diff --git a/src/mame/drivers/gunpey.c b/src/mame/drivers/gunpey.c
index efb169b49cf..493ed50bd63 100644
--- a/src/mame/drivers/gunpey.c
+++ b/src/mame/drivers/gunpey.c
@@ -565,7 +565,7 @@ TIMER_CALLBACK_MEMBER(gunpey_state::blitter_end)
 	gunpey_irq_check(4);
 }
 
-#define SHOW_COMPRESSED_DATA_DEBUG
+//#define SHOW_COMPRESSED_DATA_DEBUG
 
 WRITE8_MEMBER(gunpey_state::gunpey_blitter_w)
 {