Tory MP Bob Stewart has surrendered the Conservative whip while he considers an appeal against his conviction for a racially-aggravated public order offence.
The Beckenham MP has informed Chief Whip Simon Hart, a government source told the PA news agency.
Stewart was found guilty of racially abusing an activist by telling him to "go back to Bahrain".
He showed "racial hostility" towards a protester during a demonstration outside a Foreign Office building, a court heard.
Labour and the Liberal Democrats had called for Prime Minister Rishi Sunak to act against the "totally unacceptable" behaviour of the 74-year-old Conservative backbencher.
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