[Home](./index.md) > [fastify-metrics](./fastify-metrics.md) > [IMetricsPluginOptions](./fastify-metrics.imetricspluginoptions.md) > [clearRegisterOnInit](./fastify-metrics.imetricspluginoptions.clearregisteroninit.md) ## IMetricsPluginOptions.clearRegisterOnInit property Clears the prom-client global registry before adding metrics. Default to `false` **Signature:** ```typescript clearRegisterOnInit: boolean; ``` ## Default Value `false`