diff --git a/dnsapi/dns_duckdns.sh b/dnsapi/dns_duckdns.sh
deleted file mode 100755
index 711b81ee..00000000
--- a/dnsapi/dns_duckdns.sh
+++ /dev/null
@@ -1,128 +0,0 @@
-#!/usr/bin/env sh
-
-#Created by RaidenII, to use DuckDNS's API to add/remove text records
-#06/27/2017
-
-# Pass credentials before "acme.sh --issue --dns dns_duckdns ..."
-# --
-# export DuckDNS_Token="aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee"
-# --
-#
-# Due to the fact that DuckDNS uses StartSSL as cert provider, --insecure may need to be used with acme.sh
-
-DuckDNS_API="https://www.duckdns.org/update"
-
-########  Public functions #####################
-
-#Usage: dns_duckdns_add _acme-challenge.domain.duckdns.org "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
-dns_duckdns_add() {
-  fulldomain=$1
-  txtvalue=$2
-
-  DuckDNS_Token="${DuckDNS_Token:-$(_readaccountconf_mutable DuckDNS_Token)}"
-  if [ -z "$DuckDNS_Token" ]; then
-    _err "You must export variable: DuckDNS_Token"
-    _err "The token for your DuckDNS account is necessary."
-    _err "You can look it up in your DuckDNS account."
-    return 1
-  fi
-
-  # Now save the credentials.
-  _saveaccountconf_mutable DuckDNS_Token "$DuckDNS_Token"
-
-  # Unfortunately, DuckDNS does not seems to support lookup domain through API
-  # So I assume your credentials (which are your domain and token) are correct
-  # If something goes wrong, we will get a KO response from DuckDNS
-
-  if ! _duckdns_get_domain; then
-    return 1
-  fi
-
-  # Now add the TXT record to DuckDNS
-  _info "Trying to add TXT record"
-  if _duckdns_rest GET "domains=$_duckdns_domain&token=$DuckDNS_Token&txt=$txtvalue"; then
-    if [ "$response" = "OK" ]; then
-      _info "TXT record has been successfully added to your DuckDNS domain."
-      _info "Note that all subdomains under this domain uses the same TXT record."
-      return 0
-    else
-      _err "Errors happened during adding the TXT record, response=$response"
-      return 1
-    fi
-  else
-    _err "Errors happened during adding the TXT record."
-    return 1
-  fi
-}
-
-#Usage: fulldomain txtvalue
-#Remove the txt record after validation.
-dns_duckdns_rm() {
-  fulldomain=$1
-  txtvalue=$2
-
-  DuckDNS_Token="${DuckDNS_Token:-$(_readaccountconf_mutable DuckDNS_Token)}"
-  if [ -z "$DuckDNS_Token" ]; then
-    _err "You must export variable: DuckDNS_Token"
-    _err "The token for your DuckDNS account is necessary."
-    _err "You can look it up in your DuckDNS account."
-    return 1
-  fi
-
-  if ! _duckdns_get_domain; then
-    return 1
-  fi
-
-  # Now remove the TXT record from DuckDNS
-  _info "Trying to remove TXT record"
-  if _duckdns_rest GET "domains=$_duckdns_domain&token=$DuckDNS_Token&txt=&clear=true"; then
-    if [ "$response" = "OK" ]; then
-      _info "TXT record has been successfully removed from your DuckDNS domain."
-      return 0
-    else
-      _err "Errors happened during removing the TXT record, response=$response"
-      return 1
-    fi
-  else
-    _err "Errors happened during removing the TXT record."
-    return 1
-  fi
-}
-
-####################  Private functions below ##################################
-
-#fulldomain=_acme-challenge.domain.duckdns.org
-#returns
-# _duckdns_domain=domain
-_duckdns_get_domain() {
-
-  # We'll extract the domain/username from full domain
-  _duckdns_domain="$(printf "%s" "$fulldomain" | _lower_case | _egrep_o '[.][^.][^.]*[.]duckdns.org' | cut -d . -f 2)"
-
-  if [ -z "$_duckdns_domain" ]; then
-    _err "Error extracting the domain."
-    return 1
-  fi
-
-  return 0
-}
-
-#Usage: method URI
-_duckdns_rest() {
-  method=$1
-  param="$2"
-  _debug param "$param"
-  url="$DuckDNS_API?$param"
-  _debug url "$url"
-
-  # DuckDNS uses GET to update domain info
-  if [ "$method" = "GET" ]; then
-    response="$(_get "$url")"
-  else
-    _err "Unsupported method"
-    return 1
-  fi
-
-  _debug2 response "$response"
-  return 0
-}