diff --git a/sources/pci.c b/sources/pci.c
index 79d43ca..c657cc1 100644
--- a/sources/pci.c
+++ b/sources/pci.c
@@ -33,7 +33,7 @@
 #include "interrupts.h"
 #include "wait.h"
 
-#define DEBUG_PCI
+// #define DEBUG_PCI
 #ifdef DEBUG_PCI
 #define debug_printf(format, arg...) do { xprintf("DEBUG: " format "\r\n", ##arg); } while (0)
 #else