diff --git a/qw/include/d_ifacea.h b/include/d_ifacea.h
similarity index 100%
rename from qw/include/d_ifacea.h
rename to include/d_ifacea.h
diff --git a/nq/include/Makefile.am b/nq/include/Makefile.am
index 6e3fe368a..de993988a 100644
--- a/nq/include/Makefile.am
+++ b/nq/include/Makefile.am
@@ -1,5 +1,5 @@
 ## Process this file with automake to produce Makefile.in
-EXTRA_DIST=	chase.h client.h config.h.in conproc.h d_iface.h d_ifacea.h \
+EXTRA_DIST=	chase.h client.h config.h.in conproc.h d_iface.h \
 		d_local.h game.h glquake2.h host.h mpdosock.h net.h net_bw.h \
 		net_dgrm.h net_ipx.h net_loop.h net_mp.h net_ser.h net_udp.h \
 		net_vcr.h net_wins.h net_wipx.h progdefs.h progdefs.q1 \
diff --git a/nq/include/d_ifacea.h b/nq/include/d_ifacea.h
deleted file mode 100644
index 3c05b6c69..000000000
--- a/nq/include/d_ifacea.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
-	d_ifacea.h
-
-	@description@
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	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:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-
-//
-// !!! note that this file must match the corresponding C structures in
-// d_iface.h at all times !!!
-//
-
-// !!! if this is changed, it must be changed in r_shared.h too !!!
-#define ALIAS_ONSEAM				0x0020
-
-// !!! if this is changed, it must be changed in d_iface.h too !!!
-#define TURB_TEX_SIZE	64		// base turbulent texture size
-
-// !!! if this is changed, it must be changed in d_iface.h too !!!
-#define	CYCLE	128
-
-// !!! if this is changed, it must be changed in r_shared.h too !!!
-#define	MAXHEIGHT	1024
-
-// !!! if this is changed, it must be changed in quakedef.h too !!!
-#define CACHE_SIZE	32		// used to align key data structures
-
-// particle_t structure
-// !!! if this is changed, it must be changed in d_iface.h too !!!
-// driver-usable fields
-#define pt_org				0
-#define pt_color			12
-// drivers never touch the following fields
-#define pt_next				16
-#define pt_vel				20
-#define pt_ramp				32
-#define pt_die				36
-#define pt_type				40
-#define pt_size				44
-
-#define PARTICLE_Z_CLIP	8.0
-
-// finalvert_t structure
-// !!! if this is changed, it must be changed in d_iface.h too !!!
-#define fv_v				0	// !!! if this is moved, cases where the !!!
-								// !!! address of this field is pushed in !!!
-								// !!! d_polysa.s must be changed !!!
-#define fv_flags			24
-#define fv_reserved			28
-#define fv_size				32
-#define fv_shift			5
-
-
-// stvert_t structure
-// !!! if this is changed, it must be changed in modelgen.h too !!!
-#define stv_onseam	0
-#define stv_s		4
-#define stv_t		8
-#define stv_size	12
-
-
-// trivertx_t structure
-// !!! if this is changed, it must be changed in modelgen.h too !!!
-#define tv_v				0
-#define tv_lightnormalindex	3
-#define tv_size				4
-
-// affinetridesc_t structure
-// !!! if this is changed, it must be changed in d_iface.h too !!!
-#define atd_pskin			0
-#define atd_pskindesc		4
-#define atd_skinwidth		8
-#define atd_skinheight		12
-#define atd_ptriangles		16
-#define atd_pfinalverts		20
-#define atd_numtriangles	24
-#define atd_drawtype		28
-#define atd_seamfixupX16	32
-#define atd_size			36
-
diff --git a/qw/include/Makefile.am b/qw/include/Makefile.am
index e80586d40..5e659b957 100644
--- a/qw/include/Makefile.am
+++ b/qw/include/Makefile.am
@@ -3,7 +3,7 @@ AUTOMAKE_OPTIONS=	foreign
 
 EXTRA_DIST =	bothdefs.h cl_cam.h cl_demo.h cl_ents.h cl_input.h \
 		cl_main.h cl_parse.h cl_pred.h cl_slist.h cl_tent.h client.h \
-		commdef.h d_iface.h d_ifacea.h d_local.h game.h host.h \
+		commdef.h d_iface.h d_local.h game.h host.h \
 		logos.h modelgen.h msg_ucmd.h net.h pmove.h progdefs.h \
 		protocol.h r_dynamic.h r_local.h r_shared.h render.h server.h \
 		sv_pr_cmds.h sv_progs.h world.h