diff --git a/dnsapi/dns_nsupdate.sh b/dnsapi/dns_nsupdate.sh
deleted file mode 100755
index 7acb2ef7..00000000
--- a/dnsapi/dns_nsupdate.sh
+++ /dev/null
@@ -1,58 +0,0 @@
-#!/usr/bin/env sh
-
-########  Public functions #####################
-
-#Usage: dns_nsupdate_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
-dns_nsupdate_add() {
-  fulldomain=$1
-  txtvalue=$2
-  _checkKeyFile || return 1
-  [ -n "${NSUPDATE_SERVER}" ] || NSUPDATE_SERVER="localhost"
-  # save the dns server and key to the account conf file.
-  _saveaccountconf NSUPDATE_SERVER "${NSUPDATE_SERVER}"
-  _saveaccountconf NSUPDATE_KEY "${NSUPDATE_KEY}"
-  _info "adding ${fulldomain}. 60 in txt \"${txtvalue}\""
-  nsupdate -k "${NSUPDATE_KEY}" <<EOF
-server ${NSUPDATE_SERVER}
-update add ${fulldomain}. 60 in txt "${txtvalue}"
-send
-EOF
-  if [ $? -ne 0 ]; then
-    _err "error updating domain"
-    return 1
-  fi
-
-  return 0
-}
-
-#Usage: dns_nsupdate_rm   _acme-challenge.www.domain.com
-dns_nsupdate_rm() {
-  fulldomain=$1
-  _checkKeyFile || return 1
-  [ -n "${NSUPDATE_SERVER}" ] || NSUPDATE_SERVER="localhost"
-  _info "removing ${fulldomain}. txt"
-  nsupdate -k "${NSUPDATE_KEY}" <<EOF
-server ${NSUPDATE_SERVER}
-update delete ${fulldomain}. txt
-send
-EOF
-  if [ $? -ne 0 ]; then
-    _err "error updating domain"
-    return 1
-  fi
-
-  return 0
-}
-
-####################  Private functions below ##################################
-
-_checkKeyFile() {
-  if [ -z "${NSUPDATE_KEY}" ]; then
-    _err "you must specify a path to the nsupdate key file"
-    return 1
-  fi
-  if [ ! -r "${NSUPDATE_KEY}" ]; then
-    _err "key ${NSUPDATE_KEY} is unreadable"
-    return 1
-  fi
-}