diff --git a/conf/baikal.inc.php b/conf/baikal.inc.php
deleted file mode 100644
index 99a192b..0000000
--- a/conf/baikal.inc.php
+++ /dev/null
@@ -1,16 +0,0 @@
-
-$prefs['{baikal_id}'] = array(
-        // required attributes
-        'name'         =>  '{baikal_id}',
-        'username'     =>  '%u',
-        'password'     =>  '%p',
-        'url'          =>  '{baikal_url}/card.php/addressbooks/%u/',
-
-        // optional attributes
-        'active'       =>  true,
-        'readonly'     =>  false,
-        'refresh_time' => '00:05:00',
-
-        'fixed'        =>  array('username', 'password'),
-        'hide'         =>  false,
-);
diff --git a/conf/composer.json b/conf/composer.json
deleted file mode 100644
index c45f890..0000000
--- a/conf/composer.json
+++ /dev/null
@@ -1,36 +0,0 @@
-{
-    "name": "roundcube/roundcubemail",
-    "description": "The Roundcube Webmail suite",
-    "license": "GPL-3.0-or-later",
-    "repositories": [
-        {
-            "type": "composer",
-            "url": "https://plugins.roundcube.net"
-        }
-    ],
-    "require": {
-        "php": ">=7.3.0",
-        "pear/pear-core-minimal": "~1.10.1",
-        "pear/auth_sasl": "~1.1.0",
-        "pear/mail_mime": "~1.10.0",
-        "pear/net_smtp": "~1.10.0",
-        "pear/crypt_gpg": "~1.6.3",
-        "pear/net_sieve": "~1.4.5",
-        "roundcube/plugin-installer": "~0.3.1",
-        "roundcube/rtf-html-php": "~2.1",
-        "roundcube/carddav": "~5.1.0",
-        "masterminds/html5": "~2.7.0",
-        "bacon/bacon-qr-code": "^2.0.0",
-        "guzzlehttp/guzzle": "^7.3.0",
-        "kolab/net_ldap3": "~1.1.4",
-        "sblaisot/automatic_addressbook": "~v0.4.3"
-    },
-    "suggest": {
-        "bjeavons/zxcvbn-php": "^1.0 required for Zxcvbn password strength driver"
-    },
-    "config": {
-        "allow-plugins": {
-            "roundcube/plugin-installer": true
-        }
-    }
-}
diff --git a/conf/enigma.config.inc.php b/conf/enigma.config.inc.php
deleted file mode 100644
index f30800a..0000000
--- a/conf/enigma.config.inc.php
+++ /dev/null
@@ -1,77 +0,0 @@
-<?php
-
-// Enigma Plugin options
-// --------------------
-
-// A driver to use for PGP. Default: "gnupg".
-$config['enigma_pgp_driver'] = 'gnupg';
-
-// A driver to use for S/MIME. Default: "phpssl".
-$config['enigma_smime_driver'] = 'phpssl';
-
-// Enables logging of enigma operations (including Crypt_GPG debug info)
-$config['enigma_debug'] = false;
-
-// REQUIRED! Keys directory for all users.
-// Must be writeable by PHP process, and not in the web server document root
-$config['enigma_pgp_homedir'] = '__INSTALL_DIR__/plugins/enigma/home';
-
-// Location of gpg binary. By default it will be auto-detected.
-// This is also a way to force gpg2 use if there are both 1.x and 2.x on the system.
-$config['enigma_pgp_binary'] = '';
-
-// Location of gpg-agent binary. By default it will be auto-detected.
-// It's used with GnuPG 2.x.
-$config['enigma_pgp_agent'] = '';
-
-// Location of gpgconf binary. By default it will be auto-detected.
-// It's used with GnuPG >= 2.1.
-$config['enigma_pgp_gpgconf'] = '';
-
-// Name of the PGP symmetric cipher algorithm.
-// Run gpg --version to see the list of supported algorithms
-$config['enigma_pgp_cipher_algo'] = null;
-
-// Name of the PGP digest (hash) algorithm.
-// Run gpg --version to see the list of supported algorithms
-$config['enigma_pgp_digest_algo'] = null;
-
-// Enables multi-host environments support.
-// Enable it if you have more than one HTTP server.
-// Make sure all servers run the same GnuPG version and have time in sync.
-// Keys will be stored in SQL database (make sure max_allowed_packet
-// is big enough).
-$config['enigma_multihost'] = false;
-
-// Enables signatures verification feature.
-$config['enigma_signatures'] = true;
-
-// Enables messages decryption feature.
-$config['enigma_decryption'] = true;
-
-// Enables messages encryption and signing feature.
-$config['enigma_encryption'] = true;
-
-// Enable signing all messages by default
-$config['enigma_sign_all'] = false;
-
-// Enable encrypting all messages by default
-$config['enigma_encrypt_all'] = false;
-
-// Enable attaching a public key to all messages by default
-$config['enigma_attach_pubkey'] = false;
-
-// Default for how long to store private key passwords (in minutes).
-// When set to 0 passwords will be stored for the whole session.
-$config['enigma_password_time'] = 5;
-
-// With this option you can lock composing options
-// of the plugin forcing the user to use configured settings.
-// The array accepts: 'sign', 'encrypt', 'pubkey'.
-//
-// For example, to force your users to sign every email,
-// you should set:
-//     - enigma_sign_all     = true
-//     - enigma_options_lock = array('sign')
-//     - dont_override       = array('enigma_sign_all')
-$config['enigma_options_lock'] = array();
diff --git a/conf/nextcloud.inc.php b/conf/nextcloud.inc.php
deleted file mode 100644
index 46d3158..0000000
--- a/conf/nextcloud.inc.php
+++ /dev/null
@@ -1,16 +0,0 @@
-
-$prefs['{nextcloud_id}'] = array(
-        // required attributes
-        'name'         =>  '{nextcloud_id}',
-        'username'     =>  '%u',
-        'password'     =>  '%p',
-        'url'          =>  '{nextcloud_url}/remote.php/dav/addressbooks/users/%u/contacts/',
-
-        // optional attributes
-        'active'       =>  true,
-        'readonly'     =>  false,
-        'refresh_time' => '00:05:00',
-
-        'fixed'        =>  array('username', 'password'),
-        'hide'         =>  false,
-);
diff --git a/config_panel.toml b/config_panel.toml.example
similarity index 100%
rename from config_panel.toml
rename to config_panel.toml.example
diff --git a/manifest.toml b/manifest.toml
index 24bc861..e0bc848 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -49,12 +49,6 @@ ram.runtime = "50M"
     choices = ["de_DE", "en_GB", "fr_FR", "it_IT"]
     default = "fr_FR"
 
-    [install.with_carddav]
-    ask.en = "Install CardDAV synchronization plugin?"
-    ask.fr = "Installer le plugin de synchronisation CardDAV ?"
-    type = "boolean"
-    default = false
-
 [resources]
     [resources.sources.main]
     url = "https://github.com/roundcube/roundcubemail/releases/download/1.6.7/roundcubemail-1.6.7-complete.tar.gz"
@@ -72,15 +66,15 @@ ram.runtime = "50M"
     packages = [
         "mariadb-server",
         "php-pear",
-        "php8.2-ldap",
-        "php8.2-mysql",
-        "php8.2-cli",
-        "php8.2-intl",
-        "php8.2-zip",
-        "php8.2-gd",
-        "php8.2-mbstring",
-        "php8.2-dom",
-        "php8.2-curl",
+        "php8.3-ldap",
+        "php8.3-mysql",
+        "php8.3-cli",
+        "php8.3-intl",
+        "php8.3-zip",
+        "php8.3-gd",
+        "php8.3-mbstring",
+        "php8.3-dom",
+        "php8.3-curl",
     ]
 
     [resources.database]
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 3a4db24..4838c63 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,14 +4,6 @@
 # COMMON VARIABLES
 #=================================================
 
-# Composer version
-YNH_COMPOSER_VERSION=2.7.6
-
-# Plugins version
-contextmenu_version=3.3.1
-automatic_addressbook_version=v0.4.3
-carddav_version=5.1.0
-
 #=================================================
 # EXPERIMENTAL HELPERS
 #=================================================
diff --git a/scripts/install b/scripts/install
index 8813422..dd54e6d 100644
--- a/scripts/install
+++ b/scripts/install
@@ -9,23 +9,6 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# RETRIEVE ARGUMENTS FROM THE MANIFEST
-#=================================================
-
-fpm_footprint="low"
-fpm_free_footprint=0
-fpm_usage="low"
-
-#=================================================
-# STORE SETTINGS FROM MANIFEST
-#=================================================
-ynh_script_progression --message="Storing installation settings..." --weight=2
-
-ynh_app_setting_set --app=$app --key=fpm_footprint --value=$fpm_footprint
-ynh_app_setting_set --app=$app --key=fpm_free_footprint --value=$fpm_free_footprint
-ynh_app_setting_set --app=$app --key=fpm_usage --value=$fpm_usage
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
@@ -46,20 +29,7 @@ ynh_script_progression --message="Configuring NGINX web server..." --weight=2
 ynh_add_nginx_config
 
 # Create a dedicated php-fpm config
-ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint
-
-#=================================================
-# SPECIFIC SETUP
-#=================================================
-# INSTALL AND INITIALIZE COMPOSER
-#=================================================
-ynh_script_progression --message="Installing Roundcube with Composer..." --weight=30
-
-# Install composer.json
-ynh_add_config --template="$install_dir/composer.json-dist" --destination="$install_dir/composer.json"
-
-# Install composer
-ynh_install_composer
+ynh_add_fpm_config
 
 #=================================================
 # INITIALIZE DATABASE
@@ -76,84 +46,6 @@ ynh_script_progression --message="Configuring $app..." --weight=2
 deskey=$(ynh_string_random --length=24)
 ynh_add_config --template="config.inc.php" --destination="$install_dir/config/config.inc.php"
 
-#=================================================
-# INSTALL ADDITIONAL PLUGINS
-#=================================================
-ynh_script_progression --message="Installing additional plugins..." --weight=60
-
-# Create logs and temp directories
-mkdir -p "$install_dir/"{logs,temp}
-
-# Install net_LDAP
-export COMPOSER_ALLOW_SUPERUSER=1
-ynh_composer_exec --commands="require kolab/net_ldap3"
-
-# Install contextmenu and automatic_addressbook plugins
-# https://plugins.roundcube.net/packages/sblaisot/automatic_addressbook
-# https://plugins.roundcube.net/packages/johndoh/contextmenu
-ynh_composer_exec --commands="require \
-    johndoh/contextmenu $contextmenu_version \
-    sblaisot/automatic_addressbook $automatic_addressbook_version"
-
-installed_plugins+=" 'contextmenu', 'automatic_addressbook',"
-
-ynh_add_config --template="../conf/enigma.config.inc.php" --destination="$install_dir/plugins/enigma/config.inc.php"
-mkdir -p "$install_dir/plugins/enigma/home"
-chown -R $app:www-data "$install_dir/plugins/enigma/home"
-
-# Install CardDAV plugin
-if [ $with_carddav -eq 1 ]
-then
-    ynh_composer_exec --commands="require roundcube/carddav $carddav_version --with-all-dependencies"
-
-    carddav_tmp_config="../conf/carddav.config.inc.php"
-    carddav_server=0
-
-    # Copy the plugin configuration file
-    cp $install_dir/plugins/carddav/config.inc.php{.dist,}
-
-    # Look for installed and supported CardDAV servers
-    for carddav_app in "nextcloud" "baikal"
-    do
-        carddav_app_ids=$(yunohost app list | grep "id: $carddav_app" | grep -Po 'id: \K(.*)' || echo "")
-        for carddav_app_id in $carddav_app_ids
-        do
-            carddav_server=1
-            # Append preset configuration to the config file
-            cat "../conf/${carddav_app}.inc.php" >> $install_dir/plugins/carddav/config.inc.php
-            # Retrieve app settings and enable relevant preset
-            carddav_domain=$(ynh_app_setting_get --app=$carddav_app_id --key=domain)
-            carddav_path=$(ynh_app_setting_get --app=$carddav_app_id --key=path)
-            carddav_url="https://${carddav_domain}${carddav_path%/}"
-            ynh_replace_string --match_string="{${carddav_app}_id}" --replace_string="$carddav_app_id" --target_file="$install_dir/plugins/carddav/config.inc.php"
-            ynh_replace_string --match_string="{${carddav_app}_url}" --replace_string="$carddav_url" --target_file="$install_dir/plugins/carddav/config.inc.php"
-        done
-    done
-
-    # Do not actualy add the cardDAV plugin if there's no cardDAV server available...
-    if [ $carddav_server -eq 1 ]
-    then
-        installed_plugins+=" 'carddav',"
-    fi
-fi
-
-#=================================================
-# UPDATE ROUNDCUBE CONFIGURATION
-#=================================================
-ynh_script_progression --message="Updating Roundcube configuration..." --weight=3
-
-ynh_replace_string --match_string="^\s*// installed plugins" --replace_string="&\n $installed_plugins" --target_file="$install_dir/config/config.inc.php"
-
-# Update javascript dependencies
-(cd "$install_dir"
-/usr/bin/php$phpversion -q ./bin/install-jsdeps.sh -v ?)
-
-# Store the config file checksum into the app settings
-ynh_store_file_checksum --file="$install_dir/config/config.inc.php"
-
-chmod 400 "$install_dir/config/config.inc.php"
-chown $app:$app "$install_dir/config/config.inc.php"
-
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 3c6497d..0ac447a 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -9,59 +9,15 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# ENSURE DOWNWARD COMPATIBILITY
-#=================================================
-ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
-
-# If with_carddav doesn't exist, create it
-if [ -z "${with_carddav:-}" ]; then
-	if [ -f "$install_dir/plugins/carddav/config.inc.php" ]
-	then
-		with_carddav=1
-	else
-		with_carddav=0
-	fi
-	ynh_app_setting_set --app=$app --key=with_carddav --value=$with_carddav
-fi
-
- # If language doesn't exist, create it
- if [ -z "${language:-}" ]; then
-    language="en_GB"
-    ynh_app_setting_set --app=$app --key=language --value=$language
-fi
-
-# If fpm_footprint doesn't exist, create it
-if [ -z "${fpm_footprint:-}" ]; then
-    fpm_footprint=low
-    ynh_app_setting_set --app=$app --key=fpm_footprint --value=$fpm_footprint
-fi
-
-# If fpm_free_footprint doesn't exist, create it
-if [ -z "${fpm_free_footprint:-}" ]; then
-    fpm_free_footprint=0
-    ynh_app_setting_set --app=$app --key=fpm_free_footprint --value=$fpm_free_footprint
-fi
-
-# If fpm_usage doesn't exist, create it
-if [ -z "${fpm_usage:-}" ]; then
-    fpm_usage=low
-    ynh_app_setting_set --app=$app --key=fpm_usage --value=$fpm_usage
-fi
-
 #=================================================
 # STANDARD UPGRADE STEPS
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
-
-# Get the current version of roundcube
-oldversion=$(grep RCMAIL_VERSION "$install_dir/program/include/iniset.php" | cut -d\' -f4)
-
 ynh_script_progression --message="Upgrading source files..." --weight=3
 
 # Download, check integrity, uncompress and patch the source from app.src
-ynh_setup_source --dest_dir="$install_dir"
+ynh_setup_source --dest_dir="$install_dir" --keep="config/config.inc.php"
 
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
@@ -72,125 +28,11 @@ chown -R $app:www-data "$install_dir"
 ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=5
 
 # Create a dedicated PHP-FPM config
-ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint
+ynh_add_fpm_config
 
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
-#=================================================
-# SPECIFIC UPGRADE
-#=================================================
-# CONFIGURE ROUNDCUBE
-#=================================================
-ynh_script_progression --message="Reconfiguring $app..." --weight=1
-
-deskey=$(ynh_string_random --length=24)
-ynh_add_config --template="config.inc.php" --destination="$install_dir/config/config.inc.php"
-
-#=================================================
-# UPDATE DEPENDENCIES WITH COMPOSER
-#=================================================
-ynh_script_progression --message="Updating dependencies with Composer..." --weight=30
-
-# Upgrade composer itself
-ynh_install_composer
-
-# Check if dependencies need to be updated with Composer
-if [ -f "$install_dir/composer.json" ]
-then
-    ynh_exec_warn_less ynh_composer_exec --commands="update"
-    # Update plugin-installer for Composer version 2.0
-    ynh_exec_warn_less ynh_composer_exec --commands="require roundcube/plugin-installer:>=0.2.0"
-else
-    # Install composer.json
-    cp "$install_dir/composer.json-dist" "$install_dir/composer.json"
-fi
-
-#=================================================
-# UPGRADE ADDITIONAL PLUGINS
-#=================================================
-ynh_script_progression --message="Upgrading additional plugins..." --weight=30
-
-# Create logs and temp directories
-mkdir -p "$install_dir/"{logs,temp}
-
-# Install net_LDAP
-ynh_composer_exec --commands="require kolab/net_ldap3"
-
-# Update or install contextmenu and automatic_addressbook plugins
-# https://plugins.roundcube.net/packages/sblaisot/automatic_addressbook
-# https://plugins.roundcube.net/packages/johndoh/contextmenu
-ynh_composer_exec --commands="update --no-dev --prefer-dist \
-    johndoh/contextmenu $contextmenu_version \
-    sblaisot/automatic_addressbook $automatic_addressbook_version"
-
-installed_plugins+=" 'contextmenu', 'automatic_addressbook',"
-
-ynh_add_config --template="enigma.config.inc.php" --destination="$install_dir/plugins/enigma/config.inc.php"
-mkdir -p "$install_dir/plugins/enigma/home"
-chown -R $app:$app "$install_dir/plugins/enigma/home"
-
-# Update or install CardDAV plugin
-if [ $with_carddav -eq 1 ]
-then
-    ynh_composer_exec --commands="require roundcube/carddav $carddav_version --with-all-dependencies"
-
-    carddav_tmp_config="../conf/carddav.config.inc.php"
-    carddav_server=0
-
-    # Copy the plugin configuration file
-    cp $install_dir/plugins/carddav/config.inc.php{.dist,}
-
-    # Look for installed and supported CardDAV servers
-    for carddav_app in "nextcloud" "baikal"
-    do
-        carddav_app_ids=$(yunohost app list | grep "id: $carddav_app" | grep -Po 'id: \K(.*)' || echo "")
-        for carddav_app_id in $carddav_app_ids
-        do
-            carddav_server=1
-            # Append preset configuration to the config file
-            cat "../conf/${carddav_app}.inc.php" >> $install_dir/plugins/carddav/config.inc.php
-            # Retrieve app settings and enable relevant preset
-            carddav_domain=$(ynh_app_setting_get --app=$carddav_app_id --key=domain)
-            carddav_path=$(ynh_app_setting_get --app=$carddav_app_id --key=path)
-            carddav_url="https://${carddav_domain}${carddav_path%/}"
-            ynh_replace_string --match_string="{${carddav_app}_id}" --replace_string="$carddav_app_id" --target_file="$install_dir/plugins/carddav/config.inc.php"
-            ynh_replace_string --match_string="{${carddav_app}_url}" --replace_string="$carddav_url" --target_file="$install_dir/plugins/carddav/config.inc.php"
-        done
-    done
-
-    # Do not actually add the carddav plugin if there's no carddav server available...
-    if [ $carddav_server -eq 1 ]
-    then
-        installed_plugins+=" 'carddav',"
-    fi
-fi
-
-#=================================================
-# UPDATE ROUNDCUBE CONFIGURATION
-#=================================================
-ynh_script_progression --message="Updating $app configuration..." --weight=4
-
-ynh_replace_string --match_string="^\s*// installed plugins" --replace_string="&\n $installed_plugins" --target_file="$install_dir/config/config.inc.php"
-
-# Update JavaScript dependencies
-pushd "$install_dir"
-    COMPOSER_ALLOW_SUPERUSER=1 "php$phpversion" ./bin/update.sh --version="?" -y <<< ""
-
-    # Store the config file checksum into the app settings
-    ynh_store_file_checksum --file="$install_dir/config/config.inc.php"
-
-    chmod 400 "$install_dir/config/config.inc.php"
-    chown $app:$app "$install_dir/config/config.inc.php"
-
-    #=================================================
-    # UPDATE ROUNDCUBE CORE
-    #=================================================
-    ynh_script_progression --message="Updating $app core..." --weight=4
-
-    COMPOSER_ALLOW_SUPERUSER=1 ynh_exec_warn "php$phpversion" ./bin/update.sh --version=$oldversion -y
-popd
-
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/tests.toml b/tests.toml
index ec3458b..bad39d0 100644
--- a/tests.toml
+++ b/tests.toml
@@ -9,7 +9,5 @@ test_format = 1.0
     # -------------------------------
 
     args.language = "en_GB"
-    args.with_carddav = 1
-
 
     test_upgrade_from.255335f9e9a001d5abec7192f07d168e30b3c3fb.name = "1.6.0~ynh3"