diff --git a/projects/mtg/include/utils.h b/projects/mtg/include/utils.h
index efea2b097..838007a02 100644
--- a/projects/mtg/include/utils.h
+++ b/projects/mtg/include/utils.h
@@ -29,9 +29,12 @@
 #include <algorithm>
 #include <stdlib.h>
 
+#if defined( WIN32 ) || defined (LINUX)
 // enable this define to collect statistics on how many times an ifstream is created for a given file.
 //#define TRACK_FILE_USAGE_STATS
 
+#endif
+
 namespace wagic
 {