Mass. Gen. Laws ch. 211, § 4: Removal of officers

Section 4. A majority of the justices may, if in their judgment the public good so requires, remove from office a clerk of the courts or of their own court; and if sufficient cause is shown therefor and it appears that the public good so requires, may, upon a complaint, upon a summary hearing or otherwise, remove a clerk of the superior court in Suffolk county, or of a district court, a county commissioner, a county treasurer, sheriff, register of probate or district attorney, or the recorder of the land court.