diff --git a/CHANGELOG.md b/CHANGELOG.md
index eff39e551d8b90c59eb779989ae16139a0a3da05..dfe5c95ba0d4f5d2e2b6cfa0f9d18f0d77c12149 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### New Features
* Autocompletion for `iocsh.bash` has been added
+* Removed `iocsh_gdb.bash` and `iocsh_nice.bash`, both of whose functionality can be called via `iocsh.bash -dg` and `iocsh.bash -n`, respectively.
### Bugfixes
* `iocsh.bash --help` (and variants) no longer loads tries to load `env.sh`.
diff --git a/require-ess/tools/driver.makefile b/require-ess/tools/driver.makefile
index 1d08ffa7595646230c91459f41a61a834331a254..8a84133c2b828b9c8e89b18092f1059f4ded58da 100644
--- a/require-ess/tools/driver.makefile
+++ b/require-ess/tools/driver.makefile
@@ -165,12 +165,6 @@ ifndef EPICSVERSION
$(foreach v,$(sort $(basename ${BUILD_EPICS_VERSIONS})),$(eval EPICS_VERSIONS_$v=$(filter $v.%,${BUILD_EPICS_VERSIONS})))
-# # Che# ck only version of files needed to build the module. But which are they?
-# VERSIONCHECKFILES = $(filter-out /% -none-, $(wildcard *makefile* *Makefile* *.db *.template *.subs *.dbd *.cmd) ${SOURCES} ${DBDS} ${TEMPLATES} ${SCRIPTS} $(foreach v,3.13 3.14 3.15, ${SOURCES_$v} ${DBDS_$v}))
-# VERSIONCHECKCMD = ${MAKEHOME}/getVersion.tcl ${VERSIONDEBUGFLAG} ${VERSIONCHECKFILES}
-# LIBVERSION = $(or $(filter-out test,$(shell ${VERSIONCHECKCMD} 2>/dev/null)),${USER},test)
-# VERSIONDEBUGFLAG = $(if ${VERSIONDEBUG}, -d)
-
# Default module name is name of current directory.
# But in case of "src" or "snl", use parent directory instead.
# Avoid using environment variables for MODULE or PROJECT
@@ -645,7 +639,6 @@ MINOR=$(word 2,${MAJOR_MINOR_PATCH})
PATCH=$(word 3,${MAJOR_MINOR_PATCH})
ifneq (${MINOR},)
ALLMINORS := $(shell for ((i=0;i<=${MINOR};i++));do echo $$i;done)
-PREREQUISITES = $(shell ${MAKEHOME}/getPrerequisites.tcl ${INSTALL_INCLUDE} | grep -vw ${PRJ})
ifeq (${OS_CLASS}, Linux)
PROVIDES = ${ALLMINORS:%=-Wl,--defsym,${PRJ}Lib_${MAJOR}.%=0}
endif # Linux
diff --git a/require-ess/tools/getVersion.tcl b/require-ess/tools/getVersion.tcl
deleted file mode 100755
index b481adf866a85b383e93fabd4a1a72cf87b7b56c..0000000000000000000000000000000000000000
--- a/require-ess/tools/getVersion.tcl
+++ /dev/null
@@ -1,287 +0,0 @@
-#!/usr/bin/tclsh
-
-package require Tclx
-
-set debug 0
-
-set global_context [scancontext create]
-set file_context [scancontext create]
-set skip_context [scancontext create]
-
-scanmatch $global_context {there is no version here} {
- return
-}
-
-scanmatch $global_context {cvs status: failed} {
- puts stderr "Error: $matchInfo(line)"
- return
-}
-
-scanmatch $global_context {no such directory `(.*)'} {
- puts stderr "checking directory $matchInfo(submatch0): so such directory"
- return
-}
-
-scanmatch $global_context {cvs [status aborted]: there is no version here} {
- return
-}
-
-scanmatch $global_context {^File: .*Up-to-date} {
- set file [lindex $matchInfo(line) 1]
- puts -nonewline stderr "checking $file: "
- catch {unset major minor patch}
- scanfile $file_context $matchInfo(handle)
- if {![info exists major]} {
- puts stderr "revision $rev($file) not tagged => version test"
- set version test
- continue
- }
- puts stderr "revision $rev($file) tag $tag($file) => version $major.$minor.$patch"
- if {![info exists version]} {
- set version $major.$minor.$patch
- } else {
- if ![cequal $major.$minor.$patch $version] {
- set version test
- continue
- }
- }
- continue
-}
-
-scanmatch $global_context {^File: .*} {
- set file [lindex $matchInfo(line) 1]
- puts stderr "checking $file: [lrange $matchInfo(line) 3 end] => version test"
- set version test
- continue
-}
-
-scanmatch $global_context {^\? .*} {
- set file [lindex $matchInfo(line) 1]
- puts stderr "checking $file: not in cvs => version test"
- set version test
- continue
-}
-
-scanmatch $file_context {Working revision:} {
- set rev($file) [lindex $matchInfo(line) 2]
-}
-
-scanmatch $file_context {Sticky Tag:.*_([0-9]+)_([0-9]+)_([0-9]+)[ \t]+\(revision: } {
- set major $matchInfo(submatch0)
- set minor $matchInfo(submatch1)
- set patch $matchInfo(submatch2)
- set tag($file) "[lindex $matchInfo(line) 2] (sticky)"
- scanfile $skip_context $matchInfo(handle)
- return
-}
-
-scanmatch $file_context {Sticky Tag:.*_([0-9]+)_([0-9]+)[ \t]+\(revision: } {
- set major $matchInfo(submatch0)
- set minor $matchInfo(submatch1)
- set patch 0
- set tag($file) "[lindex $matchInfo(line) 2] (sticky)"
- scanfile $skip_context $matchInfo(handle)
- return
-}
-
-scanmatch $file_context {_([0-9]+)_([0-9]+)(_([0-9]+))?[ \t]+\(revision: ([\.0-9]+)\)} {
- if [cequal $rev($file) $matchInfo(submatch4)] {
- set Major $matchInfo(submatch0)
- set Minor $matchInfo(submatch1)
- set Patch [expr $matchInfo(submatch3) + 0]
- if {![info exists major] ||
- $Major>$major ||
- ($Major==$major && ($Minor>$minor
- || ($Minor==$minor && $Patch>$patch)))} {
- set major $Major
- set minor $Minor
- set patch $Patch
- set tag($file) [lindex $matchInfo(line) 0]
- }
- }
-}
-
-scanmatch $skip_context {=================} {
- return
-}
-
-scanmatch $file_context {=================} {
- return
-}
-
-set git_context [scancontext create]
-
-scanmatch $git_context {fatal: Not a git repository} {
- return
-}
-
-scanmatch $git_context {^\?\? .*} {
- set file [lindex $matchInfo(line) 1]
- puts stderr "$file: not in git => version test"
- set version test
- continue
-}
-
-scanmatch $git_context {^ M .*} {
- set file [lindex $matchInfo(line) 1]
- puts stderr "$file: locally modified => version test"
- set version test
- continue
-}
-
-scanmatch $git_context {^D .*} {
- set file [lindex $matchInfo(line) 1]
- puts stderr "$file: deleted (or renamed) but not committed => version test"
- set version test
- continue
-}
-
-scanmatch $git_context {^ D .*} {
- set file [lindex $matchInfo(line) 1]
- puts stderr "$file: locally deleted => version test"
- set version test
- continue
-}
-
-scanmatch $git_context {^A .*} {
- set file [lindex $matchInfo(line) 1]
- puts stderr "$file: locally added => version test"
- set version test
- continue
-}
-
-scanmatch $git_context {^AM .*} {
- set file [lindex $matchInfo(line) 1]
- puts stderr "$file: locally added and modified => version test"
- set version test
- continue
-}
-
-scanmatch $git_context {^([ MADRCU][ MADRCU]) .*} {
- set file [lindex $matchInfo(line) 1]
- puts stderr "$file: $matchInfo(submatch0) (whatever that means) => version test"
- set version test
- continue
-}
-
-scanmatch $git_context {fatal: No names found} {
- puts stderr "no tag on this version => version test"
- set version test
-}
-
-scanmatch $git_context {^([0-9]+)\.([0-9]+)(\.([0-9]+))?$} {
- set major $matchInfo(submatch0)
- set minor $matchInfo(submatch1)
- set patch [expr $matchInfo(submatch3) + 0]
- set version $major.$minor.$patch
- puts stderr "checking tag $matchInfo(line) => version $version"
-}
-
-scanmatch $git_context {[a-zA-Z]+[a-zA-Z0-9]*_([0-9]+)_([0-9]+)(_([0-9]+))?$} {
- set major $matchInfo(submatch0)
- set minor $matchInfo(submatch1)
- set patch [expr $matchInfo(submatch3) + 0]
- set version $major.$minor.$patch
- puts stderr "checking tag $matchInfo(line) => version $version"
-}
-
-scanmatch $git_context {(.*[0-9]+[_.][0-9]+([_.][0-9]+)?)-([0-9]+)-g} {
- set version test
- puts stderr "tag $matchInfo(submatch0) is $matchInfo(submatch2) commits old => version test"
-}
-
-scanmatch $git_context {Your branch is ahead of '(.*)/(.*)'} {
- puts stderr "branch \"$matchInfo(submatch1)\" not yet pushed to remote \"$matchInfo(submatch0)\" => version test"
- puts stderr "try: git push --tags $matchInfo(submatch0) $matchInfo(submatch1)"
- set version test
-}
-
-if {[lindex $argv 0] == "-d"} {
- set debug 1
- set argv [lrange $argv 1 end]
-}
-
-# Check all files in top directory and all files specified explicitly in subdirectories
-
-set topfiles [glob -nocomplain GNUmakefile makefile Makefile *.c *.cc *.cpp *.h *.dbd *.st *.stt *.gt]
-
-if {$debug} {
- puts stderr "checking $topfiles $argv"
-}
-
-
-if {[catch {
- # fails if we have no git:
- if {$debug} {
- puts stderr "git status --porcelain $topfiles $argv"
- }
- set statusinfo [open "|git status --porcelain $topfiles $argv 2>@ stdout"]
- scanfile $git_context $statusinfo
- # fails if this is no git repo
- close $statusinfo
-
- if [info exists version] {
- puts $version
- exit
- }
-
- if {$debug} {
- puts stderr "git describe --tags HEAD"
- }
- set statusinfo [open "|git describe --tags HEAD 2>@ stdout"]
- scanfile $git_context $statusinfo
- catch {close $statusinfo}
-
- if ![info exists version] {
- puts stderr "Could not find out version tag => version test"
- set version test
- }
-
- if {$version != "test"} {
- if {$debug} {
- puts stderr "git status"
- }
- set statusinfo [open "|git status 2>@ stdout"]
- scanfile $git_context $statusinfo
- catch {close $statusinfo}
- }
-
- puts $version
- exit
-}] && $debug} { puts stderr "git: $errorInfo" }
-
-
-if {[catch {
-# cvs bug: calling cvs status for files in other directories spoils status
-# information for local files.
-# fix: check local and non local files separately
-
- # fails if we have no cvs or server has a problem
- if {$debug} {
- puts stderr "cvs status -l -v $topfiles $argv"
- }
- set statusinfo [open "|cvs status -l -v $topfiles $argv 2>@ stdout"]
- scanfile $global_context $statusinfo
- # fails if this is no cvs repo
- close $statusinfo
-
-# set files {}
-# foreach file $argv {
-# if {[file tail $file] != $file} {
-# lappend files $file
-# }
-# }
-# if [llength $files] {
-# set statusinfo [open "|cvs status -l -v $files 2>@ stdout"]
-# scanfile $global_context $statusinfo
-# close $statusinfo
-# }
-
- puts $version
- exit
-}] && $debug} { puts stderr "cvs: $errorInfo" }
-
-puts stderr "No repository found => version test"
-puts "test"
-
-# $Header: /cvs/G/DRV/misc/App/tools/getVersion.tcl,v 1.3 2010/08/03 08:42:40 zimoch Exp $