Tina Fey has applauded TV bosses for shelving episodes of her hit comedy 30 Rock which featured actors in "race-changing make-up".
NBC chiefs have pulled four episodes of 30 Rock from streaming and syndication following a request from Fey and her fellow creator Robert Carlock.
"As we strive to do the work and do better in regards to race in America, we believe that these episodes featuring actors in race-changing make-up are best taken out of circulation," Fey said in a statement.
"I understand now that 'intent' is not a free pass for white people to use these images. I apologise for pain they have caused. Going forward, no comedy-loving kid needs to stumble on these tropes and be stung by their ugliness. I thank NBCUniversal for honouring this request."
One of the four episodes pulled features guest star Jon Hamm donning blackface for a spoof of the racist radio and TV program Amos 'n' Andy.
30 Rock, which also starred Alec Baldwin, Tracy Morgan and Jane Krakowski, ran from 2006 until 2013.
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