Britt's death occurs in episode 18 of the 24-episode season.
"It felt like it was just being stuck in any old episode," she said. "It didn't feel like we were building up to anything."
Cherry will resume testifying later in the trial.
"Desperate Housewives," a glossy prime-time comedy/soap opera with an ensemble cast including Teri Hatcher and Eva Longoria, made a pop-culture and ratings splash when it premiered in 2004 but has seen its audience dwindle. It is in its last season.
ABC is owned by The Walt Disney Co.
Anthony McCartney can be reached at http://twitter.com/mccartneyAP
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