Dunk, who joined the Stars in 2017, informed teammates today and left the squad to return home to Hobart.
"This was a difficult decision that will allow me to explore other playing opportunities and ultimately was in the best interests for me, my family and the club," Dunk said
"I have thoroughly enjoyed my time playing with the Melbourne Stars and wish them all the best for the remainder of this season and into the future."
Melbourne Stars General Manager Nick Cummins said; "Melbourne Stars would like to thank Ben for his service over the last three seasons. We wish him all the best in the future."