THE PM thinks his Tory enemies will chicken out of changing party rules to oust him, friends say.
One key ally said any alteration would “hold a gun to the head” of every future Tory leader.
The source added: “They would never be able to get on with anything, as they would be constantly beholden to the whims of MPs.”
Boris Johnson survived a confidence vote in June and cannot be challenged again within a year.
The 1922 committee, which sets the rules, will hold elections for its organisers this month.
Some MPs want to dominate its executive to get the rules changed.
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But ex-Brexit Secretary David Davis, who called for the PM to go, believes it would be wrong, saying: “Rules are rules.”
He asked: “Do you want a leader, whoever it is, looking over his shoulder every month at this tax increase or whatever?”
William Wragg, who is a vice-chair of the 1922 executive, has also warned against changing the rule.
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