diff --git a/dlls/xaudio2_7/compat.c b/dlls/xaudio2_7/compat.c
index 516d6c20bf4..b9e720f22c7 100644
--- a/dlls/xaudio2_7/compat.c
+++ b/dlls/xaudio2_7/compat.c
@@ -101,7 +101,9 @@
 
 #include "wine/debug.h"
 
+#if XAUDIO2_VER <= 7
 WINE_DEFAULT_DEBUG_CHANNEL(xaudio2);
+#endif
 
 /* BEGIN IXAudio2SourceVoice */
 #if XAUDIO2_VER == 0
diff --git a/dlls/xaudio2_7/x3daudio.c b/dlls/xaudio2_7/x3daudio.c
index a182852c19b..58f7062ad68 100644
--- a/dlls/xaudio2_7/x3daudio.c
+++ b/dlls/xaudio2_7/x3daudio.c
@@ -23,7 +23,9 @@
 
 #include "wine/debug.h"
 
+#if XAUDIO2_VER >= 8 || defined X3DAUDIO1_VER
 WINE_DEFAULT_DEBUG_CHANNEL(xaudio2);
+#endif
 
 #ifdef X3DAUDIO1_VER
 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD reason, void *pReserved)