Monitoring query the DB

We are experience the Monitory feature in BI 4 is constantly inserting data to the audit database. It's inserting close to 40gb of data per hour. Anyone knows why?

• (@P1 char(65),@P2 char(256),@P3 int)INSERT
  INTO MOT_MES_METRICS (CUID,Name,DetailsId) VALUES (@P1,@P2,@P3)  

• (@P1 char(65))DELETE FROM MOT_MES_METRICS
  WHERE CUID=@P1  

• (@P1 int,@P2 bigint,@P3 int,@P4 char(33),@P5
  datetime2)INSERT INTO MOT_TREND_DATA (DetailsId,Time,Value,MessageKey,Ts)
  VALUES (@P1,@P2,@P3,@P4,@P5)