Comedians Amy Poehler and Nick Kroll reportedly have ended their two-year relationship.

Us Weekly said Wednesday that former "Parks and Recreation" star Poehler, 44, and "The League" cast member and former "Kroll Show" star Kroll, 37, broke up over scheduling issues that forced them to spend substantial time apart.

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Poehler -- who has 16 Emmy Award nominations as actress, writer, producer and host -- married comedian Will Arnett in August 2003. The couple had sons Archie, 6, and Abel, 5, before separating in 2012. Arnett filed for divorce on April 8, 2014. Early in her career, Poehler had dated Matt Besser, a founder of the improv-comedy group Upright Citizens Brigade.

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Us said she and Kroll began dating in May 2013. In her 2014 memoir, "Yes Please," Poehler wrote, "On one of our first nights together, I woke up apologizing for my snoring and he pulled out two earplugs he had worn to bed so he could hear what I was saying. It was one of the most romantic gestures I have ever seen."