diff --git a/src/emu/cpu/drcbex64.c b/src/emu/cpu/drcbex64.c
index bc20a787bd6..091ad3719e1 100644
--- a/src/emu/cpu/drcbex64.c
+++ b/src/emu/cpu/drcbex64.c
@@ -195,6 +195,7 @@
 
 ***************************************************************************/
 
+#include <stddef.h>
 #include "emu.h"
 #include "debugger.h"
 #include "drcuml.h"
diff --git a/src/emu/cpu/drcbex86.c b/src/emu/cpu/drcbex86.c
index 3a0535a7d00..393467e0cae 100644
--- a/src/emu/cpu/drcbex86.c
+++ b/src/emu/cpu/drcbex86.c
@@ -111,6 +111,7 @@
 
 **************************************************************************/
 
+#include <stddef.h>
 #include "emu.h"
 #include "debugger.h"
 #include "drcuml.h"
diff --git a/src/emu/devcpu.h b/src/emu/devcpu.h
index b94f8f67e5a..d361127bb40 100644
--- a/src/emu/devcpu.h
+++ b/src/emu/devcpu.h
@@ -46,8 +46,6 @@
 #ifndef __DEVCPU_H__
 #define __DEVCPU_H__
 
-#include "devlegcy.h"
-
 //**************************************************************************
 //  CONSTANTS
 //**************************************************************************
diff --git a/src/emu/devlegcy.h b/src/emu/devlegcy.h
index 450b05f442f..603d1160418 100644
--- a/src/emu/devlegcy.h
+++ b/src/emu/devlegcy.h
@@ -42,8 +42,6 @@
 #ifndef __DEVLEGCY_H__
 #define __DEVLEGCY_H__
 
-#include <stddef.h>
-
 //**************************************************************************
 //  MACROS
 //**************************************************************************