diff --git a/scripts/_common.sh b/scripts/_common.sh
index 2e03908..aa009f6 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,17 +4,6 @@
 # PERSONAL HELPERS
 #=================================================
 
-# 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
-}
-
 # Send an email to inform the administrator
 #
 # usage: ynh_send_readme_to_admin app_message [recipients]