Days earlier than President Trump was inaugurated, the Client Monetary Safety Bureau sued Capital One, accusing it of using deceptive tactics that the bureau mentioned cheated clients out of $2 billion in curiosity funds on their financial savings accounts.

On Thursday, the bureau deserted that lawsuit and completely waived its authorized proper to ever once more pursue the declare.

Russell Vought, the director of the White Home funds workplace, has moved swiftly to shut the patron bureau’s places of work and decimate the agency since he took management this month as its appearing director. The bureau’s workers has been on administrative go away for weeks, barred from participating in just about any work, together with representing the bureau in dozens of ongoing authorized actions.

Mark Paoletta, introduced in by Mr. Vought because the company’s chief authorized officer, shortly ended a number of of these circumstances. On Thursday, the company additionally dropped litigation towards the Pennsylvania Increased Training Help Company for pupil mortgage servicing failures; towards Rocket Properties Actual Property for what the bureau referred to as a kickbacks scheme; towards Heights Finance for biking struggling debtors into successive loans that repeatedly incur refinancing charges; and towards Vanderbilt Mortgage and Finance, owned by Berkshire Hathaway, for making mortgage loans to consumers who it knew couldn’t afford to repay them.

Final week, the bureau abandoned a case against SoLo Funds, a web based lender, for camouflaging charges on its loans, costing shoppers greater than $20 million. Days later, Mr. Vought referred to as the corporate “modern” in a social media post.

“Extra to return,” he wrote. “The weaponization of ‘client safety’ should finish.”

Representatives of the patron bureau didn’t reply to requests for touch upon Thursday in regards to the dropped lawsuits.

“We welcome the C.F.P.B.’s resolution to dismiss this motion, which we strongly disputed,” a spokeswoman for Capital One mentioned in a press release.

The company’s case towards Capital One accused it of primarily pulling a bait-and-switch, attracting clients with adverts for its high-yield financial savings account, 360 Efficiency Financial savings, however steering a lot of them towards a virtually identically named product, 360 Financial savings, that paid as little as 0.30 p.c yearly, even because the Federal Reserve raised rates of interest above 5 p.c.

The dismissals got here as Jonathan McKernan, a former board member of the Federal Deposit Insurance coverage Company who’s Mr. Trump’s nominee to run the patron bureau, was testifying at his affirmation listening to earlier than the Senate Banking Committee. Senator Tina Smith of Minnesota, a Democrat, requested Mr. McKernan in regards to the dropped lawsuits.

“This makes me query who is absolutely going to be answerable for the C.F.P.B. if that is what’s occurring whereas your nomination is being thought-about,” she mentioned.

“If I’m confirmed, I’m the director,” Mr. McKernan responded.

“It’s not clear to me, as a result of in the intervening time that we’re sitting right here speaking about you taking over this accountability, Russell Vought or others are dismissing lawsuits that you simply simply instructed me you had been going to have the chance to assessment earlier than they had been dismissed,” Senator Smith countered.

Congress created the patron bureau in 2011 to watch client loans and set up safeguards to forestall a recurrence of the situations that led to the housing disaster. The bureau can’t be shuttered with out congressional motion, however Mr. Vought has halted practically all its work. He canceled the agency’s lease on its Washington headquarters; fired practically 200 of its 1,700 staff and telegraphed plans to put off practically the entire the rest; and canceled scores of contracts with outdoors distributors which might be important to the company’s every day operations.

Requested a number of instances at his affirmation listening to if the patron bureau ought to exist, Mr. McKernan repeatedly deflected. “That may be a query for our elected officers,” he mentioned.