In 1948, the club joined the newly established FD Julius Dermendzhiev and ceased its independent existence.

That season was a bit controversial as it saw two teams representing the identity of the original club playing in the top flight, the other being FC Pirin Blagoevgrad.

FC Pirin only played two matches before being disqualified due to financial problems.

PFC Pirin did manage to complete the season, but it finished 14th, again suffering relegation.

[2] According to the Bulgarian Football Union however, the spell i the A Group from 2007 until 2011 is under the records of PFC Pirin and not the unified team.