diff --git a/source/Lib/CommonLib/TypeDef.h b/source/Lib/CommonLib/TypeDef.h
index d5ca3e81b3fa76819f522bc8c4575c894527083a..1823667ed7de519e677db90c7a1feaf71370f31b 100644
--- a/source/Lib/CommonLib/TypeDef.h
+++ b/source/Lib/CommonLib/TypeDef.h
@@ -387,7 +387,7 @@ typedef std::pair<int, int>  TrCost;
 // ====================================================================================================================
 
 #ifndef ENABLE_TRACING
-#define ENABLE_TRACING                                    1 // DISABLE by default (enable only when debugging, requires 15% run-time in decoding) -- see documentation in 'doc/DTrace for NextSoftware.pdf'
+#define ENABLE_TRACING                                    0 // DISABLE by default (enable only when debugging, requires 15% run-time in decoding) -- see documentation in 'doc/DTrace for NextSoftware.pdf'
 #endif
 
 #if ENABLE_TRACING