diff --git a/src/emu/machine/bankdev.h b/src/emu/machine/bankdev.h
index eda98e953ca..137b21d9063 100644
--- a/src/emu/machine/bankdev.h
+++ b/src/emu/machine/bankdev.h
@@ -1,3 +1,8 @@
+#pragma once
+
+#ifndef __BANKDEV_H__
+#define __BANKDEV_H__
+
 #include "emu.h"
 
 #define MCFG_ADDRESS_MAP_BANK_ENDIANNESS(_endianness) \
@@ -65,3 +70,5 @@ private:
 
 // device type definition
 extern const device_type ADDRESS_MAP_BANK;
+
+#endif
diff --git a/src/emu/machine/linflash.h b/src/emu/machine/linflash.h
index 33177d1ff72..d613ecbc54a 100644
--- a/src/emu/machine/linflash.h
+++ b/src/emu/machine/linflash.h
@@ -1,3 +1,8 @@
+#pragma once
+
+#ifndef __LINFLASH_H__
+#define __LINFLASH_H__
+
 #include "emu.h"
 #include "intelfsh.h"
 #include "machine/pccard.h"
@@ -61,3 +66,5 @@ protected:
 	// device-level overrides
 	virtual machine_config_constructor device_mconfig_additions() const;
 };
+
+#endif