diff --git a/ref_soft/d_ifacea.h b/ref_soft/d_ifacea.h
deleted file mode 100644
index 851fb18..0000000
--- a/ref_soft/d_ifacea.h
+++ /dev/null
@@ -1,76 +0,0 @@
-//
-// d_ifacea.h
-//
-// Include file for asm driver interface.
-//
-
-//
-// !!! 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 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	1200
-
-// !!! if this is changed, it must be changed in qcommon.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/ref_soft/sys_dosa.S b/src/sys_dosa.S
similarity index 100%
rename from ref_soft/sys_dosa.S
rename to src/sys_dosa.S