Leave No Traces (2021) (Polish: Zeby nie bylo sladow) is a Polish drama film directed by Jan P. Matuszynski. It was selected to compete for the Golden Lion at the 78th Venice International Film Festival. It was selected as the Polish entry for the Best International Feature Film at the 94th Academy Awards. The film is based on the book "Zeby nie bylo sladow" by Cezary Lazarewicz, which received the Nike Award in 2017.
Jurek, the only witness to the state-sanctioned murder of high school student Grzegorz Przemyk, is targeted by the government during the 1980s era of martial law in Poland.