The Haitian actress revealed the news on Wednesday (October 24) via her Twitter account, telling fans: "Just found out that I'm not being asked back on @franklinandbash #stunned."
Beauvais has been a series regular since season one of the TNT show, which also stars former Saved by the Bell star Mark Paul Gosselaar.
There is no word yet as to why Beauvais has been axed from the show, which returns next year.
In the meantime, TVLine reports that the actress will be appearing as a love interest for Dulé Hil in USA Network comedy Psych.
Beauvais will also be seen on the big screen opposite Denzel Washington in the upcoming drama Flight.