diff --git a/Main/GLTKkey.c b/Main/GLTKkey.c
deleted file mode 100644
index 36595607f..000000000
--- a/Main/GLTKkey.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/**************************************************************************
- * tkglkey.c -- handle tkgl keyboard events
- *
- * Written by Curtis Olson, started May 1997.
- *
- * Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Id$
- * (Log is kept at end of this file)
- **************************************************************************/
-
-
-#include <stdio.h>
-
-/* assumes -I/usr/include/mesa in compile command */
-#include "gltk.h"
-
-#include "GLTKkey.h"
-#include "../Aircraft/aircraft.h"
-
-
-/* Handle keyboard events */
-GLenum GLTKkey(int k, GLenum mask) {
-    struct control_params *c;
-
-    c = &current_aircraft.controls;
-
-    switch (k) {
-    case TK_UP:
-	c->elev -= 0.1;
-	return GL_TRUE;
-    case TK_DOWN:
-	c->elev += 0.1;
-	return GL_TRUE;
-    case TK_LEFT:
-	c->aileron += 0.01;
-	return GL_TRUE;
-    case TK_RIGHT:
-	c->aileron -= 0.01;
-	return GL_TRUE;
-    case 1 /* TK_END */:
-	c->rudder -= 0.01;
-	return GL_TRUE;
-    case 2 /* TK_PGDWN */:
-	c->rudder += 0.01;
-	return GL_TRUE;
-    case TK_a:
-	c->throttle[0] -= 0.05;
-	return GL_TRUE;
-    case TK_s:
-	c->throttle[0] += 0.05;
-	return GL_TRUE;
-    case TK_ESCAPE:
-	tkQuit();
-    }
-
-    printf("Key hit = %d\n", k);
-
-    return GL_FALSE;
-}
-
-
-/* $Log$
-/* Revision 1.4  1997/06/26 19:08:32  curt
-/* Restructuring make, adding automatic "make dep" support.
-/*
- * Revision 1.3  1997/06/21 17:12:52  curt
- * Capitalized subdirectory names.
- *
- * Revision 1.2  1997/05/23 15:40:24  curt
- * Added GNU copyright headers.
- * Fog now works!
- *
- * Revision 1.1  1997/05/21 15:57:49  curt
- * Renamed due to added GLUT support.
- *
- * Revision 1.2  1997/05/19 18:22:41  curt
- * Parameter tweaking ... starting to stub in fog support.
- *
- * Revision 1.1  1997/05/16 16:05:51  curt
- * Initial revision.
- *
- */
diff --git a/Main/GLTKkey.h b/Main/GLTKkey.h
deleted file mode 100644
index a92cb9f94..000000000
--- a/Main/GLTKkey.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/**************************************************************************
- * tkglkey.h -- handle tkgl keyboard events
- *
- * Written by Curtis Olson, started May 1997.
- *
- * Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Id$
- * (Log is kept at end of this file)
- **************************************************************************/
-
-
-#ifndef GLTKKEY_H
-#define GLTKKEY_H
-
-
-/* assumes -I/usr/include/mesa in compile command */
-#include "gltk.h"
-
-/* Handle keyboard events */
-GLenum GLTKkey(int k, GLenum mask);
-
-
-#endif /* GLTKKEY_H */
-
-
-/* $Log$
-/* Revision 1.3  1997/07/23 21:52:22  curt
-/* Put comments around the text after an #endif for increased portability.
-/*
- * Revision 1.2  1997/05/23 15:40:24  curt
- * Added GNU copyright headers.
- * Fog now works!
- *
- * Revision 1.1  1997/05/21 15:57:49  curt
- * Renamed due to added GLUT support.
- *
- * Revision 1.2  1997/05/17 00:17:34  curt
- * Trying to stub in support for standard OpenGL.
- *
- * Revision 1.1  1997/05/16 16:05:53  curt
- * Initial revision.
- *
- */