California rules of court allow for the removal of a Presiding Judge if the Presiding Judge is a disgrace to the relevant Superior court, disgraces the independent nature of the judiciary and does not promote public confidence in the judiciary.
A judge shall uphold the integrity and independence of the judiciary and not demean the judicial office or use a judicial office as a vendetta tool against any litigant. A judge shall avoid impropriety and the appearance of impropriety in all of the judge’s activities. A judge shall perform the duties of judicial office impartially, competently, and diligently.
A judge shall maintain professional competence in judicial administration, and shall cooperate with other judges and court officials in the administration of court business. A judge shall require* staff and court personnel under the judge’s direction and control to observe appropriate standards of conduct and to refrain from manifesting bias or prejudice based upon race, sex, gender, religion, national origin, ethnicity, disability, age, sexual orientation, marital status, socioeconomic status, or political affiliation in the performance of their official duties.
A judge shall diligently discharge the judge’s administrative responsibilities impartially,* on the basis of merit, without bias or prejudice, free of conflict of interest, and in a manner that promotes public confidence in the integrity of the judiciary
“Impartial,” “impartiality,” and “impartially” mean the absence of bias or prejudice in favor of, or against, particular parties or classes of parties, as well as the maintenance of an open mind in considering issues that may come before a judge. See Canons 1, 1 27 (Commentary), 2A, 2A (Commentary), 2B (Commentary), 2C (Commentary), 3, 3B(9) 28 (Commentary), 3B(10) (Commentary), 3B(12), 3B(12) (Commentary), 3C(1), 3C(5), 29 3E(4)(b), 3E(4)(c), 4A(1), 4A (Commentary), 4C(3)(b) (Commentary), 4C(3)(c) 30 (Commentary), 4D(1) (Commentary), 4D(6)(a) (Commentary), 4D(6)(b) (Commentary), 31 4D(6)(g) (Commentary), 4H (Commentary), 5, 5A, 5A (Commentary), 5B 32 (Commentary), 6D(2)(a), and 6D(3)(a)(vii).
The court may change the duration of the initial or additional term by local rule or policy so long as the initial term is not less than the duration specified in this rule. A presiding judge may be removed by a majority vote of the judges of the court.California rules of court Rule 10.602 (c). http://www.courts.ca.gov/cms/rules/index.cfm?title=ten&linkid=rule10_602
The public needs to have confidence in an impartial judiciary and the integrity of a superior court.