WASHINGTON, Reuters Amazon and robot vacuum maker iRobot said Monday they would end their plans to merge in the face of opposition from EU and U.S. antitrust regulators.

iRobot announced a significant restructuring plan to reduce costs and said it would cut about 31 of its workforce, or 350 jobs. The company also said founder Colin Angle has stepped down as its CEO of the Roomba robot vacuum manufacturer.

Angle said given the current challenges, he and the board mutually decided that iRobot will be better served by a new leader with turnaround experience.

Amazon said its proposed 1.4 billion acquisition of iRobot had no path to regulatory approval in the European Union.

EU antitrust chief Margrethe Vestager said Monday its indepth investigation preliminarily showed the acquisition of iRobot would have enabled Amazon to foreclose iRobot39;s rivals by restricting or degrading access to Amazon stores.

Reuters reported earlier this month the deal would be blocked by European Commission antitrust regulators and that its main concerns were that Amazon could thwart iRobot rivals on its online marketplace, especially in France, Germany, Italy, and Spain.

Amazon could have delisted rival robot vacuum cleaners, reduce visibility of rivals or raised costs of iRobot39;s rivals to advertise and sell their robot vacuum cleaners on Amazon39;s marketplace, Vestager added.

Separately, the Federal Trade Commission was poised to reject Amazon39;s deal before the companies announced…