(CNN) Sen. Elizabeth Warren said she will not solicit wealthy donors and hold high-dollar fundraisers if she wins the Democratic presidential nomination, in a shift from earlier this year when she said that fundraising strategy was just for the primary contest.

When asked in an interview with CBS News released Tuesday whether she'd "pivot" or be "forced" to have big-dollar fundraisers if she won the nomination, Warren responded: "No."

"I will not be forced to make changes in how I raise money," the Massachusetts Democrat said. "Look, for me this is pretty straight forward. Either you think democracy works and electing a president is all about going behind closed doors with bazillionaires and corporate executives and lobbyists and scooping up as much money as possible. Or you think it's about a grassroots, let's build this from the ground up."

She later added: "I'm not going to go do the big-dollar fundraisers. I'm just not going to do it."

Despite her success with small-dollar donors during the primary, declining to raise big sums could put Warren at a significant financial disadvantage in a general-election battle with President Donald Trump. Trump and the Republican National Committee raised $125 million during the July-to-September fundraising quarter -- fueled, in part, by six-figure donations collected at ritzy events. On a single day in August, for instance, Trump and the RNC raised $12 million at two fundraisers in the Hamptons.

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