diff --git a/hw/xfree86/sdksyms.sh b/hw/xfree86/sdksyms.sh
index 4df88f63f..982987472 100755
--- a/hw/xfree86/sdksyms.sh
+++ b/hw/xfree86/sdksyms.sh
@@ -200,7 +200,6 @@ cat > sdksyms.c << EOF
 #include "mizerarc.h"
 #include "micoord.h"
 #include "mistruct.h"
-#include "mioverlay.h"
 
 
 /* randr/Makefile.am */
diff --git a/mi/meson.build b/mi/meson.build
index 74595494e..47615b699 100644
--- a/mi/meson.build
+++ b/mi/meson.build
@@ -32,7 +32,6 @@ hdrs_mi = [
   'migc.h',
   'mi.h',
   'miline.h',
-  'mioverlay.h',
   'mipointer.h',
   'mipointrst.h',
   'mistruct.h',
diff --git a/mi/mioverlay.h b/mi/mioverlay.h
deleted file mode 100644
index 857491dd3..000000000
--- a/mi/mioverlay.h
+++ /dev/null
@@ -1,12 +0,0 @@
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#ifndef __MIOVERLAY_H
-#define __MIOVERLAY_H
-
-typedef void (*miOverlayTransFunc) (ScreenPtr, int, BoxPtr);
-typedef Bool (*miOverlayInOverlayFunc) (WindowPtr);
-
-#endif                          /* __MIOVERLAY_H */