diff --git a/scripts/backup b/scripts/backup
index c6be9d6..79da68a 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -28,23 +28,13 @@ ynh_backup --src_path="$install_dir"
 ynh_backup --src_path="$data_dir" --is_big
 
 #=================================================
-# SPECIFIC BACKUP
-#=================================================
-# BACKUP LOGROTATE
+# SYSTEM CONFIGURATION
 #=================================================
 
 ynh_backup --src_path="/etc/logrotate.d/$app"
 
-#=================================================
-# BACKUP VARIOUS FILES
-#=================================================
-
 ynh_backup --src_path="/etc/sysctl.d/90-max_map_count-elasticsearch.conf"
 
-#=================================================
-# BACKUP SYSTEMD
-#=================================================
-
 ynh_backup --src_path="/etc/systemd/system/$app.service"
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index ccc78e5..27eeb50 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -9,12 +9,6 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# CHECK VERSION
-#=================================================
-
-upgrade_type=$(ynh_check_app_version_changed)
-
 #=================================================
 # STANDARD UPGRADE STEPS
 #=================================================
@@ -24,24 +18,12 @@ ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
 
-#=================================================
-# ENSURE DOWNWARD COMPATIBILITY
-#=================================================
-ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
+ynh_script_progression --message="Upgrading source files..." --weight=20
 
-if [ "$upgrade_type" == "UPGRADE_APP" ]
-then
-	ynh_script_progression --message="Upgrading source files..." --weight=20
-
-	# Download, check integrity, uncompress and patch the source from app.src
-	# The keep option prevents this warning:
-	#   "File .... has been manually modified since the installation or last upgrade."
-	ynh_setup_source --dest_dir="$install_dir" --full_replace=1 --keep="config/elasticsearch.yml"
-fi
+ynh_setup_source --dest_dir="$install_dir" --full_replace=1 --keep="config/elasticsearch.yml"
 
 chmod -R o-rwx "$install_dir"
 chown -R $app:$app "$install_dir"