diff --git a/scripts/install b/scripts/install
index 1fd1162..60d6a73 100755
--- a/scripts/install
+++ b/scripts/install
@@ -8,7 +8,6 @@
 
 source _common.sh
 source ynh_systemd_action
-source ynh_add_secure_repos__2
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -91,10 +90,13 @@ ynh_app_setting_set $app port $port
 #=================================================
 ynh_print_info "Adding Erlang repository..."
 
+wget https://packages.erlang-solutions.com/debian/erlang_solutions.asc
+apt-key add erlang_solutions.asc
+rm erlang_solutions.asc
 if [ "$(lsb_release --codename --short)" == "jessie" ]; then
-	ynh_install_extra_repo --repo="deb http://packages.erlang-solutions.com/debian jessie contrib" --key="https://packages.erlang-solutions.com/debian/erlang_solutions.asc"
+	echo "deb http://packages.erlang-solutions.com/debian jessie contrib" | tee /etc/apt/sources.list.d/$app.list
 elif [ "$(lsb_release --codename --short)" == "stretch" ]; then
-	ynh_install_extra_repo --repo="deb http://packages.erlang-solutions.com/debian stretch contrib" --key="https://packages.erlang-solutions.com/debian/erlang_solutions.asc"
+	echo "deb http://packages.erlang-solutions.com/debian stretch contrib" | tee /etc/apt/sources.list.d/$app.list
 fi
 ynh_package_update
 
diff --git a/scripts/remove b/scripts/remove
index 2de13fc..4089ddd 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -8,7 +8,6 @@
 
 source _common.sh
 source ynh_systemd_action
-source ynh_add_secure_repos__2
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -75,7 +74,7 @@ ynh_remove_app_dependencies
 #=================================================
 ynh_print_info "Removing erlang repository..."
 
-ynh_remove_extra_repo
+ynh_secure_remove "/etc/apt/sources.list.d/${app}.list"
 apt-key del A14F4FCA
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 7c8e87d..0b9ba3e 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -8,7 +8,6 @@
 
 source ../settings/scripts/_common.sh
 source ../settings/scripts/ynh_systemd_action
-source ../settings/scripts/ynh_add_secure_repos__2
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -88,10 +87,13 @@ chown -R "$app":"$app" "$final_path"
 #=================================================
 ynh_print_info "Adding Erlang repository..."
 
+wget https://packages.erlang-solutions.com/debian/erlang_solutions.asc
+apt-key add erlang_solutions.asc
+rm erlang_solutions.asc
 if [ "$(lsb_release --codename --short)" == "jessie" ]; then
-	ynh_install_extra_repo --repo="deb http://packages.erlang-solutions.com/debian jessie contrib" --key="https://packages.erlang-solutions.com/debian/erlang_solutions.asc"
+	echo "deb http://packages.erlang-solutions.com/debian jessie contrib" | tee /etc/apt/sources.list.d/$app.list
 elif [ "$(lsb_release --codename --short)" == "stretch" ]; then
-	ynh_install_extra_repo --repo="deb http://packages.erlang-solutions.com/debian stretch contrib" --key="https://packages.erlang-solutions.com/debian/erlang_solutions.asc"
+	echo "deb http://packages.erlang-solutions.com/debian stretch contrib" | tee /etc/apt/sources.list.d/$app.list
 fi
 ynh_package_update
 
diff --git a/scripts/ynh_add_secure_repos__2 b/scripts/ynh_add_secure_repos__2
deleted file mode 100644
index 51a9f1b..0000000
--- a/scripts/ynh_add_secure_repos__2
+++ /dev/null
@@ -1,166 +0,0 @@
-#!/bin/bash
-
-# Pin a repository.
-#
-# usage: ynh_pin_repo --package=packages --pin=pin_filter --priority=priority_value [--name=name] [--append]
-# | arg: -p, --package - Packages concerned by the pin. Or all, *.
-# | arg: -i, --pin - Filter for the pin.
-# | arg: -p, --priority - Priority for the pin
-# | arg: -n, --name - Name for the files for this repo, $app as default value.
-# | arg: -a, --append - Do not overwrite existing files.
-#
-# See https://manpages.debian.org/stretch/apt/apt_preferences.5.en.html for information about pinning.
-#
-ynh_pin_repo () {
-	# Declare an array to define the options of this helper.
-	local legacy_args=pirna
-	declare -Ar args_array=( [p]=package= [i]=pin= [r]=priority= [n]=name= [a]=append )
-	local package
-	local pin
-	local priority
-	local name
-	local append
-	# Manage arguments with getopts
-	ynh_handle_getopts_args "$@"
-	package="${package:-*}"
-	priority=${priority:-50}
-	name="${name:-$app}"
-	append=${append:-0}
-
-	if [ $append -eq 1 ]
-	then
-		append="tee -a"
-	else
-		append="tee"
-	fi
-
-	mkdir -p "/etc/apt/preferences.d"
-	echo "Package: $package
-Pin: $pin
-Pin-Priority: $priority" \
-	| $append "/etc/apt/preferences.d/$name"
-}
-
-# Add a repository.
-#
-# usage: ynh_add_repo --uri=uri --suite=suite --component=component [--name=name] [--append]
-# | arg: -u, --uri - Uri of the repository.
-# | arg: -s, --suite - Suite of the repository.
-# | arg: -c, --component - Component of the repository.
-# | arg: -n, --name - Name for the files for this repo, $app as default value.
-# | arg: -a, --append - Do not overwrite existing files.
-#
-# Example for a repo like deb http://forge.yunohost.org/debian/ stretch stable
-#                             uri                               suite   component
-# ynh_add_repo --uri=http://forge.yunohost.org/debian/ --suite=stretch --component=stable
-#
-ynh_add_repo () {
-	# Declare an array to define the options of this helper.
-	local legacy_args=uscna
-	declare -Ar args_array=( [u]=uri= [s]=suite= [c]=component= [n]=name= [a]=append )
-	local uri
-	local suite
-	local component
-	local name
-	local append
-	# Manage arguments with getopts
-	ynh_handle_getopts_args "$@"
-	name="${name:-$app}"
-	append=${append:-0}
-
-	if [ $append -eq 1 ]
-	then
-		append="tee -a"
-	else
-		append="tee"
-	fi
-
-	mkdir -p "/etc/apt/sources.list.d"
-	# Add the new repo in sources.list.d
-	echo "deb $uri $suite $component" \
-		| $append "/etc/apt/sources.list.d/$name.list"
-}
-
-# Add an extra repository correctly, pin it and get the key.
-#
-# usage: ynh_install_extra_repo --repo="repo" [--key=key_url] [--name=name] [--append]
-# | arg: -r, --repo - Complete url of the extra repository.
-# | arg: -k, --key - url to get the public key.
-# | arg: -n, --name - Name for the files for this repo, $app as default value.
-# | arg: -a, --append - Do not overwrite existing files.
-ynh_install_extra_repo () {
-	# Declare an array to define the options of this helper.
-	local legacy_args=rkna
-	declare -Ar args_array=( [r]=repo= [k]=key= [n]=name= [a]=append )
-	local repo
-	local key
-	local name
-	local append
-	# Manage arguments with getopts
-	ynh_handle_getopts_args "$@"
-	name="${name:-$app}"
-	append=${append:-0}
-	key=${key:-0}
-
-	if [ $append -eq 1 ]
-	then
-		append="--append"
-		wget_append="tee -a"
-	else
-		append=""
-		wget_append="tee"
-	fi
-
-	# Split the repository into uri, suite and components.
-	# Remove "deb " at the beginning of the repo.
-	repo="${repo#deb }"
-
-	# Get the uri
-	local uri="$(echo "$repo" | awk '{ print $1 }')"
-
-	# Get the suite
-	local suite="$(echo "$repo" | awk '{ print $2 }')"
-
-	# Get the components
-	local component="${repo##$uri $suite }"
-
-	# Add the repository into sources.list.d
-	ynh_add_repo --uri="$uri" --suite="$suite" --component="$component" --name="$name" $append
-
-	# Pin the new repo with the default priority, so it won't be used for upgrades.
-	# Build $pin from the uri without http and any sub path
-	local pin="${uri#*://}"
-	pin="${pin%%/*}"
-	ynh_pin_repo --package="*" --pin="origin \"$pin\"" --name="$name" $append
-
-	# Get the public key for the repo
-	if [ -n "$key" ]
-	then
-		mkdir -p "/etc/apt/trusted.gpg.d"
-		wget -q "$key" -O - | $wget_append /etc/apt/trusted.gpg.d/$name.gpg
-	fi
-
-	# Update the list of package with the new repo
-	ynh_package_update
-}
-
-# Remove an extra repository and the assiociated configuration.
-#
-# usage: ynh_remove_extra_repo [--name=name]
-# | arg: -n, --name - Name for the files for this repo, $app as default value.
-ynh_remove_extra_repo () {
-	# Declare an array to define the options of this helper.
-	local legacy_args=n
-	declare -Ar args_array=( [n]=name= )
-	local name
-	# Manage arguments with getopts
-	ynh_handle_getopts_args "$@"
-	name="${name:-$app}"
-
-	ynh_secure_remove "/etc/apt/sources.list.d/$name.list"
-	ynh_secure_remove "/etc/apt/preferences.d/$name"
-	ynh_secure_remove "/etc/apt/trusted.gpg.d/$name.gpg"
-
-	# Update the list of package to exclude the old repo
-	ynh_package_update
-}