(AP Photo/Carlos Osorio)

(AP) -- NASCAR is shelving the aero package used in the All-Star race at Charlotte Motor Speedway for the rest of the season.

The drafting package, which included aero ducts, a higher spoiler, restrictor plates and an older splitter in an attempt to promote passing and tight competition, will not be used again this year as the ruling body contemplates future changes. The current package will be used for the final 21 races of the season.

NASCAR Executive Vice President and Chief Racing Development Officer Steve O'Donnell tells NASCAR.com there's been "a lot of detailed conversations" and they came to the conclusion "the best thing to do was to put some additional effort into some potential tweaks and focus on 2019."

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