Remove OMG from MQTT integration

Hi.

“Configuration” --> “Integrations” --> “MQTT: configuration.yaml” --> “OpenMQTTGateway”

I have no entities in OpenMQTTGateway integration, I messed something up.
I want to remove and re-add OMG to the MQTT integration.

I can’t remove only OMG from MQTT integration. Can I simply remove the whole MQTT integration from “Integrations” and everything will re-appear?

Is there another way to remove only OMG?