Looker connector - record count generated by looker studio

I'm connecting looker studio with a model in looker and I've done a report. Then in the metada of looker a realized that the report it didn't use the PDT that I created in the model. So I saw the query that is generated in the consults of looker and it appeared a metric record count that I didn't do it. So I think that looker studio is generating , I don't know why. Could you help taking off this metric from looker studio?

 

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