diff --git a/check_process b/check_process
index f41c4c9..2bffd5c 100644
--- a/check_process
+++ b/check_process
@@ -20,7 +20,7 @@
 		setup_private=1
 		setup_public=1
 		upgrade=1
-		upgrade=1	from_commit=CommitHash
+		#upgrade=1	from_commit=CommitHash
 		backup_restore=1
 		multi_instance=1
 		port_already_use=0
diff --git a/scripts/backup b/scripts/backup
index a57334a..68a2a5f 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -30,8 +30,6 @@ app=$YNH_APP_INSTANCE_NAME
 
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 domain=$(ynh_app_setting_get --app=$app --key=domain)
-db_name=$(ynh_app_setting_get --app=$app --key=db_name)
-phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 datadir=$(ynh_app_setting_get --app=$app --key=datadir)
 
 #=================================================
@@ -39,11 +37,6 @@ datadir=$(ynh_app_setting_get --app=$app --key=datadir)
 #=================================================
 ynh_print_info --message="Declaring files to be backed up..."
 
-### N.B. : the following 'ynh_backup' calls are only a *declaration* of what needs
-### to be backuped and not an actual copy of any file. The actual backup that
-### creates and fill the archive with the files happens in the core after this
-### script is called. Hence ynh_backups calls takes basically 0 seconds to run.
-
 #=================================================
 # BACKUP THE APP MAIN DIR
 #=================================================
diff --git a/scripts/change_url b/scripts/change_url
index c8fa7ec..ad08adb 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -28,11 +28,6 @@ ynh_script_progression --message="Loading installation settings..."
 
 # Needed for helper "ynh_add_nginx_config"
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-port=$(ynh_app_setting_get --app=$app --key=port)
-# Add settings here as needed by your application
-#db_name=$(ynh_app_setting_get --app=$app --key=db_name)
-#db_user=$db_name
-#db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
 
 #=================================================
 # BACKUP BEFORE CHANGE URL THEN ACTIVE TRAP
diff --git a/scripts/restore b/scripts/restore
index d7a3477..9b2f80a 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -31,9 +31,6 @@ app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-db_name=$(ynh_app_setting_get --app=$app --key=db_name)
-db_user=$db_name
-phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 datadir=$(ynh_app_setting_get --app=$app --key=datadir)
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index c81f007..fdc852a 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -18,10 +18,7 @@ app=$YNH_APP_INSTANCE_NAME
 
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
-language=$(ynh_app_setting_get --app=$app --key=language)
-admin=$(ynh_app_setting_get --app=$app --key=admin)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 
 #=================================================
 # CHECK VERSION
@@ -131,15 +128,6 @@ chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
 
-ynh_script_progression --message="Finding an available port..."
-
-#=================================================
-# FIND AND OPEN A PORT
-#================================================= 
-# Find an available port
-port=$(ynh_find_port --port=8080)
-ynh_app_setting_set --app=$app --key=port --value=$port
-
 #=================================================
 # NGINX CONFIGURATION
 #=================================================