diff --git a/helpers/helpers.v2.1.d/apps b/helpers/helpers.v2.1.d/apps
deleted file mode 100644
index ca76caf8d..000000000
--- a/helpers/helpers.v2.1.d/apps
+++ /dev/null
@@ -1,213 +0,0 @@
-#!/bin/bash
-
-# Install others YunoHost apps
-#
-# usage: ynh_install_apps --apps="appfoo?domain=domain.foo&path=/foo appbar?domain=domain.bar&path=/bar&admin=USER&language=fr&is_public=1&pass?word=pass&port=666"
-# | arg: -a, --apps=     - apps to install
-#
-# Requires YunoHost version *.*.* or higher.
-ynh_install_apps() {
-    # ============ Argument parsing =============
-	local -A args_array=([a]=apps=)
-	local apps
-	ynh_handle_getopts_args "$@"
-    # ===========================================
-
-	# Split the list of apps in an array
-	local apps_list=($(echo $apps | tr " " "\n"))
-	local apps_dependencies=""
-	
-	# For each app
-	for one_app_and_its_args in "${apps_list[@]}"
-	do
-		# Retrieve the name of the app (part before ?)
-		local one_app=$(cut -d "?" -f1 <<< "$one_app_and_its_args")
-		[ -z "$one_app" ] && ynh_die "You didn't provided a YunoHost app to install"
-
-		yunohost tools update apps
-		
-		# Installing or upgrading the app depending if it's installed or not
-		if ! yunohost app list --output-as json --quiet | jq -e --arg id $one_app '.apps[] | select(.id == $id)' >/dev/null
-		then
-			# Retrieve the arguments of the app (part after ?)
-			local one_argument=""
-			if [[ "$one_app_and_its_args" == *"?"* ]]; then
-				one_argument=$(cut -d "?" -f2- <<< "$one_app_and_its_args")
-				one_argument="--args $one_argument"
-			fi
-			
-			# Install the app with its arguments
-			yunohost app install $one_app $one_argument
-		else
-			# Upgrade the app
-			yunohost app upgrade $one_app
-		fi
-
-		if [ ! -z "$apps_dependencies" ]
-		then
-			apps_dependencies="$apps_dependencies, $one_app"
-		else
-			apps_dependencies="$one_app"
-		fi
-	done
-
-	ynh_app_setting_set --key=apps_dependencies --value="$apps_dependencies"
-}
-
-# Remove other YunoHost apps
-#
-# Other YunoHost apps will be removed only if no other apps need them.
-#
-# usage: ynh_remove_apps
-#
-# Requires YunoHost version *.*.* or higher.
-ynh_remove_apps() {
-	# Retrieve the apps dependencies of the app
-	local apps_dependencies=$(ynh_app_setting_get --key=apps_dependencies)
-	ynh_app_setting_delete --key=apps_dependencies
-
-	if [ ! -z "$apps_dependencies" ]
-	then
-		# Split the list of apps dependencies in an array
-		local apps_dependencies_list=($(echo $apps_dependencies | tr ", " "\n"))
-		
-		# For each apps dependencies
-		for one_app in "${apps_dependencies_list[@]}"
-		do
-			# Retrieve the list of installed apps
-			local installed_apps_list=$(yunohost app list --output-as json --quiet | jq -r .apps[].id)
-			local required_by=""
-			local installed_app_required_by=""
-
-			# For each other installed app
-			for one_installed_app in $installed_apps_list
-			do
-				# Retrieve the other apps dependencies
-				one_installed_apps_dependencies=$(ynh_app_setting_get --app=$one_installed_app --key=apps_dependencies)
-				if [ ! -z "$one_installed_apps_dependencies" ]
-				then
-					one_installed_apps_dependencies_list=($(echo $one_installed_apps_dependencies | tr ", " "\n"))
-
-					# For each dependency of the other apps
-					for one_installed_app_dependency in "${one_installed_apps_dependencies_list[@]}"
-					do
-						if [[ $one_installed_app_dependency == $one_app ]]; then
-							required_by="$required_by $one_installed_app"
-						fi
-					done
-				fi
-			done
-
-			# If $one_app is no more required
-			if [[ -z "$required_by" ]]
-			then
-				# Remove $one_app
-				ynh_print_info "Removing of $one_app"
-				yunohost app remove $one_app --purge
-			else
-				ynh_print_info "$one_app was not removed because it's still required by${required_by}"
-			fi
-		done
-	fi
-}
-
-# Spawn a Bash shell with the app environment loaded
-#
-# usage: ynh_spawn_app_shell --app="app"
-#     | arg: -a, --app=     - the app ID
-#
-# examples:
-#   ynh_spawn_app_shell --app="APP" <<< 'echo "$USER"'
-#   ynh_spawn_app_shell --app="APP" < /tmp/some_script.bash
-#
-# Requires YunoHost version 11.0.* or higher, and that the app relies on packaging v2 or higher.
-# The spawned shell will have environment variables loaded and environment files sourced
-# from the app's service configuration file (defaults to $app.service, overridable by the packager with `service` setting).
-# If the app relies on a specific PHP version, then `php` will be aliased that version. The PHP command will also be appended with the `phpflags` settings.
-ynh_spawn_app_shell() {
-    # ============ Argument parsing =============
-    local -A args_array=([a]=app=)
-    local app
-    ynh_handle_getopts_args "$@"
-    # ===========================================
-
-    # Force Bash to be used to run this helper
-    if [[ ! $0 =~ \/?bash$ ]]
-    then
-        ynh_print_warn "Please use Bash as shell"
-        exit 1
-    fi
-
-    # Make sure the app is installed
-    local installed_apps_list=($(yunohost app list --output-as json --quiet | jq -r .apps[].id))
-    if [[ " ${installed_apps_list[*]} " != *" ${app} "* ]]
-    then
-        ynh_print_warn "$app is not in the apps list"
-        exit 1
-    fi
-
-    # Make sure the app has its own user
-    if ! id -u "$app" &>/dev/null; then
-        ynh_print_warn "There is no \"$app\" system user"
-        exit 1
-    fi
-
-    # Make sure the app has an install_dir setting
-    local install_dir=$(ynh_app_setting_get --key=install_dir)
-    if [ -z "$install_dir" ]
-    then
-        ynh_print_warn "$app has no install_dir setting (does it use packaging format >=2?)"
-        exit 1
-    fi
-
-    # Load the app's service name, or default to $app
-    local service=$(ynh_app_setting_get --key=service)
-    [ -z "$service" ] && service=$app;
-
-    # Export HOME variable
-    export HOME=$install_dir;
-
-    # Load the Environment variables from the app's service
-    local env_var=$(systemctl show $service.service -p "Environment" --value)
-    [ -n "$env_var" ] && export $env_var;
-
-    # Force `php` to its intended version
-    # We use `eval`+`export` since `alias` is not propagated to subshells, even with `export`
-    local php_version=$(ynh_app_setting_get --key=php_version)
-    local phpflags=$(ynh_app_setting_get --key=phpflags)
-    if [ -n "$php_version" ]
-    then
-        eval "php() { php${php_version} ${phpflags} \"\$@\"; }"
-        export -f php
-    fi
-
-    # Source the EnvironmentFiles from the app's service
-    local env_files=($(systemctl show $service.service -p "EnvironmentFiles" --value))
-    if [ ${#env_files[*]} -gt 0 ]
-    then
-        # set -/+a enables and disables new variables being automatically exported. Needed when using `source`.
-        set -a
-        for file in ${env_files[*]}
-        do
-            [[ $file = /* ]] && source $file
-        done
-        set +a
-    fi
-
-    # Activate the Python environment, if it exists
-    if [ -f $install_dir/venv/bin/activate ]
-    then
-        # set -/+a enables and disables new variables being automatically exported. Needed when using `source`.
-        set -a
-        source $install_dir/venv/bin/activate
-        set +a
-    fi
-
-    # cd into the WorkingDirectory set in the service, or default to the install_dir
-    local env_dir=$(systemctl show $service.service -p "WorkingDirectory" --value)
-    [ -z $env_dir ] && env_dir=$install_dir;
-    cd $env_dir
-
-    # Spawn the app shell
-    su -s /bin/bash $app
-}