diff --git a/d1x-rebirth/include/editor/medwall.h b/common/include/editor/medwall.h
similarity index 100%
rename from d1x-rebirth/include/editor/medwall.h
rename to common/include/editor/medwall.h
diff --git a/d2x-rebirth/include/editor/medwall.h b/d2x-rebirth/include/editor/medwall.h
deleted file mode 100644
index 740d7596c..000000000
--- a/d2x-rebirth/include/editor/medwall.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
-THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
-SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
-END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
-ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
-IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
-SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
-FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
-CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
-AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
-COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
-*/
-
-/*
- *
- * Created from version 1.6 of main\wall.h
- *
- */
-
-#ifndef _MEDWALL_H
-#define _MEDWALL_H
-
-#include "wall.h"
-#include "inferno.h"
-#include "segment.h"
-
-extern int wall_add_removable(); 
-
-// Restores all the walls to original status
-extern int wall_restore_all();
-
-// Reset a wall.
-extern void wall_reset(segment *seg, short side);
-
-// Adds a removable wall (medwall.c)
-extern int wall_add_removable();
-
-// Adds a door (medwall.c)
-extern int wall_add_door();
-
-// Adds an illusory wall (medwall.c)
-extern int wall_add_illusion();
-
-// Removes a removable wall (medwall.c) 
-extern int wall_remove_blastable(); 
-
-// Adds a wall. (visually)
-extern int wall_add_to_curside();
-extern int wall_add_to_markedside(sbyte type);
- 
-// Removes a wall. (visually)
-extern int wall_remove();
-
-// Removes a specific side.
-int wall_remove_side(segment *seg, short side);
-
-extern int bind_wall_to_control_center();
-
-extern void close_wall_window();
-
-extern void do_wall_window();
-
-extern int wall_link_doors();
-extern int wall_unlink_door();
-extern void copy_group_walls(int old_group, int new_group);
-
-#endif
-