diff --git a/scripts/backup b/scripts/backup
index 7682154..84308f2 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -14,10 +14,6 @@ source /usr/share/yunohost/helpers
 # MANAGE SCRIPT FAILURE
 #=================================================
 
-ynh_clean_setup () {
-	### Remove this function if there's nothing to clean before calling the remove script.
-	true
-}
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors