diff --git a/shell.nix b/shell.nix
deleted file mode 100644
index 1137a3a..0000000
--- a/shell.nix
+++ /dev/null
@@ -1,12 +0,0 @@
-with import <nixpkgs> { };
-
-stdenv.mkDerivation {
-  name = "yeswiki-installer";
-  buildInputs = [
-    busybox
-    linuxquota
-    nginx
-    php83
-  ];
-  shellHook = '''';
-}
diff --git a/yeswiki-import.php b/yeswiki-import.php
deleted file mode 100755
index b9e6387..0000000
--- a/yeswiki-import.php
+++ /dev/null
@@ -1,122 +0,0 @@
-#!/usr/bin/env php
-<?php
-
-require_once('vendor/autoload.php');
-require_once('utils.inc.php');
-
-use PhpDevCommunity\DotEnv;
-use League\CLImate\CLImate;
-
-$climate = new CLImate();
-$climate->description('yeswiki-import, import YesWiki from another server 🌈🦄');
-
-if (posix_getuid() != 0) {
-    $climate->error('ERROR : this script needs root privilege to run.');
-    exit;
-}
-
-$absolutePathToEnvFile = __DIR__ . '/.env';
-if (file_exists($absolutePathToEnvFile)) {
-    (new DotEnv($absolutePathToEnvFile))->load();
-} else {
-    $climate->error('ERROR : No .env file found.');
-    exit;
-}
-
-$climate->arguments->add([
-    'from' => [
-        'prefix'       => 'f',
-        'longPrefix'   => 'from',
-        'description'  => 'Url of source wiki on another server',
-        'required'     => true,
-        'defaultValue' => 'https://example.com'
-    ],
-    'to' => [
-        'prefix'       => 't',
-        'longPrefix'   => 'to',
-        'description'  => 'Url of destination wiki already created on server',
-        'required'     => true,
-        'defaultValue' => 'https://destination.com'
-    ],
-    'source' => [
-        'prefix'       => 's',
-        'longPrefix'   => 'source',
-        'description'  => 'server name as indicated in ssh config',
-        'required'     => false,
-        'defaultValue' => 'cooptools'
-    ],
-]);
-$climate->arguments->parse();
-$from = $climate->arguments->get('from');
-$to = $climate->arguments->get('to');
-$source = $climate->arguments->get('source');
-
-if (empty($from) || $from == 'https://example.com' || empty($to) || $to == 'https://destination.com') {
-    $climate->error('ERROR : you need a --from (the source url) and a --to (the destination url).'."\n");
-    $climate->usage();
-    exit;
-}
-
-if (!filter_var($from, FILTER_VALIDATE_URL)) {
-    $climate->error('ERROR : the source url given with --from '.$from.' is not a valid url.'."\n");
-    exit;
-}
-$fromUrl = parse_url($from);
-
-if (domainIsOnServer($fromUrl['host'])) {
-    $climate->error('ERROR : Domain '.$fromUrl['host'].' should be external, not on the server.'."\n");
-    exit;
-}
-#if (!$fromWiki = wikiIsOnServer($fromDomainWithoutWww.($fromUrl['path'] ?? ''))) {
-#    $climate->error('ERROR : no Yeswiki found '.$fromDomainWithoutWww.$fromUrl['path'].' on the server.'."\n");
-#    exit;
-#}
-
-if (!filter_var($to, FILTER_VALIDATE_URL)) {
-    $climate->error('ERROR : the destination url given with --to '.$to.' is not a valid url.'."\n");
-    exit;
-}
-$toUrl = parse_url($to);
-$toDomainWithoutWww = preg_replace('/^www\./m', '', $toUrl['host']);
-
-if (!domainIsOnServer($toDomainWithoutWww)) {
-    $climate->error('ERROR : Domain '.$toDomainWithoutWww.' was not found on the server.'."\n");
-    exit;
-}
-if (!$toWiki = wikiIsOnServer($toDomainWithoutWww.($toUrl['path'] ?? ''))) {
-    $climate->error('ERROR : no Yeswiki found '.$toDomainWithoutWww.$toUrl['path'].' on the server.'."\n");
-    exit;
-}
-
-if ($from === $to) {
-    $climate->error('ERROR : --from and --to parameters must be different.'."\n");
-    exit;
-}
-
-$climate->shout("Source: ".$source);
-
-$climate->bold()->underline()->out('Move a YesWiki');
-$climate->out('This will transfert YesWiki on <bold>'.$from.'</bold> to <bold>'.$to.'</bold>');
-$climate->red('CAREFUL: the destination yeswiki will be replaced.'."\n");
-$input = $climate->confirm('Is it all good ?');
-if ($input->confirmed()) {
-    $climate->shout(
-        'The yeswiki <bold>'.$from.'</bold> was successfully moved to <bold>'.$to.'</bold>, congrats ! 🎉'."\n"
-    );
-} else {
-    $climate->info('Ok, let\'s stop here...');
-}
-
-#rm -rf files custom themes private
-#scp -r cooptools:/var/www/cocotier.info/web/qptce/files .
-#scp -r cooptools:/var/www/cocotier.info/web/qptce/custom .
-#scp -r cooptools:/var/www/cocotier.info/web/qptce/themes .
-#scp -r cooptools:/var/www/cocotier.info/web/qptce/private .
-#chown -R leclosionfr2:leclosionfr2 .
-#cat /home/yeswikileclosionfr/yeswiki.l-eclosion.fr/wakka.config.php
-#vi wakka.config.php
-# config mail base_url et extra conf
-#DROP TABLE `yeswiki_acls`, `yeswiki_links`, `yeswiki_nature`, `yeswiki_pages`, `yeswiki_referrers`, `yeswiki_triples`, `yeswiki_users`;
-#ssh cooptools "mysqldump -uyeswikinsudb -py3sw1k1YES yeswikinsuferme yeswiki_symphose__acls yeswiki_symphose__links yeswiki_symphose__nature yeswiki_symphose__pages yeswiki_symphose__referrers yeswiki_symphose__triples yeswiki_symphose__users" > dump.sql
-# on recherche/remplace l'url
-# add good prefixes and YesWikiProAdmin