The army will continue to assist police for internal security, military spokesman Sumith Atapattu told Reuters.
The emergency gave police and military extensive powers to detain and interrogate suspects without court orders.
Almost all militants suspected to have links with the attackers have either been arrested or killed, Sirisena has previously said.
The Indian Ocean island is set to vote for a new president in an election due before Dec. 9, with political parties already having kicked off campaigning.
LEAVE A COMMENT Your email address will not be published. Required fields are marked*
National security will be top priority: Lanka candidate
Record number of candidates to contest Lanka’s presidential poll
Sri Lankan court dismisses challenge to presidential candidate Rajapaksa's citizenship
Opening of Sri Lanka's tallest tower marred by corruption allegation
Sri Lanka elephants run amok, 17 injured
Court blocks Australia from deporting Lankan family
Sri Lanka's new army chief dismisses war crimes claims
Lanka launches probe into elephant cruelty at parade
Ex-president's brother formally launches Sri Lanka leadership bid