diff --git a/src/emu/bus/c64/cpm.h b/src/emu/bus/c64/cpm.h
index b9dd3df34bd..c717a9c23cc 100644
--- a/src/emu/bus/c64/cpm.h
+++ b/src/emu/bus/c64/cpm.h
@@ -14,8 +14,6 @@
 #ifndef __CPM__
 #define __CPM__
 
-#define ADDRESS_MAP_MODERN
-
 #include "emu.h"
 #include "cpu/z80/z80.h"
 #include "exp.h"
diff --git a/src/emu/sound/qs1000.c b/src/emu/sound/qs1000.c
index 65009b22bbd..59a7be87f1e 100644
--- a/src/emu/sound/qs1000.c
+++ b/src/emu/sound/qs1000.c
@@ -121,8 +121,6 @@
     * Dump the internal ROM
 
 ***************************************************************************/
-#define ADDRESS_MAP_MODERN
-
 #include "emu.h"
 #include "qs1000.h"
 
diff --git a/src/mame/drivers/taitotz.c b/src/mame/drivers/taitotz.c
index 2a0e586c499..fe842464fa4 100644
--- a/src/mame/drivers/taitotz.c
+++ b/src/mame/drivers/taitotz.c
@@ -169,8 +169,6 @@ Notes:
 
 */
 
-#define ADDRESS_MAP_MODERN
-
 #include "emu.h"
 #include "cpu/powerpc/ppc.h"
 #include "cpu/tlcs900/tlcs900.h"
diff --git a/src/mess/drivers/swtpc09.c b/src/mess/drivers/swtpc09.c
index b3c42aa5223..f637bf5d1be 100644
--- a/src/mess/drivers/swtpc09.c
+++ b/src/mess/drivers/swtpc09.c
@@ -21,8 +21,6 @@
 	   
 ***************************************************************************/
 
-#define ADDRESS_MAP_MODERN
-
 #include "emu.h"
 #include "includes/swtpc09.h"