diff --git a/scripts/_common.sh b/scripts/_common.sh
index 3c9a7e4..5192a3d 100755
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -207,19 +207,6 @@ ynh_system_reload () {
 
 #=================================================
 
-# Delete a file checksum from the app settings
-#
-# $app should be defined when calling this helper
-#
-# usage: ynh_remove_file_checksum file
-# | arg: file - The file for which the checksum will be deleted
-ynh_delete_file_checksum () {
-	local checksum_setting_name=checksum_${1//[\/ ]/_}	# Replace all '/' and ' ' by '_'
-	ynh_app_setting_delete $app $checksum_setting_name
-}
-
-#=================================================
-
 ynh_maintenance_mode_ON () {
 	# Load value of $path_url and $domain from the config if their not set
 	if [ -z $path_url ]; then
diff --git a/scripts/backup b/scripts/backup
index dba7b73..9cc603e 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -44,8 +44,8 @@ ynh_backup "/etc/nginx/conf.d/$domain.d/$app.conf"
 # BACKUP OF THE PHP-FPM CONFIGURATION
 #=================================================
 
-ynh_backup "/etc/php5/fpm/pool.d/$app.conf"
-ynh_backup "/etc/php5/fpm/conf.d/20-$app.ini"
+ynh_backup "/etc/php$phpversion/fpm/pool.d/$app.conf"
+ynh_backup "/etc/php$phpversion/fpm/conf.d/20-$app.ini"
 
 #=================================================
 # BACKUP OF THE SQL BDD