diff --git a/src/devices/machine/pic8259.c b/src/devices/machine/pic8259.c
index 51696bd9963..40fe6fd916c 100644
--- a/src/devices/machine/pic8259.c
+++ b/src/devices/machine/pic8259.c
@@ -16,9 +16,9 @@
 #include "emu.h"
 #include "machine/pic8259.h"
 
-#define LOG_ICW     1
-#define LOG_OCW     1
-#define LOG_GENERAL  1
+#define LOG_ICW     0
+#define LOG_OCW     0
+#define LOG_GENERAL  0
 
 ALLOW_SAVE_TYPE(pic8259_device::pic8259_state_t); // allow save_item on a non-fundamental type