_M_IX86)
diff --git a/tools/audio.cpp b/tools/audio.cpp
index 0d05df5e..81894382 100644
--- a/tools/audio.cpp
+++ b/tools/audio.cpp
@@ -2,6 +2,7 @@
  * @file tools/audio.cpp
  * @brief todo
  */
+#define INITGUID
 #include <audioclient.h>
 #include <mmdeviceapi.h>
 #include <roapi.h>
@@ -11,10 +12,6 @@
 
 #include <synchapi.h>
 
-#define INITGUID
-#include <propkeydef.h>
-#undef INITGUID
-
 #include <iostream>
 
 #include "src/utility.h"
@@ -24,10 +21,6 @@ DEFINE_PROPERTYKEY(PKEY_Device_FriendlyName, 0xa45c254e, 0xdf1c, 0x4efd, 0x80, 0
 DEFINE_PROPERTYKEY(PKEY_DeviceInterface_FriendlyName, 0x026e516e, 0xb814, 0x414b, 0x83, 0xcd, 0x85, 0x6d, 0x6f, 0xef, 0x48, 0x22, 2);
 
 using namespace std::literals;
-const CLSID CLSID_MMDeviceEnumerator = __uuidof(MMDeviceEnumerator);
-const IID IID_IMMDeviceEnumerator = __uuidof(IMMDeviceEnumerator);
-const IID IID_IAudioClient = __uuidof(IAudioClient);
-const IID IID_IAudioCaptureClient = __uuidof(IAudioCaptureClient);
 
 int device_state_filter = DEVICE_STATE_ACTIVE;