Do no evil. :)

src/Makefile

@@ -91,7 +91,6 @@ CFLAGS		+= -I include -I arch/$(ARCH)/include -I . -DARCH=$(ARCH)
 CFLAGS		+= -Os -ffreestanding
 CFLAGS		+= -Wall -W
 CFLAGS		+= -g
-CFLAGS		+= -DCONSOLE_DUAL -DCOMCONSOLE=0x3F8 -DCONSPEED=9600
 CFLAGS		+= $(EXTRA_CFLAGS)
 ASFLAGS		+= $(EXTRA_ASFLAGS)
 LDFLAGS		+= $(EXTRA_LDFLAGS)