{
  "pluginType": "datasource",
  "name": "Zabbix",

  "type": "zabbix",
  "serviceName": "ZabbixAPIDatasource",

  "module": "plugins/datasource/zabbix/datasource",

  "partials": {
    "config": "app/plugins/datasource/zabbix/partials/config.html",
    "query": "app/plugins/datasource/zabbix/partials/query.editor.html",
    "annotations": "app/plugins/datasource/zabbix/partials/annotations.editor.html"
  },

  "username": "guest",
  "password": "",

  "trends": true,
  "trendsFrom": "7d",

  "limitmetrics": 50,

  "metrics": true,
  "annotations": true
}

{
  "pluginType": "datasource",
  "name": "Zabbix",

  "type": "zabbix",
  "serviceName": "ZabbixAPIDatasource",

  "module": "plugins/datasource/zabbix/datasource",

  "partials": {
    "config": "app/plugins/datasource/zabbix/partials/config.html",
    "query": "app/plugins/datasource/zabbix/partials/query.editor.html",
    "annotations": "app/plugins/datasource/zabbix/partials/annotations.editor.html"
  },

  "username": "guest",
  "password": "",

  "trends": false,
  "trendsFrom": "7d",

  "limitmetrics": 50,

  "metrics": true,
  "annotations": true
}

Change default value for trends parameter to false.
Change default value for trends parameter to false.
