University Academy Long Sutton say no one is stopped from going to the toilet when genuinely needed.
David Hoyles' farm has grown what is believed to be Lincolnshire's first commercial olive crop.
Platinum Group Metals Recycling in Long Sutton traded catalytic converters without a licence.
The council says the developer has made the changes it wanted and the plan can move forward.
Lee Merrison, 34, was sentenced to five years and 10 months after a trial at Lincoln Crown Court.
Edvars Stancik made £4.3m from the illegal converter trading, Lincoln Crown Court heard.
The application for panels on 136 acres of farmland, near Long Sutton, was narrowly voted through.
Police say the man's family are being supported and an investigation into the incident is ongoing.
People are being urged to donate old bras to raise money for the charity Against Breast Cancer.
