diff --git a/scripts/_common.sh b/scripts/_common.sh
index b71abe9..d531f63 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -5,10 +5,8 @@
 #=================================================
 
 # dependencies used by the app
-pkg_dependencies="mongodb mongodb-server mongo-tools"
-pkg_dependencies_buster="mongodb-org mongodb-org-server mongodb-org-tools"
-mongodb_stretch="mongodb"
-mongodb_buster="mongod"
+pkg_dependencies=""
+
 nodejsversion=12.16.3
 
 #=================================================
diff --git a/scripts/install b/scripts/install
index d237541..a405fbe 100755
--- a/scripts/install
+++ b/scripts/install
@@ -76,6 +76,7 @@ ynh_app_setting_set --app=$app --key=port --value=$port
 #=================================================
 ynh_script_progression --message="Installing dependencies..."
 
+ynh_install_app_dependencies $pkg_dependencies
 ynh_install_nodejs --nodejs_version=$nodejsversion
 ynh_use_nodejs
 
@@ -86,10 +87,6 @@ ynh_mongo_install
 #=================================================
 ynh_script_progression --message="Creating a MongoDB database..."
 
-# Start mongodb
-systemctl enable $mongodb_servicename
-systemctl start $mongodb_servicename
-
 # Registering db name
 db_name=$(ynh_sanitize_dbid --db_name=$app)
 db_user=$db_name
diff --git a/scripts/restore b/scripts/restore
index bd1eaff..58b69dd 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -86,6 +86,7 @@ find "$final_path" -type d -print0 | xargs -0 chmod 750
 ynh_script_progression --message="Reinstalling dependencies..."
 
 # Define and install dependencies
+ynh_install_app_dependencies $pkg_dependencies
 ynh_install_nodejs --nodejs_version=$nodejsversion
 ynh_use_nodejs
 
@@ -96,9 +97,6 @@ ynh_mongo_install
 #=================================================
 ynh_script_progression --message="Restoring the MongoDB database..."
 
-# Start mongodb
-systemctl enable $mongodb_servicename
-systemctl start $mongodb_servicename
 db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
 ynh_mongo_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
 ynh_mongo_restore_db --database="$db_name" < ./dump.bson
diff --git a/scripts/upgrade b/scripts/upgrade
index b69cc76..0e7a51c 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -176,6 +176,7 @@ ynh_add_nginx_config
 #=================================================
 ynh_script_progression --message="Upgrading dependencies..."
 
+ynh_install_app_dependencies $pkg_dependencies
 ynh_remove_nodejs
 ynh_install_nodejs --nodejs_version=$nodejsversion
 ynh_use_nodejs