diff --git a/fsi.c b/fsi.c
index ff8a2d9b190274c3e7ef3a367d9aa334c6656afb..4b7814b0b42981b4816f79c8ac79d81735cbca85 100644
--- a/fsi.c
+++ b/fsi.c
@@ -10,7 +10,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#define DEBUG
+// #define DEBUG
 
 // General FSI register definitions for IBM CFAM slaves
 #define IBM_CFAM_FSI_SMODE 0x0800