diff --git a/src/devices/machine/ds1302.h b/src/devices/machine/ds1302.h
index 6afbc9ea9a4..273bd6bbc9e 100644
--- a/src/devices/machine/ds1302.h
+++ b/src/devices/machine/ds1302.h
@@ -18,6 +18,7 @@
 #ifndef __DS1302_H__
 #define __DS1302_H__
 
+#include "emu.h"
 #include "dirtc.h"
 
 
diff --git a/src/devices/machine/hd64610.h b/src/devices/machine/hd64610.h
index 81147baede3..2dc5726ddea 100644
--- a/src/devices/machine/hd64610.h
+++ b/src/devices/machine/hd64610.h
@@ -26,6 +26,7 @@
 #ifndef __HD64610__
 #define __HD64610__
 
+#include "emu.h"
 #include "dirtc.h"
 
 
diff --git a/src/devices/machine/mccs1850.h b/src/devices/machine/mccs1850.h
index f7643f1465e..c029bc3e89b 100644
--- a/src/devices/machine/mccs1850.h
+++ b/src/devices/machine/mccs1850.h
@@ -22,6 +22,7 @@
 #ifndef __MCCS1850__
 #define __MCCS1850__
 
+#include "emu.h"
 #include "dirtc.h"
 
 
diff --git a/src/devices/machine/mm58167.h b/src/devices/machine/mm58167.h
index 6a02497341d..ab1a1d70eb2 100644
--- a/src/devices/machine/mm58167.h
+++ b/src/devices/machine/mm58167.h
@@ -11,6 +11,7 @@
 #ifndef __MM58167_H__
 #define __MM58167_H__
 
+#include "emu.h"
 #include "dirtc.h"
 
 
diff --git a/src/devices/machine/msm5832.h b/src/devices/machine/msm5832.h
index aeb6e512f01..d436d4ccc78 100644
--- a/src/devices/machine/msm5832.h
+++ b/src/devices/machine/msm5832.h
@@ -23,6 +23,7 @@
 #ifndef __MSM5832__
 #define __MSM5832__
 
+#include "emu.h"
 #include "dirtc.h"
 
 
diff --git a/src/devices/machine/msm58321.h b/src/devices/machine/msm58321.h
index 0013f7901cf..b4f9de48053 100644
--- a/src/devices/machine/msm58321.h
+++ b/src/devices/machine/msm58321.h
@@ -22,6 +22,7 @@
 #ifndef __MSM58321__
 #define __MSM58321__
 
+#include "emu.h"
 #include "dirtc.h"
 
 
diff --git a/src/devices/machine/pcf8593.h b/src/devices/machine/pcf8593.h
index addf666d9fb..b2b09f9ebd0 100644
--- a/src/devices/machine/pcf8593.h
+++ b/src/devices/machine/pcf8593.h
@@ -11,6 +11,7 @@
 #ifndef __PCF8593_H__
 #define __PCF8593_H__
 
+#include "emu.h"
 #include "dirtc.h"
 
 
diff --git a/src/devices/machine/rp5c01.h b/src/devices/machine/rp5c01.h
index 279114e9f08..0043cc19b6c 100644
--- a/src/devices/machine/rp5c01.h
+++ b/src/devices/machine/rp5c01.h
@@ -23,6 +23,7 @@
 #ifndef __RP5C01__
 #define __RP5C01__
 
+#include "emu.h"
 #include "dirtc.h"
 
 
diff --git a/src/devices/machine/rp5c15.h b/src/devices/machine/rp5c15.h
index 4aa3c721662..4a10eaeae3c 100644
--- a/src/devices/machine/rp5c15.h
+++ b/src/devices/machine/rp5c15.h
@@ -23,6 +23,7 @@
 #ifndef __RP5C15__
 #define __RP5C15__
 
+#include "emu.h"
 #include "dirtc.h"
 
 
diff --git a/src/devices/machine/rtc4543.h b/src/devices/machine/rtc4543.h
index bd94c2eb918..9a252424eb2 100644
--- a/src/devices/machine/rtc4543.h
+++ b/src/devices/machine/rtc4543.h
@@ -12,6 +12,7 @@
 #ifndef __RTC4543_H__
 #define __RTC4543_H__
 
+#include "emu.h"
 #include "dirtc.h"