The columnist turned independent politician made her withdrawl official during an appearance on CNN's "Larry King Live."
Huffington has been blunt in her criticism of front-running candidates Schwarzenegger and Lt. Gov. Cruz Bustamante; however she remained in the single digits in recent polls.
Davis was in Los Angeles Tuesday to sign a package of bills reforming the state's workman's compensation system. The measures are expected to cut costs by more than $2 billion and provide rapid rate relief for the state's business community.