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performance_schema.setup_objects not work?

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According to the documentation, built-in databases are ignored by Performance Schema.

The effect of the default object configuration is to instrument all objects except those in the mysql, INFORMATION_SCHEMA, and performance_schema databases.

But in my case, events_statements_history, events_stages_history and events_statements_summary_by_digest retains all the data relating to performance_schema and mysql. Why? My MySQL is newly installed and has all the default settings. My setup_objects has exactly the same data as the data in the document's example;

events_statements_history

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