diff --git a/doc/index.html b/doc/index.html
index d280c5a..afc0f8d 100644
--- a/doc/index.html
+++ b/doc/index.html
@@ -149,9 +149,6 @@
 <dd>
 	<a href="#Mw_Frame_h__MwFrameClass">MwFrameClass</a>
 </dd>
-<dt>
-	<a href="#Mw_GDI_h">Mw/GDI.h</a>
-</dt>
 <dt>
 	<a href="#Mw_Image_h">Mw/Image.h</a>
 </dt>
@@ -272,9 +269,6 @@
 <dd>
 	<a href="#Mw_Window_h__MwWindowClass">MwWindowClass</a>
 </dd>
-<dt>
-	<a href="#Mw_X11_h">Mw/X11.h</a>
-</dt>
 </dl>
 <hr>
 <h2 align="center" id="Mw_Button_h">Mw/Button.h</h2>
@@ -1338,19 +1332,6 @@
 </dd>
 </dl>
 <hr>
-<h2 align="center" id="Mw_GDI_h">Mw/GDI.h</h2>
-<dl>
-<dt>
-	GDI backend.
-</dt>
-<dt>
-	<img src="warning.gif" alt="warning">
-</dt>
-<dd>
-	This is used internally.
-</dd>
-</dl>
-<hr>
 <h2 align="center" id="Mw_Image_h">Mw/Image.h</h2>
 <dl>
 <dt>
@@ -1743,19 +1724,6 @@
 	Window widget class.
 </dd>
 </dl>
-<hr>
-<h2 align="center" id="Mw_X11_h">Mw/X11.h</h2>
-<dl>
-<dt>
-	X11 backend.
-</dt>
-<dt>
-	<img src="warning.gif" alt="warning">
-</dt>
-<dd>
-	This is used internally.
-</dd>
-</dl>
 <hr>
 	</body>
 </html>
diff --git a/include/Mw/LowLevel.h b/include/Mw/LowLevel.h
index db24282..db9db85 100644
--- a/include/Mw/LowLevel.h
+++ b/include/Mw/LowLevel.h
@@ -22,10 +22,10 @@ typedef void* MwLLPixmap;
 
 #ifdef _MILSKO
 #ifdef USE_X11
-#include <Mw/X11.h>
+#include "../src/backend/x11.h"
 #endif
 #ifdef USE_GDI
-#include <Mw/GDI.h>
+#include "../src/backend/gdi.h"
 #endif
 #endif
 #include <Mw/TypeDefs.h>
diff --git a/include/Mw/GDI.h b/src/backend/gdi.h
similarity index 75%
rename from include/Mw/GDI.h
rename to src/backend/gdi.h
index 1fa899a..3c09307 100644
--- a/include/Mw/GDI.h
+++ b/src/backend/gdi.h
@@ -1,11 +1,6 @@
 /* $Id$ */
-/*!
- * %file Mw/GDI.h
- * %brief GDI backend
- * %warning This is used internally
- */
-#ifndef __MW_GDI_H__
-#define __MW_GDI_H__
+#ifndef __GDI_H__
+#define __GDI_H__
 
 #include <Mw/MachDep.h>
 #include <Mw/TypeDefs.h>
diff --git a/include/Mw/X11.h b/src/backend/x11.h
similarity index 84%
rename from include/Mw/X11.h
rename to src/backend/x11.h
index 22a2877..e693da2 100644
--- a/include/Mw/X11.h
+++ b/src/backend/x11.h
@@ -1,11 +1,6 @@
 /* $Id$ */
-/*!
- * %file Mw/X11.h
- * %brief X11 backend
- * %warning This is used internally
- */
-#ifndef __MW_X11_H__
-#define __MW_X11_H__
+#ifndef __X11_H__
+#define __X11_H__
 
 #include <Mw/MachDep.h>
 #include <Mw/TypeDefs.h>