Teams often identify files which are not needed to be reviewed at the current time. To remove documents from review (which can be placed back into review with the Policy) select the documents and right click - Document Tools - Remove from review. Documents which have been produced cannot be deleted or removed from a matter.
Confirm the action
This option is also available for a binder of documents by holding down the CTRL key while right clicking on the binder. This is recommend for larger data set such as junk files. Use the Save results to... option to quickly place large data sets into binders.
To place documents back into review go to Settings - Review Policy - select "Include previously removed documents"