diff --git a/language.version b/language.version
index c1b875702..d7da57c44 100644
--- a/language.version
+++ b/language.version
@@ -1,3 +1,3 @@
 [default]
-SWWM_MODVER="\cyDEMOLITIONIST \cw1.3pre r392 \cu(Wed 31 Aug 10:58:25 CEST 2022)\c-";
-SWWM_SHORTVER="\cw1.3pre r392 \cu(2022-08-31 10:58:25)\c-";
+SWWM_MODVER="\cyDEMOLITIONIST \cw1.3pre r393 \cu(Wed 31 Aug 11:43:51 CEST 2022)\c-";
+SWWM_SHORTVER="\cw1.3pre r393 \cu(2022-08-31 11:43:51)\c-";
diff --git a/tools/build.sh b/tools/build.sh
index fcea83ecc..d3da398aa 100755
--- a/tools/build.sh
+++ b/tools/build.sh
@@ -1,3 +1,2 @@
 #!/bin/sh
-gcc -std=c11 -march=native -Os -Wall -Wextra -Werror -pedantic -o mkstartup mkstartup.c
 gcc -std=c11 -march=native -Os -Wall -Wextra -Werror -pedantic -o mklang mklang.c
diff --git a/tools/mkstartup.c b/tools/mkstartup.c
deleted file mode 100644
index e2a897e11..000000000
--- a/tools/mkstartup.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
-	mkstartup.c : Makes a Hexen startup screen from provided images.
-	Requires all the files to be in the same folder it's executed in.
-	I didn't bother adding any checks so if this thing catches on fire it's
-	your own damn fault. Add them yourself if you want, this tool was made
-	for personal use anyway.
-
-	Copyright (c) 2020-2022 Marisa the Magician, UnSX Team
-
-	Permission is hereby granted, free of charge, to any person obtaining
-	a copy of this software and associated documentation files (the
-	"Software"), to deal in the Software without restriction, including
-	without limitation the rights to use, copy, modify, merge, publish,
-	distribute, sublicense, and/or sell copies of the Software, and to
-	permit persons to whom the Software is furnished to do so, subject to
-	the following conditions:
-
-	The above copyright notice and this permission notice shall be
-	included in all copies or substantial portions of the Software.
-
-	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-	EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-	MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-	IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-	CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-	TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-	SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-#include <stdio.h>
-#include <stdint.h>
-
-int main( void )
-{
-	// we expect everything to be exported straight from gimp in raw image
-	// data format, indexed, no alpha, all graphics must share the same
-	// 16-color palette and have the exact dimensions shown here:
-	//   STARTUP.data     : 640x480, I8 (307200 bytes)
-	//   STARTUP.data.pal : 16 colors, RGB8 (48 bytes)
-	//   NOTCH.data       : 16x23, I8 (368 bytes)
-	//   NETNOTCH.data    : 4x16, I8 (64 bytes)
-	// the NOTCH and NETNOTCH files are optional and their processing will
-	// be skipped if not found
-	uint8_t pal[48] = {0};
-	uint8_t startup[4][38400] = {{0}};
-	uint8_t notch[184] = {0};
-	uint8_t netnotch[32] = {0};
-	uint8_t blk[8] = {0};
-	FILE *fout = fopen("STARTUP.dat","wb");
-	FILE *fin = fopen("STARTUP.data.pal","rb");
-	fread(&pal,1,48,fin);
-	// reduce 8BPC palette to 6BPC
-	for ( int i=0; i<48; i++ )
-		pal[i] = (pal[i]>>2)&0x3f;
-	fwrite(&pal,1,48,fout);
-	fclose(fin);
-	fin = fopen("STARTUP.data","rb");
-	// compose 4-bit planar startup image
-	for ( int i=0; i<38400; i++ )
-	{
-		fread(&blk,1,8,fin);
-		for ( int j=0; j<8; j++ )
-		{
-			startup[0][i] |= !!(blk[j]&1)<<(7-j);
-			startup[1][i] |= !!(blk[j]&2)<<(7-j);
-			startup[2][i] |= !!(blk[j]&4)<<(7-j);
-			startup[3][i] |= !!(blk[j]&8)<<(7-j);
-		}
-	}
-	fclose(fin);
-	fwrite(&startup,1,153600,fout);
-	fclose(fout);
-	fin = fopen("NOTCH.data","rb");
-	if ( !fin ) goto nnotch;
-	fout = fopen("NOTCH.dat","wb");
-	// compose 4-bit linear notch image
-	for ( int i=0; i<184; i++ )
-	{
-		fread(&blk,1,2,fin);
-		notch[i] |= (blk[0]<<4)&0xF0;
-		notch[i] |= blk[1]&0x0F;
-	}
-	fclose(fin);
-	fwrite(&notch,1,184,fout);
-	fclose(fout);
-nnotch:
-	fin = fopen("NETNOTCH.data","rb");
-	if ( !fin ) return 0;
-	fout = fopen("NETNOTCH.dat","wb");
-	// compose 4-bit linear netnotch image
-	for ( int i=0; i<32; i++ )
-	{
-		fread(&blk,1,2,fin);
-		netnotch[i] |= (blk[0]<<4)&0xF0;
-		netnotch[i] |= blk[1]&0x0F;
-	}
-	fclose(fin);
-	fwrite(&netnotch,1,32,fout);
-	fclose(fout);
-	return 0;
-}