Carl Benjamin, who's standing for UKIP in the European elections on Thursday has been banned from speaking at a hustings event at Exeter Cathedral.
He was due to take part along with others standing in the South West of England on Wednesday but cathedral bosses have claimed his appearance could pose a risk to public order.
Benjamin hit the headlines when he joked about the rape of Labour MP Jess Phillips - something he refused to apologise for.
Recent public appearances have seen protests against him.
A spokesperson for Exeter Cathedral said: "Under the rules of the Electoral Commission, we may exclude candidates from a non-selective hustings for a number of reasons, including concerns about public order.
"In this case, the cathedral believes that the presence of one particular candidate may cause a risk to public order, given a number of incidents over the last few weeks."
The cathedral has invited UKIP to find a replacement.
UKIP says the decision is "outrageous" and an affront to democracy.
A full list on candidates standing in the South West elections can be found here.
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