Streit will end his 12 year NHL career, Swiss Hockey News reports.
Streit reached an agreement to terminate his contract with Montreal on Monday.
Streit was placed on unconditional waivers for the purpose of terminating his contract, Elliotte Friedman of Sportsnet reports.
Streit won't report to Montreal's AHL affiliate and will instead take the next few days to evaluate his options, Renaud Lavoie of TVA Sports reports.
Streit was waived by the Canadiens on Thursday, Renaud Lavoie of TVA Sports reports.
Streit will be on the bench Sunday, when the Habs play the Rangers in New York, Luc Gelinas of RDS reports.
Streit secured a one-year contract with Montreal on Tuesday.
Streit was offered a one-year contract by the Canadiens, according to Marc de Foy of the Journal de Montreal.
Streit was not among the Penguins' eight protected skaters for the Vegas expansion draft.
Streit likely will make his 2017 postseason debut if fellow defenseman Justin Schultz's (undisclosed) injury turns out to be long term, the Pittsburgh Post-Gazette reports.