XXXTentacion's Domestic Violence Case Officially Dropped .

XXXTentacion's posthumously off the hook for an alleged beating of his ex-girlfriend. The rapper was awaiting trial for his domestic violence case involving Geneva Ayala -- who claimed he abused her when she was pregnant with his child.

The charges were dropped at a court hearing this week in Florida ... due to his death.

X was also facing multiple counts of witness tampering because prosecutors believed he coerced Geneva into not testifying against him.

As we reported ... Ayala was devastated by XXXTentacion's murder -- despite the abuse allegations -- saying, "everyone expecting me to be relieved or happy?!"