In a statement, the Ethics Committee said experts it interviewed determined that the information Nunes disclosed was not classified.
"Based solely on the conclusion of these classification experts that the information that Representative Nunes disclosed was not classified, the committee will take no further action and considers this matter closed," it states.
Nunes thanked the committee in a statement for "completely clearing me today of the cloud that was created by this investigation, and for determining that I committed no violation of anything -- no violation of House Rules, law, regulations, or any other standards of conduct."
--Tribune Washington Bureau
Assassins killed Panama Papers journalist with text message bomb
The assassins who killed Panama Papers journalist Daphne Caruana Galizia used a fatal text message sent from a boat out at sea, according to a report.
Authorities on the Mediterranean island of Malta arrested 10 people for the explosion last month that killed the lauded 53-year-old blogger known for her criticism of the government.
Three have now been charged, with a report in Malta Today this week revealing details of the investigation, including how they allegedly set off the powerful bomb on her car.
Brothers George and Alfred Degiorgio, 54 and 52, were joined by Vincent Muscat, 55, in the reported scheme, which involved an electronic device attached the explosive that was put on the vehicle the morning of the blast.
George Degeorgio, stationed on a boat out at sea, is alleged to have sent the text message to the device that triggered the killing after receiving a signal from his brother, Malta Today reported.