diff --git a/cpu/mpc85xx/ether_fcc.c b/cpu/mpc85xx/ether_fcc.c
index f78e5b4..c2f88f8 100644
--- a/cpu/mpc85xx/ether_fcc.c
+++ b/cpu/mpc85xx/ether_fcc.c
@@ -135,7 +135,7 @@
 #error "rtx must be 64-bit aligned"
 #endif
 
-#define ET_DEBUG
+#undef ET_DEBUG
 
 static int fec_send(struct eth_device* dev, volatile void *packet, int length)
 {