=== modified file 'bin/confz'
--- bin/confz	2017-11-21 16:16:11 +0000
+++ bin/confz	2017-11-20 18:08:14 +0000
@@ -67,30 +67,6 @@
 	(( $#empty )) && die "required parameters are empty: ${(@q)empty}"
 }
 
-# check if given arguments (as name value pairs) match current $vars
-matchvars() {
-	local name value
-	for name value in "$@"; do
-		if (($+vars[$name])); then
-			[[ $value == $vars[$name] ]] || return 1
-		fi
-	done
-	return 0
-}
-
-# unify given arguments (as name value pairs) with current $vars
-unify() {
-	local name value
-	for name value in "$@"; do
-		if (($+vars[$name])); then
-			[[ $value == $vars[$name] ]] \
-				|| die "Unified variable $name has value ${(qqq)vars[$name]} not matching ${(qqq)value}"
-		else
-			vars[$name]=$value
-		fi
-	done
-}
-
 # autoload all relevant functions and run confz_*_init
 confz_load() {
 	local func