diff --git a/check_process b/check_process
index a97d00b..2313518 100644
--- a/check_process
+++ b/check_process
@@ -20,26 +20,8 @@
 		upgrade=1	from_commit=03e787291ba1104f195fdeb5103071b9546b4ad5
 		backup_restore=1
 		multi_instance=0
-		wrong_user=1
-		wrong_path=1
-		incorrect_path=1
-		corrupt_source=1
-		fail_download_source=1
 		port_already_use=0
-		final_path_already_use=1
 		change_url=1
-;;; Levels
-	Level 1=auto
-	Level 2=auto
-	Level 3=auto
-	# Level 4: No ldap support (https://github.com/broncowdd/BoZoN/issues/197)
-	Level 4=na
-	Level 5=auto
-	Level 6=auto
-	Level 7=auto
-	Level 8=0
-	Level 9=0
-	Level 10=0
 ;;; Options
 Email=
 Notification=none
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 6d854b5..e6d2688 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -22,22 +22,10 @@ myynh_create_dir () {
 	[ -d "$1" ] || mkdir -p "$1"
 }
 
-# Check if enough disk space available on backup storage
-myynh_check_disk_space () {
-	file_to_analyse=$1
-	backup_size=$(du --summarize "$1" | cut -f1)
-	free_space=$(df --output=avail "/home/yunohost.backup" | sed 1d)
-	if [ $free_space -le $backup_size ]; then
-		WARNING echo "Not enough backup disk space for: $1"
-		WARNING echo "Space available: $(HUMAN_SIZE $free_space)"
-		ynh_die --message="Space needed: $(HUMAN_SIZE $backup_size)"
-	fi
-}
-
 # Clean & copy files needed to final folder
 myynh_clean_source () {
 	find "$tmpdir" -type f -name ".htaccess" | xargs rm
-	[ -e "$tmpdir/.gitignore" ] && rm -r "$tmpdir/.gitignore"
+	[ -e "$tmpdir/.gitignore" ] && ynh_secure_remove "$tmpdir/.gitignore"
 }
 
 myynh_set_permissions () {
diff --git a/scripts/backup b/scripts/backup
index 47df790..52daa89 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -21,7 +21,7 @@ ynh_abort_if_errors
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading installation settings..." --time --weight=1
+ynh_script_progression --message="Loading installation settings..."
 app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app="$app" --key=domain)
 final_path=$(ynh_app_setting_get --app="$app" --key=final_path)
@@ -32,21 +32,20 @@ data_path=$(ynh_app_setting_get --app="$app" --key=data_path)
 #=================================================
 # BACKUP THE APP MAIN DIR
 #=================================================
-ynh_script_progression --message="Backing up the main app directory..." --time --weight=1
+ynh_script_progression --message="Backing up the main app directory..."
 if [ -e "$final_path" ]; then
-	myynh_check_disk_space "$final_path"
 	ynh_backup --src_path="$final_path"
 fi
 #=================================================
 # BACKUP THE NGINX CONFIGURATION
 #=================================================
-ynh_script_progression --message="Backing up nginx web server configuration..." --time --weight=1
+ynh_script_progression --message="Backing up nginx web server configuration..."
 ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
 #=================================================
 # BACKUP THE PHP-FPM CONFIGURATION
 #=================================================
-ynh_script_progression --message="Backing up php-fpm configuration..." --time --weight=1
+ynh_script_progression --message="Backing up php-fpm configuration..."
 ynh_backup --src_path="/etc/php/7.0/fpm/pool.d/$app.conf"
 
 ##=================================================
@@ -58,7 +57,6 @@ ynh_script_progression --message="Backing up data directory..."
 if [ -e "$data_path" ]; then
 	backup_core_only=$(ynh_app_setting_get "$app" backup_core_only)
 	if [ $backup_core_only -eq 0 ]; then
-		myynh_check_disk_space "$data_path"
 		ynh_backup --src_path="$data_path" --is_big
 	else
 		echo "Data dir will not be saved, because backup_core_only is set to true." >&2
diff --git a/scripts/remove b/scripts/remove
index 2a3f4d2..f78ae0a 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -13,47 +13,36 @@ source /usr/share/yunohost/helpers
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading installation settings..." --time --weight=1
+ynh_script_progression --message="Loading installation settings..." --weight=1
 app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app="$app" --key=domain)
 final_path=$(ynh_app_setting_get --app="$app" --key=final_path)
 data_path=$(ynh_app_setting_get --app="$app" --key=data_path)
 
-#=================================================
-# BACKUP OF APP AND DATAS
-#=================================================
-ynh_script_progression --message="Backing up app and datas..." --time --weight=3
-if [ $(yunohost app list -i -f "$app" | wc -l) -gt 1 ]; then
-	ynh_app_setting_set --app="$app" --key=backup_core_only --value=0
-	app_bck=${app//_/-}
-	yunohost backup create --apps "$app" --name "${app_bck}_$(date '+%Y%m%d-%H%M%S')"
-	echo "BoZon fully backuped." >&2
-fi
-
 #=================================================
 # STANDARD REMOVE
 #=================================================
 # REMOVE DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Removing dependencies..." --time --weight=1
+ynh_script_progression --message="Removing dependencies..." --weight=1
 ynh_remove_app_dependencies
 
 #=================================================
 # REMOVE APP MAIN DIR
 #=================================================
-ynh_script_progression --message="Removing app main directory..." --time --weight=1
+ynh_script_progression --message="Removing app main directory..." --weight=1
 ynh_secure_remove --file="$final_path"
 
 #=================================================
 # REMOVE NGINX CONFIGURATION
 #=================================================
-ynh_script_progression --message="Removing nginx web server configuration..." --time --weight=1
+ynh_script_progression --message="Removing nginx web server configuration..." --weight=1
 ynh_remove_nginx_config
 
 #=================================================
 # REMOVE PHP-FPM CONFIGURATION
 #=================================================
-ynh_script_progression --message="Removing php-fpm configuration..." --time --weight=1
+ynh_script_progression --message="Removing php-fpm configuration..." --weight=1
 ynh_remove_fpm_config
 
 #=================================================
@@ -66,10 +55,10 @@ ynh_secure_remove --file="$data_path"
 #=================================================
 # REMOVE DEDICATED USER
 #=================================================
-ynh_script_progression --message="Removing the dedicated system user..." --time --weight=1
+ynh_script_progression --message="Removing the dedicated system user..." --weight=1
 ynh_system_user_delete --username="$app"
 
 #=================================================
 # END OF SCRIPT
 #=================================================
-ynh_script_progression --message="Removal of $app completed" --time --last
+ynh_script_progression --message="Removal of $app completed" --last
diff --git a/scripts/restore b/scripts/restore
index cda5821..b053215 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -22,7 +22,7 @@ ynh_abort_if_errors
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading installation settings..." --time --weight=1
+ynh_script_progression --message="Loading installation settings..." --weight=1
 app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app="$app" --key=domain)
 path_url=$(ynh_app_setting_get --app="$app" --key=path)
@@ -33,7 +33,7 @@ data_path=$(ynh_app_setting_get --app="$app" --key=data_path)
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
 #=================================================
-ynh_script_progression --message="Validating restoration parameters..." --time --weight=1
+ynh_script_progression --message="Validating restoration parameters..." --weight=1
 ynh_webpath_available --domain="$domain" --path_url="$path_url" || ynh_die --message="Path not available: ${domain}${path_url}"
 test ! -d $final_path || ynh_die --message="There is already a directory: $final_path"
 
@@ -47,13 +47,13 @@ ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
-ynh_script_progression --message="Restoring the app main directory..." --time --weight=1
+ynh_script_progression --message="Restoring the app main directory..." --weight=1
 ynh_restore_file --origin_path="$final_path"
 
 #=================================================
 # RECREATE THE DEDICATED USER
 #=================================================
-ynh_script_progression --message="Recreating the dedicated system user..." --time --weight=1
+ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
 ynh_system_user_create --username="$app"
 
 #=================================================
@@ -66,13 +66,13 @@ ynh_restore_file --origin_path="/etc/php/7.0/fpm/pool.d/$app.conf"
 #=================================================
 # REINSTALL DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Reinstalling dependencies..." --time --weight=1
+ynh_script_progression --message="Reinstalling dependencies..." --weight=1
 ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # RESTORE THE DATA DIR
 #=================================================
-ynh_script_progression --message="Restoring the data directory..." --time --weight=2
+ynh_script_progression --message="Restoring the data directory..." --weight=2
 if [ ! -d "$data_path" ]; then
 	if [ $backup_core_only -eq 0 ]; then
 		ynh_restore_file --origin_path="$data_path"
@@ -94,12 +94,12 @@ myynh_set_permissions
 #=================================================
 # RELOAD NGINX AND PHP-FPM
 #=================================================
-ynh_script_progression --message="Reloading nginx web server and php-fpm..." --time --weight=1
+ynh_script_progression --message="Reloading nginx web server and php-fpm..." --weight=1
 ynh_systemd_action --service_name=php7.0-fpm --action=reload
 ynh_systemd_action --service_name=nginx --action=reload
 
 #=================================================
 # END OF SCRIPT
 #=================================================
-ynh_script_progression --message="Restoration completed for $app" --time --last
+ynh_script_progression --message="Restoration completed for $app" --last
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 25873f8..d299ece 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -25,7 +25,7 @@ data_path=$(ynh_app_setting_get --app="$app" --key=data_path)
 #=================================================
 # ENSURE DOWNWARD COMPATIBILITY
 #=================================================
-ynh_script_progression --message="Ensuring downward compatibility..." --time --weight=1
+ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
 # If final_path doesn't exist, create it
 if [ -z "$final_path" ]; then
 	final_path="/var/www/$app"
@@ -87,7 +87,7 @@ ynh_add_nginx_config
 #=================================================
 # UPGRADE DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Upgrading dependencies..." --time --weight=1
+ynh_script_progression --message="Upgrading dependencies..." --weight=1
 ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================