• A newly released regulatory filing by Apple offers new details on the layoffs at its self-driving car effort.
  • The company is cutting the jobs of dozens of engineers and project managers.
  • Those affected will officially be out of a job in mid April.

The layoffs at Apple’s self-driving car project mostly targeted engineers and their managers, a newly released filing shows.

Of the 190 people laid off by the iPhone maker, 33 were hardware engineers, 22 were software engineers, and 31 were product design engineers, according to a letter the company submitted to the California Employment Development Department. Another 46 people had managerial titles, including engineering project managers and software development managers, according to the letter.

“The layoff is expected to be permanent,” Pam Oyanagi, a senior employee relations consultant at Apple, said in the letter. “All affected employees have been notified of their separation dates and that their separation from employment will be permanent.”

The layoffs affected employees at company offices in Santa Clara and Sunnyvale, according to Oyanagi’s letter, which was dated February 14. The company planned to notify affected employees on February 15 and the layoffs are due to take effect on April 16, according to the letter.

Apple confirmed in January that it was planning to cut some 200 employees working on Project Titan, its autonomous vehicle effort. A company spokesman confirmed to the San Francisco Chronicle Wednesday that the layoffs detailed in its EDD letter were the same ones.

Read this: Apple laid off 200 people from its self-driving car unit Project Titan

Company representatives did not immediately respond to an email seeking confirmation or comment. A company representative had previously said that "some" affected employees would be moved to other parts of Apple.

The iPhone maker has reportedly been struggling to get up to speed in its self-driving car effort. Project Titan has reportedly undergone numerous management shakeups and changes of direction since Apple launched it around 2014.