Aliyu Abubakar said that one Bala Sanga had threatened to detain him if he refused to implicate the former president, and ex-minister.
The prosecution counsel Yewande Cole told the court that she had been directed by the attorney general to withdraw the case.
Five armed assailants had broken into the home of Olanrewaju Suraju, and had beaten him and his wife before carting away their valuables.
The EFCC said, in returning the case files, its lead counsel cited personal reasons.
The judge said she was minded to grant the bail in that condition following the passionate plea of Mr Suraj’s counsel, Muiz Banire (SAN).
The election is slated for July 16.
Mr Lawan was convicted of bribery for demanding gratification from Oil mogul Femi Otedola to extricate his company from fuel subsidy fraud.
The graft allegation, called the OPL scandal, was made against Shell and Eni acquisition of oil fields.
