diff --git a/!MkDecode,fd7 b/!MkDecode,fd7
deleted file mode 100644
index 7305fadd843c28f4f4740009b5e107270b1da6a3..0000000000000000000000000000000000000000
--- a/!MkDecode,fd7
+++ /dev/null
@@ -1,16 +0,0 @@
-| Copyright 1996 Acorn Computers Ltd
-|
-| Licensed under the Apache License, Version 2.0 (the "License");
-| you may not use this file except in compliance with the License.
-| You may obtain a copy of the License at
-|
-|     http://www.apache.org/licenses/LICENSE-2.0
-|
-| Unless required by applicable law or agreed to in writing, software
-| distributed under the License is distributed on an "AS IS" BASIS,
-| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-| See the License for the specific language governing permissions and
-| limitations under the License.
-|
-Dir <Obey$Dir>
-amu_machine -f MakeDecAOF decode
diff --git a/MakeDecAOF b/MakeDecAOF
deleted file mode 100644
index 31392bdb3e963320f715e90e87d59ed5194b67be..0000000000000000000000000000000000000000
--- a/MakeDecAOF
+++ /dev/null
@@ -1,151 +0,0 @@
-#
-# Objects for RISCOSLIB:o.risc_oslib
-#
-DEC_OBJS =\
- o_rl_dec.akbd\
- o_rl_dec.alarm\
- o_rl_dec.baricon\
- o_rl_dec.bastxt\
- o_rl_dec.bbc\
- o_rl_dec.colourmenu\
- o_rl_dec.colourtran\
- o_rl_dec.coords\
- o_rl_dec.ctl\
- o_rl_dec.dbox\
- o_rl_dec.dboxfile\
- o_rl_dec.dboxquery\
- o_rl_dec.dboxtcol\
- o_rl_dec.dragasprit\
- o_rl_dec.drawcheck\
- o_rl_dec.drawfdiag\
- o_rl_dec.drawfiles\
- o_rl_dec.drawfobj\
- o_rl_dec.drawmod\
- o_rl_dec.drawtextc\
- o_rl_dec.event\
- o_rl_dec.fileicon\
- o_rl_dec.flex\
- o_rl_dec.font\
- o_rl_dec.heap\
- o_rl_dec.help\
- o_rl_dec.magnify\
- o_rl_dec.menu\
- o_rl_dec.msgs\
- o_rl_dec.os\
- o_rl_dec.pointer\
- o_rl_dec.poll\
- o_rl_dec.print\
- o_rl_dec.res\
- o_rl_dec.resspr\
- o_rl_dec.saveas\
- o_rl_dec.sprite\
- o_rl_dec.swi\
- o_rl_dec.template\
- o_rl_dec.trace\
- o_rl_dec.txt\
- o_rl_dec.txt1\
- o_rl_dec.txt3\
- o_rl_dec.txtar\
- o_rl_dec.txtedit\
- o_rl_dec.txtfile\
- o_rl_dec.txtfind\
- o_rl_dec.txtmisc\
- o_rl_dec.txtopt\
- o_rl_dec.txtoptmenu\
- o_rl_dec.txtregexp\
- o_rl_dec.txtscrap\
- o_rl_dec.txtundo\
- o_rl_dec.txtwin\
- o_rl_dec.visdelay\
- o_rl_dec.werr\
- o_rl_dec.wimp\
- o_rl_dec.wimpt\
- o_rl_dec.win\
- o_rl_dec.xferrecv\
- o_rl_dec.xfersend\
- rm_o_d.alloc\
- rm_o_d.armsys\
- rm_o_d.bsearch_a\
- rm_o_d.cl_modbody\
- rm_o_d.cl_rmhdr\
- rm_o_d.cl_spare\
- rm_o_d.ctype\
- rm_o_d.error\
- rm_o_d.fpprintf\
- rm_o_d.k_modbody\
- rm_o_d.locale\
- rm_o_d.math\
- rm_o_d.memcpy\
- rm_o_d.printf\
- rm_o_d.scanf\
- rm_o_d.signal\
- rm_o_d.sort\
- rm_o_d.stdio\
- rm_o_d.stdlib\
- rm_o_d.string\
- rm_o_d.swiv\
- rm_o_d.time\
- rm_o_rl_d.akbd\
- rm_o_rl_d.alarm\
- rm_o_rl_d.baricon\
- rm_o_rl_d.bastxt\
- rm_o_rl_d.bbc\
- rm_o_rl_d.colourmenu\
- rm_o_rl_d.colourtran\
- rm_o_rl_d.dbox\
- rm_o_rl_d.dboxfile\
- rm_o_rl_d.dboxquery\
- rm_o_rl_d.dboxtcol\
- rm_o_rl_d.dragasprit\
- rm_o_rl_d.drawmod\
- rm_o_rl_d.event\
- rm_o_rl_d.fileicon\
- rm_o_rl_d.flex\
- rm_o_rl_d.font\
- rm_o_rl_d.heap\
- rm_o_rl_d.help\
- rm_o_rl_d.initmodule\
- rm_o_rl_d.magnify\
- rm_o_rl_d.menu\
- rm_o_rl_d.msgs\
- rm_o_rl_d.os\
- rm_o_rl_d.pointer\
- rm_o_rl_d.poll\
- rm_o_rl_d.print\
- rm_o_rl_d.res\
- rm_o_rl_d.resspr\
- rm_o_rl_d.rl_modbody\
- rm_o_rl_d.rl_spare\
- rm_o_rl_d.saveas\
- rm_o_rl_d.sprite\
- rm_o_rl_d.swi\
- rm_o_rl_d.template\
- rm_o_rl_d.txt\
- rm_o_rl_d.txt1\
- rm_o_rl_d.txt3\
- rm_o_rl_d.txtar\
- rm_o_rl_d.txtedit\
- rm_o_rl_d.txtfile\
- rm_o_rl_d.txtfind\
- rm_o_rl_d.txtmisc\
- rm_o_rl_d.txtopt\
- rm_o_rl_d.txtoptmenu\
- rm_o_rl_d.txtregexp\
- rm_o_rl_d.txtscrap\
- rm_o_rl_d.txtundo\
- rm_o_rl_d.txtwin\
- rm_o_rl_d.visdelay\
- rm_o_rl_d.werr\
- rm_o_rl_d.wimp\
- rm_o_rl_d.wimpt\
- rm_o_rl_d.win\
- rm_o_rl_d.xferrecv\
- rm_o_rl_d.xfersend
-
-.SUFFIXES: .o_rl .o_rl_dec .rm_o_rl .rm_o_rl_d .rm_o .rm_o_d
-.o_rl.o_rl_dec:;     decaof $< -s -t -a -g -d -r -c > $@
-.rm_o.rm_o_d:;       decaof $< -s -t -a -g -d -r -c > $@
-.rm_o_rl.rm_o_rl_d:; decaof $< -s -t -a -g -d -r -c > $@
-
-decode: ${DEC_OBJS}
-	@echo decoding done