diff --git a/src/system/kernel/posix/xsi_semaphore.cpp b/src/system/kernel/posix/xsi_semaphore.cpp
index 7c14316f23..1cf30cd47f 100644
--- a/src/system/kernel/posix/xsi_semaphore.cpp
+++ b/src/system/kernel/posix/xsi_semaphore.cpp
@@ -25,7 +25,7 @@
 #include <AutoDeleter.h>
 
 
-#define TRACE_XSI_SEM
+//#define TRACE_XSI_SEM
 #ifdef TRACE_XSI_SEM
 #	define TRACE(x)			dprintf x
 #	define TRACE_ERROR(x)	dprintf x