diff --git a/scripts/remove b/scripts/remove
index f66349f..9e04e1b 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -83,7 +83,6 @@ ynh_script_progression --message="Removing dependencies..."
 #Remove config file detection
 delete_initZabbixConf
 
-DEBIAN_FRONTEND=noninteractive apt-get purge zabbix-release -y
 ynh_remove_app_dependencies
 
 ynh_remove_extra_repo --name=$app
diff --git a/scripts/upgrade b/scripts/upgrade
index 0824f92..53db434 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -101,17 +101,6 @@ ynh_remove_logrotate
 # Check if new zabbix version is available on repo"
 
 ynh_package_update
-zabbixReleaseInstalledVersion=$(apt-cache policy zabbix-release | sed -n '2p' | grep -Po ".* \K(.*)")
-
-if [[ "$trustedversion" > "$zabbixReleaseInstalledVersion" ]]
-then
-	upgrade_type="UPGRADE_APP"
-fi
-
-if [ -f "/etc/zabbix/web/zabbix.conf.php" ]
-then
-	ynh_secure_remove --file="/etc/zabbix/web/zabbix.conf.php"
-fi
 
 ynh_add_config --template="../conf/etc_zabbix_web_zabbix.conf.php" --destination="/etc/zabbix/web/zabbix.conf.php"